Relevant bibliographies by topics / Plastic restoration

Academic literature on the topic 'Plastic restoration'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Plastic restoration"

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Stüwe, H. P. "Crystal Restoration during Severe Plastic Deformation." Materials Science Forum 503-504 (January 2006): 175–78. http://dx.doi.org/10.4028/www.scientific.net/msf.503-504.175.

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Severe plastic deformation of metals leads to changes in microstructure, which in turn are responsible for unusual bulk properties. There are two (interrelated) processes leading to change of microstructure: 1) the production of a very high number of dislocations, leading to a high dislocation density, 2) the “fragmentation” of the original crystal grains into much smaller structural elements leading to what is sometimes called “nanocrystalline” material. Under continued strain neither of these two processes will continue indefinitely. Instead, the microstructure will reach a steady state. Under certain conditions its development may even be reserved. This indicates the operation of restoration mechanisms such as dynamic recovery and recrystallisation. The actual state of art will be discussed on the basis of current experiments.
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Bared, Anthony. "Introducing Hair Transplantation into a Facial Plastic Surgery Practice." Facial Plastic Surgery 34, no. 04 (July 24, 2018): 384–88. http://dx.doi.org/10.1055/s-0038-1666785.

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AbstractHair restoration can be an integral addition to the facial plastic surgery practice. As surgeons dedicated to reconstructive and aesthetic surgery of the head and neck, hair restoration is a natural complement to a facial plastic surgeon's practice. This article presents the keys to adding and starting hair restoration to one's facial plastic surgery practice.
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Jalalabadi, Faryan, Shayan Izaddoost, and Edward Reece. "Creating Value in Plastic Surgery." Seminars in Plastic Surgery 32, no. 04 (October 22, 2018): 187–90. http://dx.doi.org/10.1055/s-0038-1672207.

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AbstractValue is defined as the worth, utility, or importance something holds. It can be derived from a variety of goods and services and is relative to a given industry or population. This article will discuss elements of plastic surgery that hold value as to how it pertains to the key players in a medical transaction. It will also discuss strategies for identifying and generating value. Roles of the different members in a plastic surgery transaction were analyzed, specifically the patient, the surgeon, and the facility. Different factors that generated value for all parties were identified throughout the literature. Factors identified that created value included the following: the surgeon's knowledge, experience, and decision-making ability; and technical skill/speed, restoration of life, restoration of form and function, restoration of psychological deficit, instant surgical results, convenience of access, outcomes, cost accounting, research, compassion, and bedside manner. Plastic surgeons can gear their practice to provide the system and their patients with services that hold value. We present several factors that can generate value for the patient, surgeon, and hospital system.
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Kuleshkov, Yuriy, Timofey Rudenko, Mikhail Krasota, Ruslan Osin, and Vasyl Reva. "Restoration of Piston Pins by Hot Plastic Deformation." Central Ukrainian Scientific Bulletin. Technical Sciences, no. 4(35) (2021): 54–62. http://dx.doi.org/10.32515/2664-262x.2021.4(35).54-62.

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The aim of the study is to create a theoretical basis that allows to calculate the forces of hot plastic deformation of the piston pin. One of the promising methods of restoring the piston fingers of the connecting rod - piston group of internal combustion engines is the method of hot plastic deformation. The process of restoring the piston fingers by hot plastic deformation can increase their strength and, in particular, fatigue strength. When developing the technological process of restoration of piston fingers using the method of hot plastic deformation by distributing it with a punch in the stamp, there is a problem of determining the effort required for high-quality deformation process. The article offers the theoretical basis for calculating the deformation forces. The result was obtained on the basis of the selected scheme of formation. As a result of the calculations we can conclude: 1. Restoration of the piston finger by hot plastic deformation allows to restore 95% of the fingers which have arrived in repair. 2. Piston fingers restored by hot plastic deformation in their technical parameters are not inferior to the new, achieved - "healing" of microcracks, creating internal compressive stresses, and grinding grain, which strengthens the material of the piston finger, in particular increasing its fatigue strength by 15… 20% . 3. As a result of theoretical studies of the resistance of the metal to plastic deformation were obtained dependences of the specific force on the punch depending on the ratio of the diameters of the workpiece.
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Jun, Sangho, Hyonseok Jang, Enji Cheon, MinJu Kim, Sungwon Ju, and Jinsoo Ahn. "The Stability of Temporary Restorations Fabricated on a Healing Cap for Immediate Loading: An In Vitro Study." Applied Sciences 8, no. 11 (November 15, 2018): 2261. http://dx.doi.org/10.3390/app8112261.

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The aim of this study was to analyze the load distribution of interim restorations using healing cap during immediate loading implant treatment in vitro. A total of 29 models with interim restorations which were fabricated with healing cap were selected. The pull-out strength was measured with a used healing cap and new healing cap. The compressive strength and sinking distance were also measured. The pull-out strength of interim restoration showed lower value (max. 29.8 N) compared to the natural bite force. The sinking amounts were larger than normal tooth sinking. The sinking amounts of interim restorations fabricated on a healing cap were roughly 3 times (0.3–0.5 mm under 450 N) those of normal teeth. The interim restoration on plastic healing cap would be useful for immediate loading implant treatment.
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Nitsch, Chelsea K., Linda J. Walters, Joshua S. Sacks, Paul E. Sacks, and Lisa G. Chambers. "Biodegradable Material for Oyster Reef Restoration: First-Year Performance and Biogeochemical Considerations in a Coastal Lagoon." Sustainability 13, no. 13 (July 2, 2021): 7415. http://dx.doi.org/10.3390/su13137415.

