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Description
| - This contribution is focused on particulate composites, namely on composites with polypropylene matrix (PP) and rigid (CaCO3) fillers. Generally, the addition of rigid particles to a polymeric matrix has an embrittling effect on the composite. Using very fine isometric filler of sub-micron range with proper surface treatment and good final dispersion enable to achieve enhancement of toughness without significant reduction of its stiffness. The role of filler size and interphase properties on micro- and macro-behaviour of particulate composites is analysed from the experimental as well theoretical point of view. The attention is focused on fracture toughness and stiffness values. It is concluded that one of the possible sources of a toughening mechanism on micro- level is a blunting of the micro-crack caused by its interaction with coated particles. The results of numerical simulations are compared with relevant results determined experimentally.
- This contribution is focused on particulate composites, namely on composites with polypropylene matrix (PP) and rigid (CaCO3) fillers. Generally, the addition of rigid particles to a polymeric matrix has an embrittling effect on the composite. Using very fine isometric filler of sub-micron range with proper surface treatment and good final dispersion enable to achieve enhancement of toughness without significant reduction of its stiffness. The role of filler size and interphase properties on micro- and macro-behaviour of particulate composites is analysed from the experimental as well theoretical point of view. The attention is focused on fracture toughness and stiffness values. It is concluded that one of the possible sources of a toughening mechanism on micro- level is a blunting of the micro-crack caused by its interaction with coated particles. The results of numerical simulations are compared with relevant results determined experimentally. (en)
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Title
| - Toughness versus stiffness of PP particulate composites modeling and experimental approach
- Toughness versus stiffness of PP particulate composites modeling and experimental approach (en)
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skos:prefLabel
| - Toughness versus stiffness of PP particulate composites modeling and experimental approach
- Toughness versus stiffness of PP particulate composites modeling and experimental approach (en)
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skos:notation
| - RIV/68081723:_____/09:00332105!RIV10-AV0-68081723
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA106/07/1284), P(KJB200410803), Z(AV0Z20410507)
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68081723:_____/09:00332105
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - particulate composite; multiscale modeling; fracture toughness; stiffness (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Hutař, Pavel
- Knésl, Zdeněk
- Majer, Zdeněk
- Náhlík, Luboš
- Nezbedová, E.
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http://linked.open...n/vavai/riv/zamer
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