Dissertations / Theses on the topic 'Fatigue of polymer foams'
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Le, Bail Jean-Baptiste. "Modélisation du comportement mécanique sous chargement d’une butée d’amortisseur en mousse de polyuréthane : vers une démarche de dimensionnement en fatigue." Electronic Thesis or Diss., Brest, École nationale supérieure de techniques avancées Bretagne, 2022. http://www.theses.fr/2022ENTA0003.
Full textPolyurethane foam jounce bumpers are widely used in the automotive industry. Their main function is to absorb vertical shocks to the wheels and contribute to the integrity of the vehicle suspension. The mechanical response of this type of parts implies to take into account different mechanisms, from the buckling of the walls of the part to the self-contact through the geometrical non-linearities. The current characterization of these polyurethane foam jounce bumpers in fatigue is currently limited to the customer’s specifications and to the tests predefined by him. The objective of this thesis is to carry out a complete experimental characterization of the mechanical behavior in order to identify an Hyperfoam type behavior law. This characterization is also based on imaging techniques, SEM and tomographic, in order to characterize the link between the microstructure and the mechanical behavior of the jounce bumper. This study should allow to define a global approach for the fatigue design of polyurethane foam jounce bumper
Fan, Haibo. "HfC structural foams synthesized from polymer precursors." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Fall/Dissertation/FAN_HAIBO_30.pdf.
Full textBhattacharya, Subhendu, and subhendu bhattacharya@rmit edu au. "Development of macro/nanocellular foams in polymer nanocomposites." RMIT University. Civil, Environmental and Chemical Engineering, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20100122.114345.
Full textClarke, Alexander E. S. "Microwave techniques for the preparation of polymer foams." Thesis, University of Manchester, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488321.
Full textAsik, Emin Erkan. "Characterization And Fatigue Behaviour Of Ti-6al-4v Foams." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614570/index.pdf.
Full textm were mixed with spherical magnesium powders sieved to an average size of 375 &mu
m, and then the mixtures were compacted with a hydraulic press under 500 MPa pressure by using a double-ended steel die and finaly, the green compacts were sintered at 1200
Twite, Kabamba Eddy. "Polymer foams and composites recycling : Rheological and Macromolecular Investigations." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27578/27578.pdf.
Full textTalal, Sina. "Effect of long-term compression on rigid polymer foams." Thesis, Kingston University, 1999. http://eprints.kingston.ac.uk/20640/.
Full textChen, Linling. "Developing Constitutive Equations for Polymer Foams Under Cyclic Loading." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1354739399.
Full textShishesaz, Mohammad Reza. "Structure-property relationships in extruded plastics foams." Thesis, Brunel University, 1989. http://bura.brunel.ac.uk/handle/2438/5404.
Full textQuell, Aggeliki [Verfasser]. "Monodisperse Emulsions as Template for Highly Structured Polymer Foams / Aggeliki Quell." Aachen : Shaker, 2017. http://d-nb.info/1138178152/34.
Full textDarr, Shehla. "Compression recovery of rigid polymer foams following confinement at elevated temperature." Thesis, Kingston University, 2007. http://eprints.kingston.ac.uk/20383/.
Full textZhong, Chong. "Pressure Chamber Experiments to Determine Triaxial Material Properties of Polymer Foams." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1556265641540063.
Full textDi, Prima Matthew Allen. "Thermo-mechanical and micro-structural characterization of shape memory polymer foams." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28178.
Full textCommittee Chair: Gall, Ken; Committee Co-Chair: McDowell, David; Committee Member: Guldberg, Robert; Committee Member: Sanderson, Terry; Committee Member: Shofner, Meisha; Committee Member: Tannenbaum, Rina.
Bonin, Michael. "An investigation into the properties of starch-based foams." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/6872.
Full textZeng, Changchun. "Synthesis, Structure And Properties Of Polymer Nanocomposites." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1078245607.
Full textKohlhoff, Dominik. "Experimental Preparation of Microcellular Polymer Blend Foams by Exploiting Structural non-Homogeneity." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/165027.
Full textKing, Nathan H. "Vapor-liquid Equilibrium of Polymer Solutions During Thermal Decomposition of Rigid Foams." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2538.pdf.
