Bibliografie tematiche / Dental resins Testing

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Letteratura scientifica selezionata sul tema "Dental resins Testing"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Dental resins Testing"

Silva, António Sérgio, Aurora Carvalho, Pedro Barreiros, Juliana de Sá, Carlos Aroso, and José Manuel Mendes. "Comparison of Fracture Resistance in Thermal and Self-Curing Acrylic Resins—An In Vitro Study." Polymers 13, no. 8 (April 11, 2021): 1234. http://dx.doi.org/10.3390/polym13081234.

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Thermal and self-curing acrylic resins are frequently and versatilely used in dental medicine since they are biocompatible, have no flavor or odor, have satisfactory thermal qualities and polishing capacity, and are easy and fast. Thus, given their widespread use, their fracture resistance behavior is especially important. In this research work, we comparatively analyzed the fracture resistance capacity of thermo and self-curing acrylic resins in vitro. Materials and Methods: Five prosthesis bases were created for each of the following acrylic resins: Lucitone®, ProBase®, and Megacryl®, which

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Arif, Wafa, Nosheen Fatima Rana, Iqra Saleem, Tahreem Tanweer, Muhammad Jawad Khan, Sohad Abdulkaleg Alshareef, Huda M. Sheikh, et al. "Antibacterial Activity of Dental Composite with Ciprofloxacin Loaded Silver Nanoparticles." Molecules 27, no. 21 (October 24, 2022): 7182. http://dx.doi.org/10.3390/molecules27217182.

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Resin composites have been widely used in dental restoration. However, polymerization shrinkage and resultant bacterial microleakage are major limitations that may lead to secondary caries. To overcome this, a new type of antibacterial resin composite containing ciprofloxacin-loaded silver nanoparticles (CIP-AgNPs) were synthesized. The chemical reduction approach successfully produced CIP-AgNPs, as demonstrated by FTIR, zeta potential, scanning electron microscopy, and ultraviolet-visible (UV-vis) spectroscopy. CIP-AgNPs were added to resin composites and the antibacterial activity of the den

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Encalada-Alayola, J. J., Y. Veranes-Pantoja, J. A. Uribe-Calderón, J. V. Cauich-Rodríguez, and J. M. Cervantes-Uc. "Effect of Type and Concentration of Nanoclay on the Mechanical and Physicochemical Properties of Bis-GMA/TTEGDMA Dental Resins." Polymers 12, no. 3 (March 6, 2020): 601. http://dx.doi.org/10.3390/polym12030601.

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Bis-GMA/TTEGDMA-based resin composites were prepared with two different types of nanoclays: an organically modified laminar clay (Cloisite® 30B, montmorillonite, MMT) and a microfibrous clay (palygorskite, PLG). Their physicochemical and mechanical properties were then determined. Both MMT and PLG nanoclays were added into monomer mixture (1:1 ratio) at different loading levels (0, 2, 4, 6, 8 and 10 wt.%), and the resulting composites were characterized by scanning electron microscopy (SEM), thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA) and mechanical testing (bending and

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Hampe, Tristan, Andreas Wiessner, Holm Frauendorf, Mohammad Alhussein, Petr Karlovsky, Ralf Bürgers, and Sebastian Krohn. "Monomer Release from Dental Resins: The Current Status on Study Setup, Detection and Quantification for In Vitro Testing." Polymers 14, no. 9 (April 27, 2022): 1790. http://dx.doi.org/10.3390/polym14091790.

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Improvements in mechanical properties and a shift of focus towards esthetic dentistry led to the application of dental resins in various areas of dentistry. However, dental resins are not inert in the oral environment and may release monomers and other substances such as Bisphenol-A (BPA) due to incomplete polymerization and intraoral degradation. Current research shows that various monomers present cytotoxic, genotoxic, proinflammatory, and even mutagenic effects. Of these eluting substances, the elution of BPA in the oral environment is of particular interest due to its role as an endocrine

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Kostic, Milena, Nebojsa Krunic, Ljubisa Nikolic, Vesna Nikolic, Stevo Najman, Ivan Kostic, Jelena Rajkovic, Miodrag Manic, and Dusan Petkovic. "Testing of residual monomer content reduction possibility on acrilic resins quality." Chemical Industry 65, no. 2 (2011): 171–77. http://dx.doi.org/10.2298/hemind101103008k.

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Poly (methyl methacrylate) (PMMA) is material widely used in dentistry. Despite the various methods used to initiate the polymerization of acrylic resins, the conversion of monomer to polymer is not complete thus leaving some unreacted methyl methacrylate (MMA), known as residual monomer (RM), in denture structure. RM in dental acrylic resins has deleterious effects on their mechanical properties and their biocompatibility. The objective of the work was to test the residual monomer reduction possibility by applying the appropriate postpolymerization treatment as well as to determine the effect

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Widyasrini, Dyah Anindya, and Siti Sunarintyas. "Effects of alkalisation and volume fraction reinforcement of Bombyx mori silk fibre on the flexural strength of dental composite resins." Dental Journal (Majalah Kedokteran Gigi) 53, no. 2 (June 15, 2020): 57. http://dx.doi.org/10.20473/j.djmkg.v53.i2.p57-61.