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Oyster reef restoration efforts increasingly consider not only oyster recruitment, but also the recovery of ecological functions and the prevention of deploying harmful plastics. This study investigated the efficacy of a biodegradable plastic-alternative, BESE-elements®, in supporting oyster reef restoration in east-central Florida (USA) with consideration for how this material also influences biogeochemistry. Four experiments (two laboratory, two field-based) were conducted to evaluate the ability of BESE to serve as a microbial substrate, release nutrients, support oyster recruitment and the development of sediment biogeochemical properties on restored reefs, and degrade under field conditions. The results indicated BESE is as successful as traditional plastic in supporting initial reef development. In the lab, BESE accelerated short-term (10-day) sediment respiration rates 14-fold and released dissolved organic carbon, soluble reactive phosphorus, and nitrate to the surface water (71,156, 1980, and 87% increase, respectively) relative to without BESE, but these effects did not translate into measurable changes in reef sediment nutrient pools under field conditions. BESE lost 7–12% mass in the first year, resulting in a half-life of 4.4–6.7 years. Restoration practitioners should evaluate the biogeochemical properties of biodegradable materials prior to large-scale deployment and consider the fate of the restoration effort once the material degrades.
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Caroli, Shobit, Damkerng Pathomvanich, Kulakarn Amonpattana, and Anand Kumar. "Current Status of Hair Restoration Surgery." International Surgery 96, no. 4 (October 1, 2011): 345–51. http://dx.doi.org/10.9738/cc31.1.

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Abstract Hair restoration has emerged as a subspecialty of aesthetic plastic surgery practiced by a wide range of doctors including plastic surgeons, general surgeons, dermatologists, and even general practitioners. As a current trend, most doctors practice “Ultrarefined follicular unit hair transplantation” in which the entire procedure is done precisely with minimal donor scar. In selected cases, Mega or even Giga sessions are now done with natural appearance and almost undetectable scar, in a single session with good density. This article is an attempt to review the history of hair restoration surgery, describe a novel technique currently practiced in our center, and summarize possible future innovations.
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ISMAGILOV, SH M., M. N. GILYALOV, L. I. SALIMOV, and R. M. NURSAITOVA. "Plastic of the nasal septum defect." Practical medicine 19, no. 4 (2021): 163–64. http://dx.doi.org/10.32000/2072-1757-2021-4-163-164.

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Perforation of the nasal septum (PNS) is a voluminous defect consisting of the total absence of all layers of its tissues. The nasal septum is a plate of cartilaginous, bone and connective tissue with varied physical characteristics; they differ in elasticity, resistance, and restoration after traumas. The article presents the results of the transnasal endoscopic method of plastic repair of nasal septum perforations.
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Walker, David. "The illusory plastic space of Hagia Sophia." Architectural Research Quarterly 25, no. 2 (June 2021): 145–76. http://dx.doi.org/10.1017/s1359135521000269.

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The purpose of this article is to celebrate the exquisite moments when enclosed space at Hagia Sophia attains an illusory plastic state. The subject is the secularised amalgamation of the Byzantine cathedral of Hagia Sophia and the Turkish mosque of Ayasofya, prior to the restoration of the mosque in 2020. The article is intended as a visual study of intrinsic visual qualities, without the use of seductive imagery.
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Husrin, S., H. Hidayat, A. Rahmadya, S. Aisyah, R. Hurley, H. F. V. Braaten, and M. Olsen. "Riverine Plastic Monitoring during the Rainy Season in the Citarum Estuary of Muara Gembong." IOP Conference Series: Earth and Environmental Science 950, no. 1 (January 1, 2022): 012059. http://dx.doi.org/10.1088/1755-1315/950/1/012059.

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Abstract The restoration effort to clean up the river, known as “Citarum Harum” requires monitoring to estimate both the composition and the volumes of plastic pollution. The objective of the monitoring is to obtain a scientific baseline of marine plastics from Citarum River as a function of other influencing aspects. A static net trawl (60 m x 10 m, mesh size 2.5 cm, and about 1 meter submerged) was installed under the New Muara Gembong Bridge for eight consecutive days in March and April 2021 or during the rainy season. The trapped debris was collected manually into boxes using two boats and simple tools. After the drying, weighting, classification processes and by excluding natural organics (leaves/branches), plastics contributed as the most dominant for both abundance (83%) and weight (31%) followed by textiles, hazardous materials, construction materials and rubbers. The hydrological conditions as well as the tides were also observed to be one of dominant parameters. The quantification of macro-plastic litter transport from River Citarum into the Java Sea is also an aim for the ASEANO project (ASEAN – Norway cooperation project on local capacity building for reducing plastic pollution in the ASEAN region).
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Dissertations / Theses on the topic "Plastic restoration"

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Mafamane, Mariem, О. Г. Аврунін, and M. Y. Tymkovych. "Patient-Specific Methods of Designing for Nasal Prosthetics." Thesis, Кременчуцький авіаційний коледж, 2018. http://openarchive.nure.ua/handle/document/5490.

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To create patient-specific implant it should use some medical imaging techniques, which represent anatomical structures. The implant design techniques are based on a patient's medical data especially imaging data such as X-Ray, CT, MRI, laser scanning,
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Pereira, Daniela da Silva. "Efeito dos tratos culturais e qualidade de mudas na restauração florestal de matas ciliares do Rio Tietê em Borborema, SP." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-07122012-101129/.

