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Role of pyrolysis conditions on fracture behaviour of fibre reinforced Composites
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SYSNO ASEP 0355781 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Role of pyrolysis conditions on fracture behaviour of fibre reinforced Composites Author(s) Chlup, Zdeněk (UFM-A) RID, ORCID
Černý, Martin (USMH-B) RID, ORCID, SAI
Strachota, Adam (UMCH-V) RID, ORCID
Dlouhý, Ivo (UFM-A) RID, ORCIDSource Title Key Engineering Materials - ISSN 1013-9826
Roč. 465, - (2011), s. 455-458Number of pages 4 s. Language eng - English Country CH - Switzerland Keywords CMCs ; fracture toughness ; heat treatment Subject RIV JH - Ceramics, Fire-Resistant Materials and Glass R&D Projects GA106/09/1101 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) AV0Z40500505 - UMCH-V (2005-2011) AV0Z30460519 - USMH-B (2005-2011) UT WOS 000291704700106 DOI 10.4028/www.scientific.net/KEM.465.455 Annotation Fracture response of matrix prepared by pyrolysis of polysiloxane resin used for composite reinforced by long fibres was the main goal of this contribution. A set of composites with matrix prepared by partial pyrolysis of polysiloxane resin was studied. An effect of pyrolysis temperature on the composite behaviour and fracture resistance was monitored. An optimal procedure of pyrolysis was established. Heat treatment at 1550°C in air atmosphere was conducted on fully pyrolysed matrix to explore its high temperature potential. Determination of reliable parameters characterising microstructural changes in the matrix by instrumented indentation technique was used. Both optical and scanning electron microscopy was employed in microstructural observations and fracture mechanism qualification. Observation of indents and associated cracking caused by microstructural changes as well as 3D surface reconstruction using confocal microscopy was employed. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2011
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