Full textJovic, Kristina Julia. "New pathways to polymethacrylimide (PMI) foams." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/203746/1/Kristina_Jovic_Thesis.pdf.
Full textCarroll, H. "Fatigue damage mechanisms in advanced polymer matrix composites." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597310.
Full textKearney, Andrew V. "Fracture and fatigue of ultrathin nanoporous polymer films /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.
Full textWu, Jie. "Extraction of chitin nanofibers and utilization for sustainable composites and foams." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54006.
Full textHossieny, Nemat. "Morphology and properties of polymer/carbon nanotube nanocomposite foams prepared by supercritical carbon dioxide." Tallahassee, Florida : Florida State University, 2010. http://etd.lib.fsu.edu/theses/available/etd-01062010-162530/.
Full textAdvisor: Changchun Zeng, Florida State University, College of Engineering, Dept. of Industrial and Manufacturing Engineering. Title and description from dissertation home page (viewed on July 16, 2010). Document formatted into pages; contains xi, 75 pages. Includes bibliographical references.
Graeber, Nadine. "A study of fundamentals in emulsion templating for the preparation of macroporous polymer foams." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/27245.
Full textHernodh, Svantesson Isabelle. "Thermally insulating carbon foams from carbonized kraft lignin." Thesis, KTH, Fiber- och polymerteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300749.
Full textCarbon materials, such as carbon fibres and carbon foams, are used as thermal insulators in high-temperature applications. At present, these materials are derived from fossil-based sources, which suggests a need of finding alternatives candidates based on renewables. This thesis work investigated the possibility of using kraft lignin as a renewable starting material for the preparation of carbon foams with thermal insulation properties. Two softwood kraft lignins with different molecular weights and a hardwood kraft lignin were used. The three kraft lignins were carbonized at 1000°C after being mixed in different ratios and combinations (precursor formulation). The precursor formulation affected the density and porosity of the obtained materials, which in turn led to differences in compression strength and thermal conductivity of the carbon foams derived. The obtained carbon foams had different thermal conductivities (0.11-0.35 W/mK), porosity (80.55-97.53%) and density (0.08-0.42 g/cm3). For the foam with the highest density, the crushing strength was estimated to approximately 10.03 MPa which is comparable to commercially used carbon foams for high-temperature insulating applications. The thermal conductivity of the prepared carbon foams was in the range of commercially used carbon foams for high-temperature applications. This work demonstrates the possibility of preparing carbon foams from 100% kraft lignin which has properties similar of commercially available insulating materials for high-temperature applications.
Annapragada, Sriram Kiran. "Mechanism of Foaming on Polymer-Paperboard Composites." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19790.
Full textIslam, Md Zahirul. "Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31577.
Full textDittenber, David Brian. "Fatigue of polymer composites life prediction and environmental effects /." Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/10888.
Full textTitle from document title page. Document formatted into pages; contains xii, 138 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 116-120).
Nar, Mangesh. "Structural, Thermal and Acoustic Performance of Polyurethane Foams for Green Buildings." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699971/.
Full textKutay, Susan Michelle. "The physical and rheological properties of polymer-thickened foams in bulk and in porous media." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0016/NQ54795.pdf.
Full textTestouri, Aouatef. "Highly structured polymer foams from liquid foam templates using millifluidic lab-on-a-chip techniques." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00771862.
Full textTong, Xiaolong. "A Constitutive Model for Crushable Polymer Foams Used in Sandwich Panels: Theory and FEA Application." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1596806015399848.
Full textForest, Charlène. "Preparation of nano-cellular foams from nanostructured polymer materials by means of CO2 foaming process." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10250.
Full textThis work focuses on the fabrication of nano-cellular polymer materials by means of a CO2 batch foaming process. To produce such materials, the foaming has to be induced in nano-structured polymer materials in order to favour heterogeneous nucleation and thus to obtain high nucleation rate and high cell density. The foaming of ABS terpolymers and nanostructured PMMAs was investigated, with the aim of producing nano-cellular foams with low density (lower than 0.3 g.cm-3) and an average cell size of 100 nm, which corresponds to required foam morphologies for super thermal insulating applications. It has been shown that nucleation, and thus cell density, directly depends on the content and morphology of nucleating agents, corresponding to dispersed polymer immiscible phases. The production of nano-cellular materials required the understanding of cell growth mechanisms, the role of CO2 as blowing agent and plasticiser and process optimisation. Specifically, the influence of viscoelastic behaviour of polymer materials and surface forces on cell formation was also investigated. It was found that the foaming occurred in viscoelastic media, with transitional behaviour between solid and liquid, depending on foaming temperature and molar mass of polymers
Liu, Liu. "Durability of Polymer Composite Materials." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14002.