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A restauração florestal em matas ciliares é de suma importância para os processos de recuperação de áreas degradadas e conectividade da flora e fauna. O presente experimento foi instalado às margens do reservatório de Borborema - SP, com o objetivo de averiguar o acúmulo de biomassa de trinta espécies arbóreas nativas frente a dois sistemas silviculturais e dois tipos de recipientes de produção de mudas. O ensaio foi instalado em duas áreas com umidade de solo distintas, sendo uma mais seca, sem encharcamento mesmo em períodos chuvosos, outra mais úmida, com encharcamento. Os sistemas de manejo testados foram: i) convencional e operacionalmente utilizado pela empresa AES-Tietê; e ii) potencial, com maior nutrição e maior controle de mato-competição. Os recipientes de produção de mudas testados foram o tubete pequeno, com 56 cm3; e tubete grande com 290 cm3. O estudo foi instalado em fatorial 2x2, com os fatores Manejo e Tubete e dois níveis de cada fator (potencial e convencional, e tubete pequeno e grande) com quatro repetições na área seca. Não ocorreu interação entre os fatores estudados. Na área seca, o tratamento que utilizou tubete grande e manejo potencial apresentou diâmetro e altura 30% superiores que o tratamento que utilizou tubete pequeno e manejo convencional, e uma superioridade em 70% no Índice de Área Foliar e 62% no acúmulo de biomassa aos dois anos. O tubete grande apresentou sobrevivência de plantio 13% superior ao tubete pequeno e ganho em biomassa média das mudas de 43%. O manejo potencial apresentou área basal superior ao manejo convencional (6,23 versus 4,09m2ha-1) e IAF superior (1,28 versus 0,58 m2m- 2). Na área úmida, as zonas de alagamento baixo, médio e total apresentaram área basal decrescentes de 4,4 m2 ha-1, 2,6 m2 ha-1 e 0,9 m2 ha-1. Com esses resultados é possível concluir que as espécies nativas possuem capacidade de melhor desempenho quando produzidas em tubetes maiores e sob sistema silvicultural mais intensivo e que o alagamento (falta de aeração da raiz) é um estresse ambiental que requer melhor compreensão por ser altamente limitante à restauração com as espécies tradicionais.
Riparian forest restoration is extremely important for the processes of degraded areas restoration and connectivity of flora and fauna. This study was established on the Reservoirs of the Borborema Lake - SP, with the purpose to determine the biomass accumulation of thirty tree species native to two silvicultural systems and two sizes of hard plastic tubes for seedling production. This trial was conducted in two areas with different soil moisture, a more drought, without flooding even during rainy periods, and another more humid, with frequent flooding. The following silvicultural systems were tested: i) traditional, one who is operationally used by the AES Tiete company; ii) potential, with greater nutrition and greater weed control. The containers for seedlings production tested were small hard plastic tubes with 56 cm3, and large hard plastic tubes with 290 cm3. The study was carried out in a factorial 22, with factors such as silvicultural systems and sizes of recipients, being two levels of each factor (potential, traditional, small and large hard plastic tubes) and four replications in a dry area. There was no interaction between the factors studied. In dry area the treatment that used large hard plastic tubes and potential silvicultural system showed diameter and height 30% higher than the treatment that used small hard plastic tubes and traditional silvicultural system, and also a superiority of 70% for the Leaf Area Index and 62% for biomass to two years. The seedlings produced in large hard plastic tubes showed survival at planting 13% higher than those grown in small hard plastic tubes. Was also observed that the mean biomass of seedlings was 43% higher for treatment of large tubes. Potential silvicultural system showed basal area greater than the traditional silvicultural system (6.23 vs. 4.09 m2 ha-1) and higher LAI (1.28 vs. 0.58 m2 m-2). In the wetlands, the zones of low, medium and high flooding frequency showed decreasing basal area of 4.4 m2 ha-1, 2.6 m2 ha-1 and 0.9 m2 ha-1. With these results we can conclude that native species have a higher performance when produced in large hard plastic tubes and under more intensive silvicultural system and flooding (lack of aeration of the root) is an environmental stress that requires better understanding because it is factor highly limiting for the restoration with the traditional species.
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Boivin, Patrice. "Plasticité de GaAs en fonction du dopage électronique." Poitiers, 1988. http://www.theses.fr/1988POIT2312.

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Etude entre 650 et 150**(o)c. Proposition d'un modele dans lequel la dyssimetrie de mobilite des partielles constituant une dislocation vis favorise non seulement la nucleation de fautes etendues, mais aussi la restauration de la sous-structure par glissement devie sous forte contrainte
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Reid, Bronwyn. "Cast architectural ornament : plaster and compo." Virtual Press, 2001. http://liblink.bsu.edu/uhtbin/catkey/1214384.

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Plaster and compo are both materials used for cast architectural ornamentation. Preserving, repairing, and in-kind replacing cast architectural ornamentation is necessary to maintain the integrity of a space. Plaster and compo are visually and texturally very similar materials. Compo was invented to be a less costly substitute for plaster. Whereas the two materials are easily mistaken for one another, they are chemically quite different. The ingredients and methods used to create the two separate materials exemplify this difference. Understanding the differences is key to successfully preserving the ornaments and, thus, the spaces in which they are located. Repairing plaster with compo or compo with plaster can lead to the destruction of cast architectural ornaments. Furthermore, chemical paint removers that are safe to use on plaster can deteriorate compo. It is necessary to thoroughly understand the nature of the materials so that informed decisions can be made about their treatments. The study addresses the similarities and differences, the maintenance, deterioration, repair, and replacement of the two materials.
Department of Architecture
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Hicks, Molly Erin. "REDUCE, REUSE, RECYCLE & RETHINK: ASSESSING THE SUSTAINABLE AND CREATIVE DEVELOPMENT OF PARK FURNISHINGS FOR THE MILL CREEK GREENWAY TRAIL, CINCINNATI, OHIO." Oxford, Ohio : Miami University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1196967112.

