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The effect of particle properties on crack behaviour in polymer composites
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SYSNO ASEP 0332096 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title The effect of particle properties on crack behaviour in polymer composites Title Vliv částic na chování trhliny v částicovém kompozitu Author(s) Hutař, Pavel (UFM-A) RID, ORCID
Náhlík, Luboš (UFM-A) RID, ORCID
Majer, Zdeněk (UFM-A)
Knésl, Zdeněk (UFM-A)Number of authors 4 Source Title Computational Modelling and Advanced Simulations. - Bratislava : Vydavatelstvo STU v Bratislave, 2009 / Murín J. ; Kutiš V. ; Ďuriš R. - ISBN 978-80-227-3067-9 Pages s. 1-12 Number of pages 12 s. Publication form CD-ROM - CD-ROM Action Computational modelling and advanced simulations 2009 Event date 30.06.2009-03.07.2009 VEvent location Bratislava Country SK - Slovakia Event type WRD Language eng - English Country SK - Slovakia Keywords particulate polymer composite ; mineral filler ; embrittlement ; multiscale modelling ; stiffness Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects KJB200410803 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA106/07/1284 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation Thepresent work is focused mainly on polypropylene based composites filled by mineral fillers, but some results can be generalized for other particle composites. Due to the chemical and physical interaction between matrix and particle a third phase (called interphase) is formed. This region controls adhesion between particles and matrix and plays an important role in the composite material properties. The effect of the interphase and microstructural morphology on the macroscopic characteristics of the composite is primarily studied. Generally, the addition of the mineral filler to the polymer matrix leads to embrittlement of the composite. It is shown that properties of the interphase control both the stiffness and embrittlement of the particulate composite. In some cases of the microscopic particle size and specific interphase properties the addition of a mineral filler can lead to a good balance between fracture toughness and stiffness. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2010
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