Relevant bibliographies by topics / Composite material

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Composite material'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Composite material"

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Seng, De Wen. "Visualization of Composite Materials’ Microstructure with OpenGL." Applied Mechanics and Materials 189 (July 2012): 478–81. http://dx.doi.org/10.4028/www.scientific.net/amm.189.478.

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The composite material is made by two or more of the same nature, substance or material combinations together new material. Through appropriate methods, different materials are to be combined with each other sets’ advantages of various materials into one, and to be available to the various properties of new materials. This is the fundamental reason for the rapid development of composite materials and composite technology. The fiber reinforced composite fibrous material in such materials as filler, in order to play an enhanced role. The fiber reinforced composite materials and fiber reinforced ceramic matrix composites are discussed in detailed. OpenGL is used to implement visualization of composites' material microstructure, which can specify fiber parameters to gain a basis of visualization.
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Kala, Shiva Kumar, and Chennakesava Reddy Alavala. "Enhancement of Mechanical and Wear Behavior of ABS/Teflon Composites." Trends in Sciences 19, no. 9 (April 8, 2022): 3670. http://dx.doi.org/10.48048/tis.2022.3670.

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In the present investigations, Most of the engineering applications of metallic materials are replaced by polymeric based composite materials. Because of the low cost and accessible handling of polymer composite materials such as Acrylonitrile butadiene styrene (ABS) matrix materials are used to make the composites with additions of filler enhance the properties of the matrix materials. In the present study, ABS matrix material is used to make the composite materials by adding the Teflon materials. Investigations are carried out to find the enhancement of the composites' mechanical properties. Optimizing the process parameters is done to identify the composite's most optimum used to get composite with better mechanical properties. SEM analysis and wear Debris are investigated to study the microscopic surface nature and behavior of the composites.
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Bolf, Davor, Albert Zamarin, and Robert Basan. "Composite Material Damage Processes." Journal of Maritime & Transportation Science 3, no. 3 (June 2020): 307–23. http://dx.doi.org/10.18048/2020.00.23.

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Composite materials are in use in the shipbuilding industry for a long period of time. Composites appear in vast number of fibre – matrix combinations and can be produced with several different production processes. Due to the specific nature of the composite material structure, the selection of the production process and the limitations in the quality control procedures, composite materials will always be subject to defects and imperfections which may, under certain circumstances, lead to the appearance and propagation of cracks. The size and the shape of the crack, the load type and the stress field in the material surrounding the crack will be crucial for crack growth and crack propagation. This paper reviews the composite material damage processes especially relevant for shipbuilding. The basic principles of composite material fracture mechanics are briefly explained, and finally, mechanisms responsible for the development of damage and fracture of composite materials are presented. This paper has emerged from the need to summarize information about composite material fracture and failure mechanisms and modes relevant for the shipbuilding industry.
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Thakkar, Radhika, Anuj P. Maini, Sahil Mogla, Syed Shah Hussain Qadri, Praveen K. Varma, and Alok Dubey. "Effect of Staining Beverages on Color Stability of Composite: A Spectrophotometric Study." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (February 2024): S389—S392. http://dx.doi.org/10.4103/jpbs.jpbs_611_23.

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ABSTRACT Objective: This study used spectrophotometry to examine how staining beverages affect the color stability of three commercial composite materials (nanohybrid composite (A), bulk fill composite (B), and flowable composite (C)) over time. Materials and Methods: Composite discs were randomly divided into groups. The specimens were kept in coffee, tea, red wine, and cola for 14 days at 37°C in the dark. At baseline, 7 days, and 14 days, spectrophotometers measured color. Calculated and analyzed color differences (E). Results: Staining beverages changed the color of all composites. Composite material A had the best color stability, whereas material C stained beverages the most. Red wine and coffee discolored composites most. Discoloration increased over the 14-day immersion period. Conclusion: Composite materials with better color stability were material A. Red wine and coffee discolored composites most. When choosing restorative materials, dentists should consider composite materials’ color stability for long-lasting, visually acceptable results.
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Ishii, Chika, Kimitaka Asatani, and Ichiro Sakata. "Detecting possible pairs of materials for composites using a material word co-occurrence network." PLOS ONE 19, no. 1 (January 26, 2024): e0297361. http://dx.doi.org/10.1371/journal.pone.0297361.

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Composite materials are popular because of their high performance capabilities, but new material development is time-consuming. To accelerate this process, researchers studying material informatics, an academic discipline combining computational science and material science, have developed less time-consuming approaches for predicting possible material combinations. However, these processes remain problematic because some materials are not suited for them. The limitations of specific candidates for new composites may cause potential new material pairs to be overlooked. To solve this problem, we developed a new method to predict possible composite material pairs by considering more materials than previous techniques. We predicted possible material pairs by conducting link predictions of material word co-occurrence networks while assuming that co-occurring material word pairs in scientific papers on composites were reported as composite materials. As a result, we succeeded in predicting the co-occurrence of material words with high specificity. Nodes tended to link to many other words, generating new links in the created co-occurrence material word network; notably, the number of material words co-occurring with graphene increased rapidly. This phenomenon confirmed that graphene is an attractive composite component. We expect our method to contribute to the accelerated development of new composite materials.
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Utami, Mala, Jonathan Ernest Sirait, Beny Budhi Septyanto, Aries Sudiarso, and I. Nengah Putra Apriyanto. "Laminar Composite Materials for Unmanned Aircraft Wings." Defense and Security Studies 3 (December 21, 2022): 106–12. http://dx.doi.org/10.37868/dss.v3.id211.