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A practicum report for the degree of Master of Environmental Science, Institute of Environmental Sciences, Miami University, 2007.
Title from first page of PDF document. Includes bibliographical references (p. 63-73).
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McAndrew, Robert. "Replacement of plastic restorations in clinical dental practice and the effect that a simple training programme can have on the decision making process." Thesis, Cardiff University, 2008. http://orca.cf.ac.uk/55818/.

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AIM: To investigate how a simple training programme affected restoration replacement decision making by a group of sixteen dentists. METHOD: This project had two distinct phases, one involving a simulated clinical examination of 111 restorations and the other a clinical examination of 66 restorations. On both occasions, two experienced clinicians using the United States Public Health Service (USPHS) criteria determined the restorative status of the restorations these evaluations determined the gold standard status with respect to restoration integrity for the restorations. All evaluations were completed under strictly controlled clinical conditions with standard equipment and lighting provided. After completing the simulated clinical phase half of the sixteen dentists were randomly assigned to undertake restoration evaluation training (test group). The results of the simulated clinical and clinical examinations between the test and the non-trained group (control group) were compared by the non-parametric statistical analysis of a number of parameters i.e. the number of restorations scheduled for replacement, the time taken to complete examinations, sensitivity, specificity, positive predictive value, negative predictive value, Dice's coincidence index and Cohen's Kappa statistic. RESULTS: There were no statistical differences between the groups at baseline with test and control groups scheduling a similar number of restorations for replacement (36.25 7.78 and 34.75 7.93). After training the test group took longer to complete a repeat simulated clinical examination 59.2515.06 minutes, when this was compared with that of the initial examination, 39.1318.54 minutes. However, there were no other statistically significant differences when baseline measurements were compared. The clinical phase highlighted a number of statistically significant results when the test and the control group were compared the number of restorations scheduled for replacement (6.00 3.01 and 9.7113.15), examination time (27.8613.45 and 36.7113.74) and agreement with the gold standard for restoration replacement (0.8510.27 and 0.79 0.06). CONCLUSION: Within the limits of this study, it was concluded that examiner training can have a significant effect on plastic restoration replacement decision making by dentists.
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Ferrari, Alessandra. "Conservação e restauro de pintura: um mural de Carlos Páez Vilaró de 1974." Universidade Presbiteriana Mackenzie, 2006. http://tede.mackenzie.br/jspui/handle/tede/2737.

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Made available in DSpace on 2016-04-18T21:32:02Z (GMT). No. of bitstreams: 3 Alessandra Ferrari1.pdf: 842585 bytes, checksum: 7d1b75a548de27393c8bef0c7d65a862 (MD5) Alessandra Ferrari2.pdf: 376944 bytes, checksum: b908f74a72e594fe571ac830cf17beeb (MD5) Alessandra Ferrari3.pdf: 680077 bytes, checksum: 03328ef09daf62c0374f8928bf4b368b (MD5) Previous issue date: 2006-08-10
The conservation and restoration of mural painting conceived in this investigation from Carlos Paez Vilaró s painting restoration study, suggests reflections on intervention criteria and methods. The cutting out of the research tried to understand not just the theoretical material and multidisciplinary investigation, but the complexity inherent to the restoration of the artistic object in what refers to the challenges assumed by the restorer and all those that that have the custody of cultural assets. This research has been guided, in order to consolidate the relevant criteria, by selecting a mural painting offering discussions around the complexity of its implications in the choice of intervention criteria. Restoration was carried successfully, being subsequently redone under request of the painting owner. Such an event opened the discussion as for the criteria and concepts of restoration.
A conservação e o restauro da pintura mural concebida nesta investigação a partir do estudo do restauro da pintura de Carlos Paez Vilaró, sugere reflexões sobre critérios e métodos de intervenção. O recorte da pesquisa procurou compreender não apenas a investigação material e teórica multidisciplinar, mas a complexidade inerente à restauração do objeto artístico no que se refere aos desafios por parte do restaurador e de todos aqueles que possuem a custódia de bens culturais. Esta pesquisa orientou-se, a fim de consolidar os critérios pertinentes, selecionando uma pintura mural que oferecesse discussões em torno da complexidade de suas implicações na escolha dos critérios de intervenção. O restauro foi realizado com sucesso, sendo posteriormente refeito a pedido do proprietário da pintura. Tal acontecimento abriu a discussão a respeito dos critérios e conceitos de restauro.
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Murayama, Eduardo Tsutomu [UNESP]. "A pintura de Jesuíno do Monte Carmelo na Igreja da Ordem Terceira do Carmo em São Paulo." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/86902.

