Modeling of friction and dilatancy effects at brittle interfaces for monotonic and cyclic loading

• Autorzy: Stupkiewicz S. , Mróz Z.
• Języki publikacji: EN

Abstrakty

EN

The most important effects related to monotonic and cyclic response of contact interfaces of brittle materials are analyzed in the paper. Next, the available constitutive models are reviewed with respect to their ability to describe these effects. Several micro-mechanical mechanisms are analyzed including decohesion, interaction of primary and secondary asperites, asperity wear and damage and formation of a third body granular layer. Finally, we propose new formulations of constitutive models for cyclic interface response.

PL

Modelowanie tarcia i dylatacji w kruchych warstwach kontaktowych przy obciążeniach monotonicznych i cyklicznych. Praca zawiera analizę najważniejszych efektów powstających w procesach deformacji kruchych warstw kontaktowych przy obciążeniach monotonicznych i cyklicznych. Dostępne modele konstytutywne poddano krytycznej analizie pod kątem możliwości opisania tych efektów. Rozważono liczne mechanizmy mikromechaniczne, takie jak dekohezja, oddziaływanie pierwotnych i wtórnych nierówności, zużycie i uszkodzenie nierówności oraz powstawanie warstwy trzeciego ciała. Zaproponowano również nowe sformułowanie modeli konstytutywnych dla stanów cyklicznych.

Słowa kluczowe

EN

constitutive models; contact interfaces; friction; dilatancy

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2001
• Tom: Vol. 39 nr 3
• Strony: 707--739
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Stupkiewicz S.

• Institute of Fundamental Technological Research, Polish Academy of Sciences

autor

Mróz Z.

• Institute of Fundamental Technological Research, Polish Academy of Sciences

Bibliografia

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