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Unmanned Aerial Vehicles (UAVs) have high popularity, especially in the military field, but are now also being applied to the private and public sectors. One of the UAV components that require high material technology is the wing. The latest material technology developed as a material for unmanned aircraft wings is a composite material that has high strength and lightweight. This research aims to identify composite materials that can be used for unmanned aircraft wing structures. The method used in this research is a qualitative method with a literature study approach. The results of this theoretical study show that some of the latest composite materials that have been developed into materials for unmanned aircraft wings are Laminar Composites with a sandwich structure. Laminar and sandwich composites consist of various constituent materials such as Balsa wood fiber-glass and polyester resin, microparticles, Carbon Fibre Reinforced Polymer, polymer matrix composites reinforced with continuous fibers, Polymer matrix composites, E-glass/Epoxy, Kevlar/Epoxy, Carbon/Epoxy, woven fabrics, acrylonitrile butadiene styrene-carbon (ABS) laminated with carbon fiber reinforced polymer (CFRP) and uniaxial prepreg fabrics. Laminar and sandwich composite materials are a reference for developing unmanned aircraft wing structures that have resistant strength and lightweight.
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Zhao, Fei, Bo Zhou, Xiuxing Zhu, and Haijing Wang. "Constitutive model of piezoelectric/shape memory polymer composite." Journal of Physics: Conference Series 2713, no. 1 (February 1, 2024): 012037. http://dx.doi.org/10.1088/1742-6596/2713/1/012037.

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Abstract The PZT/SMP composite material, combining piezoelectricity and shape memory effects, has emerged as a novel multifunctional smart material and has gained significant attention. The establishment of an effective constitutive model, describing the mechanical properties of the composites, holds tremendous importance in both theoretical and engineering realms. This study aims to develop a model to investigate the mechanical properties of PZT/SMP composites. By incorporating the deformation mechanisms of the PZT/SMP composites and the theories of viscoelasticity, the constitutive equation for PZT/SMP composites has been established. Based on composite material theory and the properties of transversely isotropic materials, combined with the material parameter equations for SMP, the material parameter equations of PZT/SMP composites have been established. Using the polarization direction of the composite material as an example, we conduct simulation analyses on PZT/SMP composites with various volume fractions of PZT particles by using the developed constitutive model. The variations in material parameter performance, piezoelectric performance, and shape memory performance are investigated. The simulation results demonstrate that an increase of PZT content in the PZT/SMP composite enhances both the piezoelectric and mechanical properties of the composite material, which significantly influences the shape memory process.
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Qian, Bosen, Fei Ren, Yao Zhao, Fan Wu, and Tiantian Wang. "Enhanced Thermoelectric Cooling through Introduction of Material Anisotropy in Transverse Thermoelectric Composites." Materials 12, no. 13 (June 26, 2019): 2049. http://dx.doi.org/10.3390/ma12132049.

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Transverse thermoelectric materials can achieve appreciable cooling power with minimal space requirement. Among all types of material candidates for transverse thermoelectric applications, composite materials have the best cooling performance. In this study, anisotropic material properties were applied to the component phase of transverse thermoelectric composites. A mathematical model was established for predicting the performance of fibrous transverse thermoelectric composites with anisotropic components. The mathematical model was then validated by finite element analysis. The thermoelectric performance of three types of composites are presented, each with the same set of component materials. For each type of component, both anisotropic single-crystal and isotropic polycrystal material properties were applied. The results showed that the cooling capacity of the system was improved by introducing material anisotropy in the component phase of composite. The results also indicated that the orientation of the anisotropic component’s property axis, the anisotropic characteristic of a material, will significantly influence the thermoelectric performance of the composite. For a composite material consisting of Copper fiber and Bi2Te3 matrix, the maximum cooling capacity can vary as much as 50% at 300 K depending on the property axis alignment of Bi2Te3 in the composite. The composite with Copper and anisotropic SnSe single crystal had a 51% improvement in the maximum cooling capacity compared to the composite made of Copper and isotropic SnSe polycrystals.
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Yamatogi, Toshio, Hideaki Murayama, Kiyoshi Uzawa, Takahiro Mishima, and Yasuaki Ishihara. "Study on Composite Material Marine Propellers." Journal of The Japan Institute of Marine Engineering 46, no. 3 (2011): 330–40. http://dx.doi.org/10.5988/jime.46.330.

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Saikishore, G. J., K. Giridhar Saikiran, V. Chakri, Anshuman K, D. S. Naga Malleswara Rao, G. Saravanan, and L. S. P. Subbu. "Investigation of mechanical properties and thermal properties on sugarcane fiber composite material reinforced with polyethylene terephthalate matrix material for sustainable applications." E3S Web of Conferences 552 (2024): 01004. http://dx.doi.org/10.1051/e3sconf/202455201004.