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Universidade Estadual Paulista (UNESP)
Esta pesquisa tem como objetivo descrever a redescoberta e o processo de restauro das pinturas inéditas do artista santista Jesuíno Francisco de Paula Gusmão (1764- 1819), mais conhecido como padre Jesuíno do Monte Carmelo, na Igreja da Ordem Terceira do Carmo de São Paulo. O resgate da chamada pintura invisível do padre artista só foi possível graças às suspeitas levantadas pelo crítico de arte Mário de Andrade (1893-1945). Estudando a pintura do artista santista, na década de 1940, o modernista desconfiou que o grosseiro painel central visível no teto da nave do templo dos terceiros carmelitas da capital – e que viria ainda a sofrer inúmeras interferências e retoques nas décadas posteriores – estava deslocado entre os elementos arquitetônicos e não condizia com os aspectos plásticos e estilísticos de Jesuíno, concluindo que a composição original do padre artista ainda poderia existir intacta, porém sob camadas de repintura. Com o tombamento da obra pictórica paulistana de Jesuíno pelo IPHAN, iniciaram-se os procedimentos de averiguação da teoria da pintura invisível, que resultou na recuperação de uma esplêndida pintura representando Nossa Senhora do Carmo cercada de anjos e querubins, observada com devoção pelos profetas Elias e Eliseu, e por uma corte de santos, beatos e mártires carmelitas. Análises e comparações com outras obras do artista santista justificam porque esta pintura pode vir a tomar o posto de melhor obra do padre Jesuíno, gerando, desse modo, uma revisão sobre a história da pintura colonial paulista
This research aims to describe the process of rediscovery and restoration of new paintings of Santos-born artist Jesuíno Francisco de Paula Gusmão (1764-1819), better known as Priest Jesuíno do Monte Carmelo, at the Church of the Third Order do Carmo of São Paulo. The rescue of the called invisible paint from this artist priest was only possible due to the suspicions raised by the art critic Mário de Andrade (1893-1945). Studying the Santos artist's painting, in the 1940s, the modernist writer suspected that the coarse central panel visible on the ceiling of the nave of the Carmelites Thirds Temple in the capital – which would still suffering from numerous interferences and touches in later decades – was displaced between architectural elements and did not fit the stylistic aspects and plastic of Jesuíno, concluding that the composition of the original artist priest could still be intact but under layers of repainting. With the toppling of Jesuíno’s paintings made in São Paulo by IPHAN, the procedures for reviewing the theory of invisible paint started and resulted in the recovery of a magnificent painting of Our Lady of Mount Carmel surrounded by angels and cherubs, devoutly observed by the prophets Elijah and Elisha, and by a court of Carmelite saints and beatified martyrs. Reviews and comparisons with other works by this Santos artist justify why this painting might take the place of the Priest Jesuíno best work, generating thus a review of the history of São Paulo colonial painting
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Mih, ChunChing, and 宓群慶. "Restoration of fiber reinforced plastic sculpture - study of head." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/16696220896663933881.

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碩士
明志科技大學
視覺傳達設計研究所
101
ABSTRACT Being a modern product, Fiber reinforced plastic (FRP) sculpture is not as valuable as antique, but it’s still meaningful and valuable to collectors from the perspective of artistic creation. Under the mature multimedia creation environment of today, such creations will gradually increase. Accordingly, the demands for restoration when damage incurred are also required. Due to the special material of fiber reinforced plastic (FRP) sculpture, it can be divided into surface oil paint restoration which can refer to European oil painting restoration method, and the bottom fiber reinforced plastic (FRP) restoration which has little research data available. So the physical property, application and restoration method of this material will be studied in an entire chapter so as to build a correct concept of restoration and accumulate material knowledge and technique, which is the focus of the research. In addition to the fiber reinforced plastic (FRP) applied to sculptures of pure artistic creation in recent years due to its superior material features, it is also widely used in indoor and outdoor decorations and industrial components because of the simulation and tension stress of resin. Following the antique restoration methods in advanced countries, Council for Cultural Affairs of Executive Yuan, stipulated that polymer composites like FRP should be technically restored and strengthened in Cultural Heritage Preservation Act after Jiji Earthquake. This research collects scattered anecdotal data on fiber reinforced plastic (FRP) sculpture processing operation techniques, to test, verify and record the indeterminate data and make simple charts. The research result can be applied to multimedia creation and used as a reference for fiber reinforced plastic (FRP) creation restoration.
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Books on the topic "Plastic restoration"

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Divaris, Marc. A practical guide to hair restoration surgery. Marseille: Solal, 1998.

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Albus, Stefan. Plastic art: A precarious success story. Cologne: AXA Art, 2007.

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Plastics: Collecting and conserving. Edinburgh: NMS Pub., 1999.

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Flaharty, David. Preserving historic ornamental plaster. Washington, D.C: U.S. Dept. of the Interior, National Park Service, Cultural Resources/Preservation Assistance, 1990.

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Gebauer, Thomas. Soziale Plastik Biegeneck: Als sich die Zentrifuge im Haifischmaul drehte. Borken: Foto und Grafik, Gebauer Verlag, 1993.

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MacDonald, Marylee. Repairing historic flat plaster: Walls and ceilings. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, Preservation Assistance Division, Technical Preservation Services, 1989.

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Paoli, Luigi De. Ikaros: Omaggio a Luigi De Paoli (1857- 1947). Pordenone: Comune di Pordenone, 2010.

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Colloque "Le plâtre, l'art et la matière" (2000 Cergy-Pontoise, France). Le plâtre : l'art et la matière. Paris: Créaphis, 2001.

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Istituto per l'arte e il restauro "Palazzo Spinelli.", ed. Glossario delle malte e degli intonaci da rivestimento, decorazione plastica e supporto pittorico. Firenze: Edizioni Palazzo Spinelli, 2001.