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Background: Composite resins are widely used in dentistry to restore dental caries. Recently, short fibre-reinforced composite (FRC) resins have been widely used for high-stress areas, especially in posterior teeth. Bombyx mori silk fibre is under research to reinforce dental composite resin as it has good mechanical properties. Purpose: This study aims to obtain the effects of alkalisation and silk fibre volume fraction on the flexural strength of FRC. Methods: Bombyx mori silk fibres were obtained from Perhutani, Pati, Indonesia. Samples were divided into two alkalisation groups (4% and 8%).

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Blazic, Larisa, Slavoljub Zivkovic, Dejan Pantelic, and Vladimir Pipic. "Polymerization quality testing of composite resins cured by led light source." Serbian Dental Journal 50, no. 1 (2003): 7–12. http://dx.doi.org/10.2298/sgs0301007b.

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The quality of interface between composite resin materials and hard dental tissues is highly dependent on the polymerization light source. Newly developed blue light- emitting diode units for light polymerization of dental restorative materials are the most innovative light source technology in dentistry nowadays. The aim of this work was to estimate the depth of cure of five different light-activating composite resins exposed to different irradiation times (5s, 10s, 20s and 40s) when the experimental LED light source was used. The tested materials were: Tetric Ceram (Vivadent), Point 4 (Kerr)

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Watanabe, Satoru, Yoshiki Ishida, Daisuke Miura, Taira Miyasaka, and Akikazu Shinya. "Development of a Weight-Drop Impact Testing Method for Dental Applications." Polymers 12, no. 12 (November 26, 2020): 2803. http://dx.doi.org/10.3390/polym12122803.

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For evaluating the impact strength of dental materials, the Izod test or Charpy test has been used, but specimen preparation for these tests is difficult due to the adjustment of a notch on them. By contrast, a weight-drop impact test does not require notched specimens. Therefore, it might be possible to measure the impact strength more accurately than conventional methods. This study aimed to establish appropriate conditions for applying the weight-drop impact test on small specimens of acrylic resin. To determine the most reliable impact fracture energy of acrylic resins, different diameters

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Visco, Anna Maria, L. Calabrese, Nino Campo, A. Bonavita, and Lorenzo Torrisi. "Pull-Out Strength Analysis of Quartz Fibre Posts in Dental Implants." Advances in Science and Technology 49 (October 2006): 130–35. http://dx.doi.org/10.4028/www.scientific.net/ast.49.130.

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In order to rebuild the decayed teeth it’s necessary to re-establish the elastic properties of lost dental tissues, replacing them with restorative materials. A not corrected reconstructive method in the dental implant could reduce the mechanical performance causing its progressive premature failure. In this work composite materials, based on quartz fibers posts and adhesive resins, were employed with the aim to restore damaged teeth. Two groups of extracted teeth were rebuilt with two different techniques. In the first group of samples (A) the fiber quartz post and the adhesive resins were si

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Szczesio-Wlodarczyk, Agata, Jerzy Sokolowski, Joanna Kleczewska, and Kinga Bociong. "Ageing of Dental Composites Based on Methacrylate Resins—A Critical Review of the Causes and Method of Assessment." Polymers 12, no. 4 (April 10, 2020): 882. http://dx.doi.org/10.3390/polym12040882.

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The paper reviews the environmental factors affecting ageing processes, and the degradation of resins, filler, and the filler-matrix interface. It discusses the current methods of testing materials in vitro. A review of literature was conducted with the main sources being PubMed. ScienceDirect, Mendeley, and Google Scholar were used as other resources. Studies were selected based on relevance, with a preference given to recent research. The ageing process is an inherent element of the use of resin composites in the oral environment, which is very complex and changes dynamically. The hydrolysis

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Più fonti

Tesi sul tema "Dental resins Testing"

Dhanpal, Prashanth Kumar. "Water sorption and resin hydrophilicity of dentin bonding agents." Thesis, Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B39839503.

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Berekally, Thomas L. "Some aspects of Maryland Bridge treatments : an 'in-vivo' and 'in-vitro' study." Title page, contents and summary only, 1989. http://web4.library.adelaide.edu.au/theses/09DM/09dmb487.pdf.

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黃翠 and Cui Huang. "Physical and mechanical properties of some resin-based restorative materials after immersion in two different media." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B38628090.