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In this modern age composite materials are become the primary material for engineering production because composite materials have several specific properties such as high strength-to-weight ratio, low cost, ease of fabrication, tensile strength, compressive strength, Impact strength, high resistance to thermal which does not realize in pure material or non-composite material. Fabricating composite materials involves producing something useful from waste materials. The experimental investigation involves the fabrication of sugarcane fiber-reinforced PET composites through a controlled manufacturing process. Because of its vast application, every Mechanical Engineer should have the knowledge about the fabricate and test the composite material. In this research, two waste materials are used - bagasse and waste plastic to fabricate a composite. The main purpose of the composite material is for heat insulation that is applicable for industrial roofing. The main purpose of the composite material is for heat insulation that is applicable for industrial roofing applications and manufacturing for sustainable components. The mechanical results after compression and shear tests are 4.57 and 0.37 MPa respectively. The maximum thermal test after an exposed surface temperature test is 54 °C
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Dissertations / Theses on the topic "Composite material"

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Freitas, Ricardo Luiz Barros de [UNESP]. "Fabricação, caracterização e aplicações do compósito PZT/PVDF." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/100281.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Um material compósito é constituído pela combinação de dois ou mais materiais, onde se procura sintetizar um novo material multifásico, e que abrigue as melhores características individuais de cada um de seus constituintes. Compósitos de polímeros (matriz) e ferroelétricos (inclusões) podem manifestar piezoeletricidade, ou seja, a produção de uma resposta elétrica devido a uma excitação mecânica, e vice-versa. Nesta tese o material polimérico usado para preparar os filmes ou lâminas de nanocompósitos é o PVDF, e, o material cerâmico é formado por nanopartículas de PZT. Ambos os materiais são dielétricos, porém, com características muito distintas (por exemplo, o PVDF tem aproximadamente 1/4 da densidade e 1/250 da constante dielétrica do PZT). O PZT é muito utilizado em transdutores, principalmente devido aos seus elevados coeficientes piezoelétricos, contudo, é quebradiço e sofre desgaste quando empregado na forma de filmes ou lâminas. Por outro lado, o PVDF é um polímero piezoelétrico que apresenta grande flexibilidade e excelentes resistências mecânica e química, porém, seus coeficientes piezoelétricos são apenas moderados. A fim de se aumentar a flexibilidade do PZT, mistura-se o pó cerâmico, na forma de nanopartículas, com o PVDF, também pulverizado. Na tese, evidencia-se que o compósito constituído por esta combinação cerâmica-polímero proporciona uma nova classe de materiais funcionais com grande potencial de aplicação, por terem combinadas a resistência e rigidez das cerâmicas, e, a elasticidade, flexibilidade, baixa densidade e elevada resistência a ruptura mecânica dos polímeros. O novo material tem grande resistência a choques mecânicos, flexibilidade, maleabilidade, e, principalmente, coeficientes piezoelétricos relativamente elevados. Amostras do compósito...
A composite material is constituted by the combination of two or more materials, which synthesizes a new multiphase material, and has the best individual characteristics of each of its constituents. Polymer composites (matrix) and ferroelectric (inclusions) can express piezoelectricity, i.e. the production of an electrical response due to a mechanical excitation, and vice versa. In this thesis the polymeric material used to prepare the films or slides of nanocomposites is the PVDF, and, ceramic material is formed by PZT nanoparticles. Both materials are dielectrics, however, with very different characteristics (for example, the PVDF is approximately 1/4 density and 1/250 relative permittivity from PZT). The PZT is widely used in transducers, mainly due to their high piezoelectric coefficients, however, is brittle and suffers wear and tear when employed in the form of films or slides. On the other hand, the PVDF is a piezoelectric polymer that offers great flexibility and excellent mechanical and chemical resistances, however, its piezoelectric coefficients are only moderate. In order to increase the flexibility of PZT, ceramic powder is mix, in the form of nanoparticles, with PVDF, also sprayed. In theory, it becomes evident that composite consisting of this ceramic- polymer combination delivers a new class of functional materials with great potential for application, because they combine the strength and rigidity of ceramics, and elasticity, flexibility, low density and high resistance to mechanical disruption of polymers. The new material has great resistance to mechanical shock, flexibility, suppleness, and, primarily, relatively high piezoelectric coefficients. PZT/PVDF composite samples were fabricated and characterized aiming to applications such as: piezoelectric actuators, acoustic emission detectors, and energy... (Complete abstract click electronic access below)
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Karlsson, Johan. "Composite material in car hood : Investigation of possible sandwich materials." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-45633.

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Maman, Shmuel. "Composite material repair and reliability." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25759.