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Stone and plaster-work. London: Ward Lock, 1997.

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Book chapters on the topic "Plastic restoration"

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Arnold, Michelle G., and Scott R. Owen. "Hair Restoration." In Facial Plastic and Reconstructive Surgery, 337–50. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45920-8_23.

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Arnold, Michelle G. "Hair Restoration." In Facial Plastic and Reconstructive Surgery, 295–305. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-18035-9_24.

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Schauer, A. "Biocompatibility of Plastic Materials." In Speech Restoration Via Voice Prostheses, 74–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71415-3_16.

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Stüwe, H. P. "Crystal Restoration during Severe Plastic Deformation." In Materials Science Forum, 175–78. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-985-7.175.

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Baroud, Joe, and Salim C. Saba. "Hair Restoration Surgery: Follicular Unit Grafting." In Operative Dictations in Plastic and Reconstructive Surgery, 67–71. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40631-2_16.

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Grishkevich, Viktor M., and Max Grishkevich. "Restoration of the Shape, Location, and Skin of Severely Burn-Damaged Breast." In Plastic and Reconstructive Surgery of Burns, 137–46. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78714-5_15.

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Dziki, Jenna L., Jonas Eriksson, and Stephen F. Badylak. "Skeletal Muscle Restoration Following Volumetric Muscle Loss: The Therapeutic Effects of a Biologic Surgical Mesh." In Regenerative Medicine and Plastic Surgery, 347–53. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19962-3_24.

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Jackson, Oksana A., David W. Low, Phuong D. Nguyen, and Kenneth Kent. "Advanced Plastic Surgical Techniques: Facial Prosthetic Considerations, Periorbital Free Flaps, Reanimation, and Corneal Sensory Restoration." In Pediatric Oculoplastic Surgery, 145–67. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60814-3_8.

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Friedrich, Daniel. "From Building to : A Model-Theoretical Analysis on Bio-based Plastics for the." In Future City, 295–307. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71819-0_16.

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AbstractWith the introduction of the Construction Products Directive EU305:2011, architects are more than ever required to select products with a high proportion of renewable raw materials. Only then will it be possible to internalise, hence to compensate, for environmental damage caused by technologies that do not conserve resources and are energy-intensive. Using a novel bio-based wood-plastic composite (WPC) as an example, this chapter shows that internalisation can be successful if conventional fossil plastics are “greened” by adding renewable biomass. The results show that this is only the case if the bio-content is not too high but exceeds a minimum value. The degree of sustainability depends on the assessment of the extent of damage to the environment and society. The optimal level of internalisation can then become allocatively efficient, meaning that the costs of avoiding plastics do not increase more than the damage costs decrease. The findings demonstrate that environmental protection can also be economically meaningful and potentially contributes to increasing social welfare in society. A paradigm shift towards restorative economy in construction should take this principle into account.
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Caldas, G. A. R., Jorge Belinha, J. G. Mendes, and Renato Natal Jorge. "Elasto-plastic analysis of dental restorations using meshless methods." In Advances and Current Trends in Biomechanics, 340–44. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003217152-75.

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Conference papers on the topic "Plastic restoration"

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Hunsucker, Kelli, Afanasy Melikov, Morgan Gilligan, Harrison Gardner, Robert Weaver, and Geoffrey Swain. "Mineral Accretion: An Environmentally Alternative to Plastic for Oyster Restoration." In OCEANS 2019 MTS/IEEE SEATTLE. IEEE, 2019. http://dx.doi.org/10.23919/oceans40490.2019.8962694.

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Fukasawa, Tsuyoshi, Akihiro Kinoshita, and Satoshi Fujita. "Study on Characteristics and Effects of Seismic Isolation System of Vertically Utilized Coiled Springs." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26483.

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In recent years many structures employing seismic isolation systems have been constructed in Japan, the practical concern on the cost of seismic isolation systems has heightened. This paper describes the research and development of a new seismic isolation system using vertically utilized elastic and elasto-plastic coiled spring, and discusses analytical model for coiled spring. The basic concept of the earthquake isolation system that was constituted of bearing, restoration and damping elements is to realize cost effective design without any reduction in isolation performance. The restoration and damping elements of the isolation system were constituted by two types of coiled springs. The horizontal static tests were performed to evaluate the restoring characteristic and the mechanical model of elastic and elasto-plastic coiled spring. The restoration element of elastic coiled springs was made of using the two types of materials JIS SUP9 steel and JIS SUS 304 stainless steel. The elasto-plastic coiled springs of damping element also was made of using the two types of JIS SS 400 steel and JIS SWRM 17 steel. The characteristics of these coiled springs such as transverse stiffness and hysteretic damping and the validity of the analytical model were clarified through the static tests. Furthermore the response analyses based on the restoring force characteristics of experimental results were carried out to assess the isolation performance of this system.
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Panicker, Philip K., and Amani Magid. "Microwave Plasma Gasification for the Restoration of Urban Rivers and Lakes, and the Elimination of Oceanic Garbage Patches." In ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/es2016-59632.