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Raposo, Luís Henrique Araújo 1985. "Critical assessment of mechanical tests parameters for dental materials testing = laboratory and finite element analysis = Avaliação crítica dos parâmetros de ensaios mecânicos envolvendo materiais odontológicos: análise laboratorial e por elementos finitos." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289562.

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Orientador: Lourenço Correr Sobrinho Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba Made available in DSpace on 2018-08-22T13:42:04Z (GMT). No. of bitstreams: 1 Raposo_LuisHenriqueAraujo_D.pdf: 2958780 bytes, checksum: ecb4c3af4c9972ae8898f1429fd0e8b5 (MD5) Previous issue date: 2013 Resumo: Ensaios mecânicos laboratoriais são essenciais no estudo e desenvolvimento dos materiais odontológicos restauradores, como forma de predizer o comportamento clínico dos mesmos frente às variadas condições existentes no meio oral. Apesar das condições

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Allen, James Henry. "A comparison of the enamel demineralization inhibition and shear bond strength of two orthodontic resins." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2009. https://www.mhsl.uab.edu/dt/2009m/allen.pdf.

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Francisconi, dos Rios Luciana Fávaro, Marcela Pagani Calabria, Leslie Casas-Apayco, Heitor Marques Honório, Marcela Rocha De Oliveira Carrilho, José Carlos Pereira, and Linda Wang. "Chlorhexidine does not improve but preserves bond strength to eroded dentin." American Journal of Dentistry, 2015. http://hdl.handle.net/10757/607304.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado. PURPOSE: To evaluate the effect of aqueous solutions of chlorhexidine digluconate (CHX) in different concentrations on bond strength to eroded dentin up to 6 months, using normal dentin as a control. METHODS: Exposed flat dentin of extracted third molars was only ground with 600-grit SiC paper/1 minute (normal dentin - N), or subsequently eroded by a regular-cola soft-drink (eroded dentin - E). N and E were acid-etched, washed, dried and rehydr

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Nguyen, San Boi. "Development and use of a miniature ultrasonic pulser receiver." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112581.

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The field of restorative dentistry and the problem of ultrasonic airframe corrosion in aerospace are introduced as motivation for the construction of a miniature ultrasonic pulser/receiver. A broadly applicable ultrasonic pulser and receiver system is developed. Two pulsers, a 5V square and a 100V spike, and a 52dB amplifier with a 57MHz 6dB bandwidth were constructed as a result. These battery powered devices are tailored for compatibility with a custom built wireless data transmission system, also driven by the same voltage. It is demonstrated that the new pulser/receiver is comparable to

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Kumar, Naresh. "Exploring the variability in mechanical property testing of dental resin composites." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/1494/.

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The invention of dental resin based-composites (RBCs) has provided a broad range of materials for the restoration of load-bearing posterior teeth with excellent clinical results and adequate longevity. Currently, a lack of consensus exists among researchers regarding classification of RBCs as a result of slight variations in filler size and associated interchangeable mechanical properties of “microhybrid”, “nanohybrid” and “nanofilled” RBCs. Also, the inconsistency in mechanical property testing of RBCs is evident amongst researchers. This research explored the variability in experimental and

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Najib, Farrah Huthail. "Endodontic sealers their properties and effects on fiber post retention /." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008m/najib.pdf.

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Jelena, Vuletić Rakić. "Испитивање биокомпатибилности објеката од полимера произведених адитивном технологијом за примену у области стоматологије". Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=101372&source=NDLTD&language=en.

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Uobičajeni pristup i testiranju biolo&scaron;kog pona&scaron;anja materijala je da se počne sa jednostavnim in vitro testovima baziranim na ćelijskim kulturama. In vitro testovi citotoksičnosti su danas jedan od osnovnih načina za procenu biolo&scaron;kog odgovora na materijal jer su brži, lak&scaron;i za ponavljanje, ocenjivanje i jeftiniji u odnosu na eksperimente koji se izvode na životinjama i ljudima. Koriste se kao neka vrsta skrining testova za procenu biolo&scaron;ke sigurnosti materijala. Za razliku od ćelijskih kultura, istraživanja koja uključuju eksperimentalne životinje pružaju bo

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Atti di convegni sul tema "Dental resins Testing"

Raines, Regan, and Roozbeh (Ross) Salary. "Investigation of the Effects of Photopolymer Resin Composition on the Mechanical Properties of Complex Dental Constructs, Fabricated Using Digital Light Processing." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95049.

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Abstract The overarching goal of this research work is to fabricate mechanically robust, dimensionally accurate, and porous dental structures, potentially used for the treatment of dental fractures, anomalies, as well as structural deformities with a focus on oral and maxillofacial surgery applications. In pursuit of this goal, the objective of the work is to investigate the mechanical properties of dental constructs, composed of medical-grade photopolymer resins and fabricated using digital light processing (DLP) process. The fabricated dental constructs not only are porous, but also have com

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Bolton, Brock, Vlado Semiga, Sanjay Tiku, Aaron Dinovitzer, and Joe Zhou. "Full Scale Cyclic Fatigue Testing of Dented Pipelines and Development of a Validated Dented Pipe Finite Element Model." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31579.

