About: Microfillers and fracture toughness of PP

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The mechanical properties of block copolymer PP matrix and mineral fillers are depended not only on the fillers content but also on its shape. Influence of two types of fillers (Talc, Kaolin) and two mass contents (20% and 35%) on the stiffness, strength and toughness were investigated. Tensile test was applied to estimate the tensile properties. The fracture mechanics approach was chosen to describe the toughness of the system. Particularly, the J-R curve procedure was used. The results were reviewed with microscopy observation. The high aspect ratio and high degree of orientation of talc along the tensile direction are responsible for the observed significant improvement in modulus and yield strength. The consequence of this behaviour is the embrittlement of this system. In the case of PP/kaolin composites less improvement in modulus and lower yield strength was observed. Fracture toughness was close to values of the native PP. The mechanical properties of block copolymer PP matrix and mineral fillers are depended not only on the fillers content but also on its shape. Influence of two types of fillers (Talc, Kaolin) and two mass contents (20% and 35%) on the stiffness, strength and toughness were investigated. Tensile test was applied to estimate the tensile properties. The fracture mechanics approach was chosen to describe the toughness of the system. Particularly, the J-R curve procedure was used. The results were reviewed with microscopy observation. The high aspect ratio and high degree of orientation of talc along the tensile direction are responsible for the observed significant improvement in modulus and yield strength. The consequence of this behaviour is the embrittlement of this system. In the case of PP/kaolin composites less improvement in modulus and lower yield strength was observed. Fracture toughness was close to values of the native PP. (en)
Title	Microfillers and fracture toughness of PP Microfillers and fracture toughness of PP (en)
skos:prefLabel	Microfillers and fracture toughness of PP Microfillers and fracture toughness of PP (en)
skos:notation	RIV/00216305:26210/07:PU70536!RIV10-GA0-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/07/1284), P(GD106/05/H008)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Veselý, Petr Nezbedová, Eva Vlach, Bohumil
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	433702
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/07:PU70536
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fracture toughness, PP composites (en)
http://linked.open.../riv/klicoveSlovo	Fracture toughness PP composites
http://linked.open...ontrolniKodProRIV	[D92029CB9C6B]
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Multiscale design of advanced materials Toughness of Polyolefins Composites with Micro-fillers
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Veselý, Petr Nezbedová, Eva Vlach, Bohumil
http://localhost/t...ganizacniJednotka	26210

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