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This review paper describes techniques proposed for applying microwave-induced plasma gasification (MIPG) for cleaning rivers, lakes and oceans of synthetic and organic waste pollutants by converting the waste materials into energy and useful raw materials. Rivers close to urban centers tend to get filled with man-made waste materials, such as plastics and paper, gradually forming floating masses that further trap biological materials and animals. In addition, sewage from residences and industries, as well as rainwater runoff pour into rivers and lakes carrying solid wastes into the water bodies. As a result, the water surfaces get covered with a stagnant, thick layer of synthetic and biological refuse which kill the fish, harm animals and birds, and breed disease-carrying vectors. Such destruction of water bodies is especially common in developing countries which lack the technology or the means to clean up the rivers. A terrible consequence of plastic and synthetic waste being dumped irresponsibly into the oceans is the presence of several large floating masses of garbage in the worlds’ oceans, formed by the action of gyres, or circulating ocean currents. In the Pacific Ocean, there are numerous debris fields that have been labeled the Great Pacific Garbage Patch. These patches contain whole plastic litters as well as smaller pieces of plastic, called microplastics, which are tiny fragments that were broken down by the action of waves. These waste products are ingested by animals, birds and fishes, causing death or harm. Some of the waste get washed ashore on beaches along with dead marine life. The best solution for eliminating all of the above waste management problems is by the application of MIPG systems to convert solid waste materials and contaminated water into syngas, organic fuels and raw materials. MIPG is the most efficient form of plasma gasification, which is able to process the most widest range of waste materials, while consuming only about a quarter of the energy released from the feedstock. MIPG systems can be scaled in size, power rating and waste-treatment capacity to match financial needs and waste processing requirements. MIPG systems can be set up in urban locations and on the shores of the waterbody, to filter and remove debris and contaminants and clean the water, while generating electric power to feed into the grid, and fuel or raw materials for industrial use. For eliminating the pelagic debris fields, the proposed design is to have ships fitted with waste collector and filtration systems that feeds the collected waste materials into a MIPG reactor, which converts the carbonaceous materials into syngas (H2 + CO). Some of the syngas made will be used to produce the electric power needed for running the plasma generator and onboard systems, while the remainder can be converted into methanol and other useful products through the Fischer-Tropsch process. This paper qualitatively describes the implementation schemes for the above processes, wherein MIPG technology will be used to clean up major waste problems affecting the earth’s water bodies and to convert the waste into energy and raw materials in a sustainable and environmentally friendly manner, while reducing the dependence on fossil fuels and the release of carbon dioxide and methane into the atmosphere.
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Lefranc, M., A. Mohamad Hussein, C. P. Tan, X. Legrand, B. C. Lee, L. Maerten, D. Press, and L. Anis. "3D Structural restoration and Geomechanical Forward Modeling in a visco-plastic medium to natural fracture prediction in a Malay producing field, offshore Malaysia." In Offshore Technology Conference-Asia. Offshore Technology Conference, 2014. http://dx.doi.org/10.4043/24753-ms.

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Montalto, Salvatore, Paolo Cavassi, Luca Ponteggia, and Michele Romano. "Experience on Application of Non-Metallic Materials for Offshore Facilities." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2022. http://dx.doi.org/10.2118/200280-ms.

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Abstract The scope of this paper is to share technical knowledge and experience gained on the use of non-metallic materials in off-shore environments. The proposed applications lead to the highest benefit level in terms of maintenance interventions as well as to weaknesses jeopardizing the productivity. In particular, we evaluated the use of:Glass-reinforced composite material in offshore platform boat landing and stairs, instead of galvanized grating;Glass-reinforced epoxy pipe for offshore firefighting network;Plastic reinforcement sleeve on the protection of tube bundle heat exchanger welding. Analysis was carried out on obtained results. The approach took into consideration the technical results after long period of installation in a boat landing and firefighting network offshore with averse environmental conditions, while for the plastic sleeve it was a proactive action against failure and the relevant study of consequences in case of removal. Present paper is not an innovative implementation but it is born from the daily offshore plant observation with the particular aim to improve the asset integrity trying to guarantee the best performance, reducing maintenance and restoration cost. Positive and negative results on the above applications will be mentioned to permit as final conclusion a proper material selection and design accuracy for future application.
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Risyad, M. "3D Natural Fracture Prediction Using Integrated Method of Structural Restoration and Geomechanical Forward Modelling: Case Study in South Sumatra Basin, Indonesia." In Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-g-150.

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Naturally fractured reservoir has important role in oil and gas development in onshore South Sumatra Basin Indonesia. There are several fields in Indonesia have hydrocarbon (oil or gas) potential in this type of reservoir. One of the fields is Northeast Betara operated by PetroChina International Jabung Ltd. The Northeast Betara structure consists of a basement high with tertiary burial that has been inverted due to compressive stresses during Late Miocene – Pliocene. The company plans to develop Lower Talang Akar Formation (LTAF) conglomeratic sand reservoir of Northeast Betara field which is believed to be naturally fractured. Well-B was drilled targeting conglomerate and fractured basement reservoir in the field. Unfortunately, even the Well-B intersected more fractures, the hydrocarbon test result was under expectation compared to previous Well-A 5 Km away, which encountered similar reservoir but shows better production test. Due to productivity discrepancy, this study is conducted to answer this issue by predicting natural fracture distribution across the field. An integrated structural restoration and geomechanical forward modelling is carried out thoroughly in order to better target the next well intersecting productive fractures. Structural restoration with finite element method provides layer geometries from initial deposition to the present day enabling explicit coupling with Stress Simulation engine at each geological time. Forward modelling could then be achieved by applying strain boundary conditions at the base of the model using known differential vertical displacement from one geological time to the next and lateral strain at the vertical boundaries of the model. Geomechanical forward modelling (GFM) simulates the evolution of structures of a geomechanical model from deposition up to present day and captures the geomechanical details with geological time. The main result of the study is plastic shear strains across the field, which subsequently converted into fracture density with orientation and inclination and can delineate the location of productive fractures. The fracture planes are defined by orientation and inclination matched over >85% of the observed fractures in the wells. Simulation results suggest that most fractures in the location of Well-A in the field are critically stressed and therefore expected to have better hydrocarbon production potential. This paper showcases approach of advanced geomechanical technique to predict 3D natural fracture distribution using existing data. The result will be used as reference to determine further development strategy.
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Dumitrescu, Andrei, and Alin Diniţă. "Efficiency Assessment of the Composite Materials Repair Systems Intended for Corrosion Damaged Pipelines." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96279.