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Composite structure repair methodology has been developed to specific applications (typically in small area and limited to secondary structure) and is being extended to Large Area Composite Structure Repair (with target extension to primary structures). Therefore, the repair becomes more critical because we get redistribution of stresses that can also affect the zones outside of the repair area. For this reason, an analytic evaluation of the repair's reliability has to be performed to define a parameter which reflects on the effectiveness of the repair. In this work, we establish a principal guideline to evaluate the redundancy and compare the reliability of the repair to the reliability of the parent structure (i.e., the structure in the undamaged state). The approach adopted is to utilize structural finite element analysis to compute the state and of the candidate repaired state. The reliability of these two spatially non-uniform stresses is computed by a probabilistic failure criterion. Thus, we can optimize the repair configuration by varying the strength and the stiffness of any element in the repair site by varying the lamination angles, and selectively using hybrid materials. Keywords: Theses, Jet fighters, Airframes, Fixed wing aircraft
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Ghaemi, Hamid. "The effective properties of composite material." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/MQ58036.pdf.

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Goel, Anjali 1978. "Economics of composite material manufacturing equipment." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/31096.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.
Includes bibliographical references (p. 43).
Composite materials are used for products needing high strength-to-weight ratios and good corrosion resistance. For these materials, various composite manufacturing processes have been developed such as Automated Tow Placement, Braiding, Diaphragm Forming, Resin Transfer Molding, Pultrusion, Autoclave Curing and Hand Lay Up. The aim of this paper is to examine the equipment used for these seven processes and to produce a cost analysis for each of the processes equipment. Since many of these processes are relatively new or are fairly costly and specified to the customers need, much of the equipment is custom made to meet the requirements of the part being produced. Current pricing information for individual custom-built machines, as well as standard machinery has been provided here.
by Anjali Goel.
S.B.
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Lloyd, Rachel Louise. "Recycling of carbon fibre composite material." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/11356.

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Different routes for recycling carbon fibre composites from the aircraft industry were investigated for feasibility., Literature analysis revealed little previous ·work in this area, with most composite recycling investigations concentrating on automotive industry wastes. The magnitude of disposal of carbon fibre composite materials from the aircraft industry is estimated to be in the region of 350,000 tonnes between the years 2000 and 2050. Landfill cost investigations concluded that the corresponding disposal cost will be in the region of £52 million. Experimentation indicated that the material was stable in landfill conditions, whilst investigations into the health and safety aspects of composite recycling revealed that the materials were harmless unless reduced diameter fibres were released. Activation experiments concluded that the production of commercially viable active carbons was not possible - although the resins activated the carbon fibres did not. Maximum BET surface areas of 170 m2 g- 1 were achieved, despite employing different activation methods and pre-treatments. Therefore, alternative recycling routes were investigated. Two brainstorming sessions generated over forty options. After analysis for of these options were considered most likely to succeed and were investigated in more depth. . Fragment mitigation trials showed a significant reduction in fragment velocity (-20 %) using composite plates of 10.5 mm thickness, liquid-holding boxes resulted in fragment velocity reductions of up to 75 %. Delamination was localised to the area of impact. Literature based investigations of fibre recovery methods identified fluidised bed and high-pressure steam as the most likely to be viable, with fluidised bed plants breaking even at throughputs under 9,000 t/yr. Chemical digestion and resin burn off produced significantly weakened fibres, swelling resulted in the freeing of pre-preg layers. Artificial reef investigations showed that although the material did not appear to degrade in marine environments, it was unsuitable for organism growth. No organisms were attached after a period of 1 year. Pyrolysis appeared to be a viable option, with plants breaking even at throughputs of approximately 6,000 t/yr. Fragment mitigation, fluidised bed fibre recovery and pyrolysis were considered most likely to offer technically and economically viable recycling 1"9utes, and it is recommended that these routes should be investigated further.
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Counts, William Arthur. "Mechanical behavior of bolted composite joints at elevated temperature." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17315.

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Teh, Kuen Tat. "Impact damage resistance and tolerance of advanced composite material systems." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-170512/.

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Sinclair, Chad. "Co-deformation of a two-phase FCC/BCC material /." *McMaster only, 2001.

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Pacheco, João Felipe Mota. "Influencia do tratamento superficial na resistencia a tração da união polimero de vidro-cimento resinoso." [s.n.], 1997. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288172.