Full textSvagan, Anna. "Bio-inspired cellulose nanocomposites and foams based on starch matrix." Doctoral thesis, KTH, Biokompositer, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9666.
Full textQC 20100913
Guzek, John S. (John Stephen). "Fatigue crack propagation along polymer-metal interfaces in microelectronic packages." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/41401.
Full textMortazavian, Seyyedvahid. "Fatigue Behavior and Modeling of Short Fiber Reinforced Polymer Composites." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1437787779.
Full textVanHouten, Desmond J. "Benign Processing of High Performance Polymeric Foams of Poly(arylene ether sulfone)." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/30014.
Full textPh. D.
Salman, Marwan A. [Verfasser], and Siegfried [Akademischer Betreuer] Schmauder. "Multiscale modelling of nano-clay filled shape memory polymer foams / Marwan A. Salman ; Betreuer: Siegfried Schmauder." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2020. http://d-nb.info/120659053X/34.
Full textGallocher, Siobhain Lynn. "Durability Assessment of Polymer Trileaflet Heart Valves." FIU Digital Commons, 2007. http://digitalcommons.fiu.edu/etd/54.
Full textUleck, Kevin R. "A hybrid model for fatigue life estimation of polymer matrix composites." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3312.
Full textThesis research directed by: Aerospace Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Haqu, Ziaul. "Fatigue behavior of plasma spray coatings on polymer matrix composite materials." Thesis, Wichita State University, 2008. http://hdl.handle.net/10057/2103.
Full textWichita State University, College of Engineering, Dept. of Mechanical Engineering
Includes bibliographic references (leaves 42-43)
Lancaster, I. M. "Influence of polymer modification on cracking and fatigue of asphalt mixtures." Thesis, University of Liverpool, 2016. http://livrepository.liverpool.ac.uk/3001738/.
Full textYari, Boroujeni Ayoub. "Fatigue, Fracture and Impact of Hybrid Carbon Fiber Reinforced Polymer Composites." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/84223.
Full textPh. D.
Haqu, Ziaul Ahmed Ikram. "Fatigue behavior of plasma spray coatings on polymer matrix composite materials." A link to full text of this thesis in SOAR, 2008. http://hdl.handle.net/10057/2103.
Full textDabrowski, Miriam Lucia [Verfasser], and Cosima [Akademischer Betreuer] Stubenrauch. "Tailor-made methacrylate-based polymer foams via emulsion and foamed emulsion templating / Miriam Lucia Dabrowski ; Betreuer: Cosima Stubenrauch." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2020. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-117101.
Full textOfori-Abebresse, Edward Kwame. "Fatigue resistance of hot-mix asphalt concrete (HMAC) mixtures using the calibrated mechanistic with surface energy (CMSE) measurements approach." Thesis, Texas A&M University, 2006. http://hdl.handle.net/1969.1/4136.
Full textCartledge, Andrew. "The fatigue of carbon fibre composites containing interlaminar inkjet printed polymer droplets." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19374/.
Full textNapiah, Madzlan B. "Fatigue and long term deformation behaviour of polymer modified hot rolled asphalt." Thesis, University of Leeds, 1993. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.712012.
Full textAbu-Ragheef, Basil. "Polymer Aging Mechanics : An investigation on a Thermoset Polymer used in the Exterior Structure of a Heavy-duty Vehicle." Thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-88887.
Full textCano, Camilo I. "Polyimide Microstructures From Powdered Precursors: Phenomenological and Parametric Studies on Particle Inflation." Akron, OH : University of Akron, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1123710711.
Full text"August, 2005." Title from electronic dissertation title page (viewed 09/24/2005) Includes bibliographical references.