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Abstract This paper presents the results of the research work carried out by the authors in order to evaluate the efficiency of the composite material wraps/sleeves (made of a polymeric matrix and reinforcing fabric) used to repair steel pipelines carrying hydrocarbons upon which local metal loss defects (generated by corrosion and/or erosion processes) have been detected. The pipeline repair technologies consisting of the application of composite material wraps are perceived as being advantageous alternative solutions for substituting the conventional technologies, which require welding operations to be performed in the pipe areas with defects. The efficiency of the composite repair systems has been investigated by assessing the reinforcement effects (the restoration level of the damaged pipe mechanical strength) generated by the applied composite wraps as a function of their geometry and mechanical properties. To that purpose, numerical models based on finite elements have been developed and certified by comparing them with the results of several experimental programs previously performed by the authors. Finite elements simulations have also been conducted in the plastic region, taking into account material non-linearity. The calculation methods proposed in literature (among which a method previously developed by the authors) to define the composite wrap dimensions (thickness and length) for a given pipe have also been investigated and compared to our numerical results in order to select the most adequate solution for the design of the composite repair system. The optimal values for the mechanical properties of the composite material used by the repair system have also been defined.
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Bedoya, Julian, Chris Alexander, and Tommy Precht. "Repair of High Pressure Pipe Fittings Using Composite Materials." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31537.

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Pipelines and piping frequently suffer from metal loss that threatens their integrity and serviceability. Multiple repair options exist for straight sections of pipe; however, repair options for pipe fittings such as elbows and tees are typically limited to composite repair systems, or section replacement. The latter method can be costly as it often requires at least a partial shut down of the pipeline while the section is replaced. A composite repair system however, can be performed in place during operations at a greatly reduced cost. The main challenge with the composite repair system is the required demonstrated ability to restore integrity and serviceability to the same level as the original metal system. Over the past 10 years, Stress Engineering Services, Inc. has been greatly involved in evaluating the ability of many composite repair systems to restore the original pipeline structural integrity by testing methods and analysis methods. The current paper investigated the ability of the Armor Plate Pipe Wrap (APPW) system to restore the burst pressure of tee and elbow pipe fittings with 60% metal loss to that of a nominal thickness system. In this program four full scale burst tests were conducted: on 12-inch nominal pipe size (NPS) Y52 tee and elbow pipe fittings. All four fittings had 60% metal loss; two were repaired with APPW, and the other two were not repaired. Prior to burst testing, elastic plastic finite element analyses (FEA) were performed to adequately size the repair thickness. The results of the FEA calculations predicted the restoration of the burst pressures of the repaired fittings up to a 1.6% agreement with the actual burst pressure results. Furthermore, the burst pressure of the 60% metal loss tee was increased from 3,059 psi (unrepaired) to 4,617 psi, or a 51% improvement. The burst pressure of the 60% metal loss elbow was increased from 2,610 psi to 4,625 psi, or a 77% improvement. Both the analysis and testing results demonstrated that composite materials can restore the pressure integrity of corroded tee and elbow pipe fittings.
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Badde, Aurelia, and Bernhard Illerhaus. "3D-μCT reveals the work processes of cast plaster statues, their internal structures, damages, and restorations." In Optical Metrology, edited by Renzo Salimbeni and Luca Pezzati. SPIE, 2005. http://dx.doi.org/10.1117/12.611820.

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Zheng, Yihao, Jingxuan Lyu, Yang Liu, Jason Lo, Ata Susamaz, Hitinder S. Gurm, and Albert J. Shih. "Grinding Wheel Motion and Force During Plaque Removal by Rotational Atherectomy in Angulated Coronary Artery." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6686.

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Rotational atherectomy (RA) utilizes a high-speed diamond grinding wheel to remove the calcified atherosclerotic plaque off the vessel wall via a catheter inside an artery for blood flow restoration and treatment of cardiovascular diseases. RA in angulated lesions is challenging due to the geometric constrains on the wheel motion, potentially leading to vessel dissection and perforation. To understand the grinding wheel motion and force during RA in curved arteries, experiments were conducted based on 3D printed anatomically accurate coronary artery phantoms with plaster coating as the plaque surrogate, a high-speed camera, and a multi-axis force transducer. Results showed that the grinding wheel did not orbit inside right coronary artery phantom which led to a highly biased ground region aligned with several contact points between the guidewire and the arterial wall. The grinding wheel orbital motion facilitated an even treatment of several segments in left anterior descending coronary artery phantom. The grinding force, ranging from 0.05 to 0.20 N, increased with the wheel rotational speed when the wheel orbited and was insensitive to the wheel speed without wheel orbital motion. This study explained the clinically observed guidewire bias from the engineering perspective and further revealed the RA mechanism of action in angulated artery, which may assist to improve the device design and the operating technique.
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