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Orientador: Mario Fernando de Goes
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste estudo foi avaliar a influência de diferentes tratamentos na superfície do polímero de vidro Artglass (HERAEUS, Kulzer - Germany). Foi verificado também o efeito do agente de silanização (Porcelain Primer - BISCO, lnc. ltasca IL), do ativador superficial de compósitos (Composite Activator BISCO, lnc. ltasca IL) e do líquido para reparos do sistema Artglass na resistência à tração com o sistema adesivo All Bond 2 (BISCO, lnc. ltasca IL) associado ao cimento Choice Porcelain Venner System (BISCO, lnc. ltasca IL). Foram confeccionadas duzentos e quarenta amostras e divididas em 12 grupos com 20 amostras cada. Cada grupo foi submetido aos seguintes tratamentos: grupo 1 - jateamento com óxido de alumínio; grupo 2 - jateamento com óxido de alumínio e aplicação do Porcelain Primer; grupo 3 jateamento com óxido de alumínio e aplicação do Composite Activator; grupo 4 - jateamento com óxido de alumínio e aplicação do Artglass Liquid; grupo 5 - condicionamento com ácido fosfórico; grupo 6 - condicionamento com ácido fosfórico e aplicação do Porcelain Primer; grupo 7 - condicionamento com ácido fosfórico e aplicação do Composite Activator; grupo 8 condicionamento com ácido fosfórico e aplicação do Artglass Liquid; grupo 9 - condicionamento com ácido fluorídrico; grupo 10 - condicionamento COIIJ ácido fluorídrico e aplicação do Porcelain Primer; grupo 11 - condicionamento com ácido fluorídrico e aplicação do Composite Activator; grupo 12 - condicionamento com ácido fluorídrico e aplicação do Artglass Liquid. Após o tratamento, as amostras foram unidas em pares com auxílio do sistema adesivo e do cimento resinoso manipulados de acordo com as instruções do fabricante. Em seguida, os corpos-de-prova foram armazenados a 37 'GRAUS'C com umidade relativa do ar em 100%, durante 24 horas e, logo após, foram submetidos a 500 ciclos térmicos ajustados às temperaturas de 5'GRAUS'C, 37°C e 60°C, com duração de 30 segundos cada. Decorrido o período de 48 horas, os corpos-de-prova foram submetidos ao ensaio de tração em uma máquina de ensaio universal (Otto Wolpert Werke, Germany), a uma velocidade de 6 mm/minuto. As médias dos resultados obtidos foram: grupo 1 - 11,46 MPa; grupo 2 - 12,28 MPa; grupo 3 - 9,45 MPa, grupo 4 - 11,53 MPa; grupo 5 - 3,83 MPa; grupo 6 - 4,84 MPa; grupo 7 - 3,94 MPa; grupo 8 - 5,67 MPa; grupo 9 - 6,51 MPa; grupo 10 - 6,36 MPa; grupo 11 - 7,86 MPa; grupo 12 - 8,34 MPa. A seguir os resultados foram submetidos análise de variância e ao Teste de Tukey. Após os testes de resistência à tração as amostras foram examinadas em lupa estereoscópica com aumento de 16 vezes, onde foi verificado predomínio de fraturas coesivas do polímero de vidro para os grupos tratados com jateamento com óxido de alumínio. O efeito dos tratamentos de superfície foi analisado com auxílio de um microscópio eletrônico de varredura (Zeiss DSM 960, Germany). Os resultados indicaram que o maior valor de resistência de união foi obtido através do jateamento com óxido de alumínio associado ao agente de silanização. Nos demais grupos onde também foi realizado o jateamento com óxido de alumínio os valores de resistência de união foram superiores e diferentes estatisticamente, quando comparados aos outros grupos, com exceção da associação do ácido fluorídrico com o Composite Activator, que não diferiu do grupo 3. A análise através de M.E.V. das superfícies tratadas demonstrou um padrão morfológico mais favorável ao imbricamento micromecânico produzido com o jateamento com óxido de alumínio
Abstract: The purpose of this study was to evaluate the influence of different superficial treatment of glass polymeric material Artglass (Heraeus, Kulzer). The effect of the silane agent application (Porcelain Primer - Bisco, lnc., ltasca, IL), a superficial Composite activator mixture (Composite Activator - Disco, Inc., ltasca, lL) and also the Artglass Liquid was verified in the tensile strength with adhesive system AllBond 2 (Bisco, lnc., !tasca, lL) associated with the resin cement Choice Porcelain Venner System (Bisco, lnc., !tasca, IL). Two hundred and torty samples were made and divided into 12 groups. Each group contained 20 samples submitted to treatments: Group 1 sandblasting with aluminum oxide; Group 2 - sandblasting with aluminum oxide and Porcelain Primer application; Group 3 - sandblasting with aluminum oxide and Composite Activator application; Group 4 - sandblasting with aluminum oxide and Artglass liquid application; Group 5 - acid etching with phosphoric acid; Group 6 - acid etching with phosphoric acid and Porcelain Primer application; Group 7 - acid etching with phosphoric acid and Composite Activator application; Group 8 acid etching with phosphoric acid and Artglass Liquid application; Group 9 acid etching with hydrofluoridric acid; Group 10 - acid etching with hydrofluoridric acid and Porcelain Primer application; Group 11 - acid etching with hydrotluoridric acid and Composite Activator application; Group 12 - acid etching with. hydrofluoridric acid and Artglass Liquid application. Following the treatment, the samples were bonded into pairs with the adhesive system and the resin cement, applied according with the manufacturer's instructions. Then, the samples were stored in 37° with a relative humidity of 100% during 24 hours. Submitted into 500 thermal circles, adjusted to 5 'DEGREE'C, 37 'DEGREE'C and 60'DEGREE'C, lasting 30 second each. After 48 hours, the samples were submitted to a tensile strength test in a Universal test machine (Otto Wolpert Werke, Germany) with a crosshead speed 6 mm / minute. The average results were : Group 1 - 11,46 MPa; Group 2 - 12,28 MPa; Group 3 - 9,45 MPa; Group 4 - 11,53 MPa; Group 5 - 3,83 MPa; Group 6 - 4,84 MPa; Group 7 - 3.94 MPa; Group 8 - 5,67 MPA; Group 9 - 6,51 MPA; Group 10 6,36 MPa; Group 11 - 7,86 MPa; Group 12 - 8,34 MPa. ThereFore, the results were submitted to Anova and Tukey Test. Then the samples were examined in a stereoscopic magnifying glass (x16), where it was verified the prevailing of cohesive rupture of the Glass Polymer in the groups treated with aluminum oxide sandblasting. The efFect of the superficial treatments was analyzed by a Scanning Electron Microscopy. The results indicated that sandblasting with aluminum oxide associated with the silane agent attained the biggest value of the bond strength. ln groups where the aluminum oxide sandblasting was performed the values presented were higher and statistically significant comparing with the others groups, except the association between hydrotluoridric acid and Composite Activator, which did not differ from group 3. The analysis of the treated surface was made using the Scanning Electron Microscopy and showed a more suitable morphologic pattem to the micromechanic retention produced with aluminum oxide sandblasting
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Books on the topic "Composite material"

