Particle shape effect on fracture toughness of pp-based particle composite

0318735 - ÚFM 2009 RIV GB eng A - Abstrakt
Knésl, Zdeněk - Hutař, Pavel - Majer, Zdeněk - Náhlík, Luboš
Particle shape effect on fracture toughness of pp-based particle composite.
[Vliv tvaru částice na lomové chování částicového kompozitu.]
5th International Conference on Fracture of Polymers, Composites and Adhesives. Berkshire: Elsevier, 2008. s. 1-1.
[International Conference on Fracture of Polymers, Composites and Adhesives /5./. 07.09.2008-11.09.2008, Les Diablerets]
Grant CEP: GA ČR GA106/07/1284; GA ČR GD106/05/H008; GA AV ČR 1QS200410502
Výzkumný záměr: CEZ:AV0Z20410507
Klíčová slova: polymer composite * particles * interphase
Kód oboru RIV: JL - Únava materiálu a lomová mechanika

The presence of particles in polymer composite significantly influences the cure reaction, resulting in the formation of the third phase known as the interphase, which possesses property distinct from those of the matrix and the particles. In the present contribution the interaction of micro-crack propagating in the matrix filled by rigid particles covered by the interphase is analyzed. The stress distribution was determined for variety of particle size, shape and material properties of the interphase. The corresponding values of the stress intensity factors for a micro-crack lying in the matrix were evaluated.

Přítomnost částic v polymerní matrici způsobuje formování třetí fáze na rozhraní matrice-částice, tzv. mezifázi. V příspěvku je studován vliv mezifáze na lomové chování kompozitu.
Trvalý link: http://hdl.handle.net/11104/0168064