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Dents in buried pipelines can occur due to a number of potential causes; the pipe resting on rock, third party machinery strike, rock strikes during backfilling, amongst others. The long-term integrity of a dented pipeline segment is a complex function of a variety of parameters, including pipe geometry, indenter shape, dent depth, indenter support, pressure history at and following indentation. In order to estimate the safe remaining operational life of a dented pipeline, all of these factors must be accounted for in the analysis. The goal of the full scale experimental program described in t

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Tiku, Sanjay, Vlado Semiga, Aaron Dinovitzer, and Geoff Vignal. "Full Scale Cyclic Fatigue Testing of Dented Pipelines and Development of a Validated Dented Pipe Finite Element Model." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90427.

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Dents in buried pipelines can occur due to a number of potential causes; the pipe resting on rock, third party machinery strike, rock strikes during backfilling, amongst others. The long-term integrity of a dented pipeline segment is a complex function of a variety of parameters, including pipe geometry, indenter shape, dent depth, indenter support, pressure history at and following indentation. In order to estimate the safe remaining operational life of a dented pipeline, all of these factors must be accounted for in the analysis. The paper discusses the full-scale dent testing being complete

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Dinovitzer, Aaron, Sanjay Tiku, and Mark Piazza. "Dent Assessment and Management: API Recommended Practice 1183." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9724.

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Abstract Pipeline dents can be developed from the pipe resting on rock, a third-party machinery strike, rock strikes during backfilling, amongst other causes. The long-term integrity of a dented pipeline segment is a complex function of a variety of parameters including pipe geometry, indenter shape, dent depth, indenter support, secondary features, and pipeline operating pressure history at and following indentation. In order to estimate the safe remaining operating life of a dented pipeline, all of these factors must be considered and guidelines for this assessment are not available. US DOT

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Raines, Regan, James B. Day, and Roozbeh (Ross) Salary. "Experimental Characterization of the Mechanical Properties of Medical-Grade Dental Implants, Fabricated Using Vat-Photopolymerization Additive Manufacturing Process." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85436.

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Abstract The overarching goal of this research work is to fabricate mechanically-robust and dimensionally-accurate dental implants for the treatment of dental fractures, anomalies, and structural deformities with a focus on oral and maxillofacial surgery applications. In pursuit of this goal, the objective of the work is to investigate the mechanical properties of several triply periodic minimal surface (TPMS) scaffolds, composed of a medical-grade photopolymer resin, fabricated using digital light processing (DLP) process. DLP is a vat-photopolymerization additive manufacturing process; it ha

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Tiku, Sanjay, Amin Eshraghi, Vlad Semiga, Luis Torres, and Mark Piazza. "Improved Pipeline Dent Integrity Management." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64530.

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Pipeline dents can be developed from the pipe resting on rock, a third party machinery strike, rock strikes during backfilling, amongst other causes. The long-term integrity of a dented pipeline segment depends upon parameters including pipe geometry, indenter shape, dent depth, indenter support, secondary features, and pipeline operating pressure history at and following indentation. US DoT and other standards include dent repair and remediation criteria broadly based upon dent depth, dent location (top or bottom side), pressure cycling (liquid or gas), and dent interaction with secondary fea

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Alexander, Chris, and Franz Worth. "Assessing the Use of Composite Materials in Repairing Mechanical Damage in Transmission Pipelines." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10482.

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Mechanical damage involving dents with gouges is one of the leading causes of transmission pipeline failures in terms of both static and cyclic pressure loading. Because of the severity of this defect type, pipeline companies are required to respond to these anomalies by either removing damaged sections or repair using welded sleeves. For more than 10 years, composite materials have been used to repair corroded pipelines and their use has gained wide acceptance across the pipeline industry. Numerous systems have been tested with results being presented in the open literature. Testing was recen

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Blyukher, Boris, Tadeusz Niezgoda, Jerzy Malachowski, Wieslaw Szymczyk, St Ochelski, and A. Kiczko. "Laboratory Scale Experimental Simulation of a Pipe Rested on a Saddle Supporting System for Verification of Numerical Modeling." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-3001.

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The paper presents results of preliminary experimental and numerical tests over research and development of the numerical, FEM (Finite Elements Method) based method of pipeline strain/stress condition assessment with the use of data possessed from inline inspection tool. At the beginning, the research is focused on an example of a typical flaw which may be detected in oil or gas transporting pipeline by Geometry Measuring Pipeline Intelligent Gauge (Geo-PIG) during inline inspection. Such a typical flaws are dents and folds in the pipe which rests on a supporting concrete block or other type o

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