1

Institute of Materials (London, England), ed. Engineering composite materials. 2nd ed. London: IOM, 1999.

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G, Wouters Tobias, ed. Leading-edge composite material research. New York: Nova Science Publishers, 2008.

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Yosomiya, Ryūtoku. Adhesion and bonding in composites. New York: M. Dekker, 1990.

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1946-, Nethercot D. A., ed. Composite construction. London: Spon Press, 2003.

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Kipp, Dale O. Composite material data sheets. [Blacksburg, Va.?]: MatWeb, Division of Automation Creation, Inc., 2010.

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M, Marchello J., Johnston N. J, and Langley Research Center, eds. Composite material impregnation unit. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1993.

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author, Gupta A. C., ed. Polymer composites. London: New Academic Science, 2019.

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M, Gammon Luther, ed. Optical microscopy of fiber reinforced composites. Materials Park, Ohio: ASM International, 2010.

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1942-, Osamura Kōzō, ed. Composite superconductors. New York: M. Dekker, 1994.

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H, Marshall I., Scottish Development Agency, and International Conference on Composite Structures. (4th : 1987 : Paisley College of Technology, Scotland, UK), eds. Composite structures 4. London: Elsevier Applied Science, 1987.

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Book chapters on the topic "Composite material"

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Vinson, J. R., and R. L. Sierakowski. "Composite Material Shells." In The behavior of structures composed of composite materials, 149–72. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-5187-7_5.

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Moglestue, C. "Composite Material Devices." In Monte Carlo Simulation of Semiconductor Devices, 216–42. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-015-8133-2_10.

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Yang, Zhaochun. "Composite Materials." In Material Modeling in Finite Element Analysis, 149–61. 2nd ed. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003436317-23.

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Breuer, Ulf Paul. "Material Technology." In Commercial Aircraft Composite Technology, 45–72. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31918-6_3.

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Sirotkin, O. S., and V. B. Litvinov. "Composite-material part joining." In Composite Manufacturing Technology, 219–83. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1268-0_6.

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Kannan, K. Gopi, R. Kamatchi, and D. Dsilva Winfred Rufuss. "Potential Applications of Nano-Enhanced Phase Change Material Composites." In Composite and Composite Coatings, 233–42. New York: CRC Press, 2022. http://dx.doi.org/10.1201/9781003109723-13.

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Reifsnider, Kenneth L. "Life Prediction Methodology for Composite Material Systems." In Composite Structures, 154–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-11345-5_7.

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Brahmadathan, V. B., and C. Lakshmana Rao. "Experimental Investigation of Dynamic Behaviour of Ceramic Material and the Effectiveness of Pulse Shapers." In Composite Materials, 159–67. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003352358-14.

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Verma, Shivani, M. D. Goel, and N. N. Sirdesai. "A Novel Pulse-Shaping Technique to Forecast the Behavior of Brittle Material Using Split Hopkinson Pressure Bar." In Composite Materials, 146–58. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003352358-13.

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Vinson, J. R., and R. L. Sierakowski. "Joining of Composite Material Structures." In The behavior of structures composed of composite materials, 239–83. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-5187-7_8.

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Conference papers on the topic "Composite material"

1

Brown, Alexander L., Amanda B. Dodd, and Brent M. Pickett. "Intermediate Scale Composite Material Fire Testing." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63725.

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Composite materials are increasingly being used in aviation applications. As the quantity of composite material increases, there is a corresponding need to develop a better understanding of composite material response in fire environments. We have recently developed a program to examine this problem experimentally and computationally. Although Sandia National Laboratories and Air Force Research Laboratories at Tyndall have slightly different focuses, we are collaborating to focus on understanding duration, intensity, and the underlying physics during composite fires, as well as the technology and procedures to safely manage composite fire events. In the past year, we have been performing both small and intermediate scale testing to understand the behavior of composite materials used in aviation applications. The current focus is on a set of intermediate scale tests to generate data useful for understanding the behavior of carbon fiber epoxy composites in adverse thermal environments. A series of tests has been performed in a 90 cm cubic enclosure with 25–40 kg of composite materials to generate a severe fire environment fueled mostly by the composites. Preliminary results of these tests will be reported to provide data on the severity of the environment in terms of thermal intensity, duration, and chemical products.
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Safin, R., and R. Fahrutdinov. "WOOD-POLYMER COMPOSITE MATERIAL." In Ecological and resource-saving technologies in science and technology. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/erstst2021_197-201.

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The PDM Department has developed a layered wood-polymer composite material (DPCM) containing surface layers based on thermomodified wood and a thermoplastic polymer as a filler, and an inner layer of polyurethane foam and wood particles as a binding matrix. The technology of production of the developed material is proposed. The purpose of the work is to create a layered wood-polymer thermal insulation material and technology for its production. The task is to develop a technology for obtaining a wood-polymer thermal insulation material with improved operational properties, high thermophysical indicators and low market value. To date, a layered DPCM has been obtained in laboratory conditions and studies of its operational characteristics have been carried out.
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Nandi, Soumitra, and Zahed Siddique. "Components for Composite Material Customization System." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87341.

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With the advancements of composite materials and research in nano-composites, designers have the flexibility to select materials from a wide range of properties to meet their specific design needs. Even with all these advancements, the material selection process during design follows a very conventional approach. The conventional approach to material design is to select a certain material from a given pre-set material list that allows the attainment of nearest properties required for the product. One of the disadvantages of this approach is that the trade-off inherent in the selection of material, when multiple properties are targeted, can be cumbersome to achieve or addressed at all. In this paper we present an approach to select and design composite materials, where the designer will have flexibility to select multiple properties of materials during the design of a new product. This approach employs an index for selection combined with heuristic optimization techniques to select the optimized combination of composite materials that could meet closest possible property goals. In the case study presented in this paper, we did not perform any optimization; rather, emphasize is given to the explanation of material selection technique, and an RMS value is introduced as an index for the selection.
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Shue, Bruce, Alfonso Moreira, and George Flowers. "Review of Recent Developments in Composite Material for Aerospace Applications." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87847.

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Advanced materials are a key element in the development of modern aerospace vehicles and composites are one of the most promising types of such materials. They tend to be significantly lighter than their metal counterparts, while possessing impressive strength and performance characteristics. This paper describes recent work and developments in three major types of composite materials — polymer matrix composite (PMC), metal matrix composite (MMC), and ceramic matrix composite (CMC). Recent work in nanocomposites, which is particularly applicable to polymer matrix and metal matrix composites is also presented and discussed. In addition, some recent work in composite material damping is discussed and a modeling strategy for amplitude dependent damping is developing based upon heuristic modeling considerations and experimental testing results.
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Martin, Rod. "Composite Materials: An Enabling Material for Offshore Piping Systems." In Offshore Technology Conference. Offshore Technology Conference, 2013. http://dx.doi.org/10.4043/23925-ms.

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Yosibash, Zohar, and Barna A. Szabó. "Failure Analysis of Composite Materials and Multi Material Interfaces." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0145.

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Abstract Composite materials and multi-material interface problem usually have one or more singular points. In the neighborhood of these points the solution of two-dimensional linear elastostatic problems is characterized by a series of eigenpairs and their coefficients, called the generalized stress intensity factors (GSIFs). Accurate and reliable computation of the eigenpairs and the GSIFs is important because failure theories directly or indirectly involve these quantities. New efficient and accurate methods for numerical computation of the eigenpairs and the GSIFs, based on the p-version of the finite element method, are presented and demonstrated. Examples, representing two different kinds of singular points demonstrate that the method works well and produces results of high accuracy. Importantly, the method is applicable to anisotropic materials, multi-material interfaces, and cases where the singularities are characterized by complex eigenpairs.
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Fattahi, S. J., and D. Necsulescu. "Health Monitoring of Composite Material Using Fiber Bragg Grating." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85248.

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Recently, the use of composite materials in different applications like aircrafts, wind turbines and towers has developed rapidly. This rapid development of large size composite structures is, though, not without its problems, particularly in case of difference in lamination when using various materials. Health monitoring and delaminating preventive maintenance are important issues when using composite materials. The use of smart structures enables real-time monitoring of the composite materials and permits applications using sensors to appropriately arrive to a desired state. This paper presents an optimal, inexpensive and continuous laminated sensor based monitoring in composites using Fiber Bragg Grating (FBG). This paper investigates layered composites and FEM based on the static and dynamic equations and the mechanical behavior with respect to stress and strain. Delaminating criteria of a composite cantilever beam can be analyzed based on wavelength shifting relations of FBG and in the resulting reflected spectrum caused by applied forces or displacements.
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Reifsnider, Ken, and S. W. Case. "Life Prediction Based on Material State Changes in Ceramic Matrix Composite Materials." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28167.

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Monolithic ceramics and continuous fiber reinforced ceramic composites are being developed for use in high temperature applications such as combustor liners in gas turbines, thrust deflectors for jet engines, and thruster nozzles. Ceramic composite materials possess the high temperature resistance properties of ceramics, but have better creep and cyclic properties. However, the properties of these materials change somewhat with time at service temperatures, i.e., their material state changes as a function of service conditions and history. The authors have developed a methodology for representing and combining the effects of high temperature material state changes in CMCs, along with changes in applied stress / strain conditions during service, to estimate remaining strength and life of ceramic composite materials and components. Fatigue, creep rupture, and time dependent deformation are combined by a strength metric in integral form to create a time-resolved, point-wise estimate of current remaining strength and life in material elements. Application of this methodology in discrete element representations of mechanical behavior of structural elements with nonuniform stress / strain states has been implemented.
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BRANDS, D. "In-plane deformation measurements for validation of composite forming simulations." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-32.

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Abstract. Validation of composites forming simulations is essential to improve simulation predictions. Detailed validation requires reliable and well-controlled forming processes with precise methods for comparison to simulation results. This study presents some preliminary results from press forming experiments with cross-ply laminates shaped over a dome geometry. The material studied is a unidirectional carbon-fiber reinforced thermoplastic composite. The forming experiments were combined with a deformation measurement technique based on photogrammetry to measure the in-plane deformation on the surface of the laminate after forming. The obtained full-field deformation measurements allow for a direct and quantitative comparison with simulations. The accuracy and precision of the methodology are discussed in detail. The combination of a versatile forming experiment and a detailed analysis method as presented in this article could enable a more precise validation of composite forming simulations.
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Belardi, Walter, Pier Sazio, Francesco De Lucia, and Francesco Poletti. "Composite material Hollow Antiresonant Fibers." In Frontiers in Optics. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/fio.2016.ftu2i.3.

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Reports on the topic "Composite material"

1

Hashin, Z. Composite Material Interface Mechanics. Fort Belvoir, VA: Defense Technical Information Center, January 1991. http://dx.doi.org/10.21236/ada244787.

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Majidzadeh, Kamran, Behzad Vedaie, and George J. Ilves. Composite Material Tester. Phase 1. Fort Belvoir, VA: Defense Technical Information Center, September 1988. http://dx.doi.org/10.21236/adb127562.

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Hanson, Alexander. Revisiting Multi-Material Composite Structures with Homogenized Composite Properties. Office of Scientific and Technical Information (OSTI), January 2022. http://dx.doi.org/10.2172/1842578.

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Morgan, Robert, Brandon McReynolds, Katheryn Husmann, John McCoy, Ryan Maki, Ryan Holguin, John Bernardin, and Antranik Siranosian. Markforged Continuous Fiber Composite Material Testing. Office of Scientific and Technical Information (OSTI), July 2020. http://dx.doi.org/10.2172/1641543.

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Ostachowicz, W. M., M. Krawczuk, and A. Zak. Dynamics of Cracked Composite Material Structures. Fort Belvoir, VA: Defense Technical Information Center, August 1995. http://dx.doi.org/10.21236/ada303895.

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Mandell, J. F., and D. D. Samborsky. DOE/MSU composite material fatigue database: Test methods, materials, and analysis. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/578635.

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Frame, B., F. Paulauskas, J. Miller, and W. Parzych. Composite material fabricate techniques. CRADA final report. Office of Scientific and Technical Information (OSTI), September 1996. http://dx.doi.org/10.2172/10115135.

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Frame, B., F. Paulauskas, J. Miller, and W. Parzych. Composite material fabrication techniques. CRADA final report. Office of Scientific and Technical Information (OSTI), September 1996. http://dx.doi.org/10.2172/10115159.

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Edwards, Christopher W., Timothy W. Batten, and Jon E. Black. Composite Material Hazard Assessment at Crash Sites. Fort Belvoir, VA: Defense Technical Information Center, January 2015. http://dx.doi.org/10.21236/ada617988.

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Barnes, Eftihia, Jennifer Jefcoat, Erik Alberts, Hannah Peel, L. Mimum, J, Buchanan, Xin Guan, et al. Synthesis and characterization of biological nanomaterial/poly(vinylidene fluoride) composites. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42132.

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The properties of composite materials are strongly influenced by both the physical and chemical properties of their individual constituents, as well as the interactions between them. For nanocomposites, the incorporation of nano-sized dopants inside a host material matrix can lead to significant improvements in mechanical strength, toughness, thermal or electrical conductivity, etc. In this work, the effect of cellulose nanofibrils on the structure and mechanical properties of cellulose nanofibril poly(vinylidene fluoride) (PVDF) composite films was investigated. Cellulose is one of the most abundant organic polymers with superior mechanical properties and readily functionalized surfaces. Under the current processing conditions, cellulose nanofibrils, as-received and 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO) oxidized, alter the crystallinity and mechanical properties of the composite films while not inducing a crystalline phase transformation on the 𝛾 phase PVDF composites. Composite films obtained from hydrated cellulose nanofibrils remain in a majority 𝛾 phase, but also exhibit a small, yet detectable fraction of 𝛼 and ß PVDF phases.
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