It is shown that the fundamental concepts of fractal fracture mechanics can be applied both to polymers and polymeric composites and to metals and ceramics. The critical crack opening displacement can be chosen as a scale of fracture of polymeric materials. The results obtained for polymers and polymeric composites are described by the same sigmoidal dependence, which means that the regularities of fracture processes in these materials are common.
机构:
St Petersburg State Univ, Math & Mech Fac, Elast Dept, St Petersburg 198504, RussiaSt Petersburg State Univ, Math & Mech Fac, Elast Dept, St Petersburg 198504, Russia
Kashtanov, A
Petrov, Y
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机构:
St Petersburg State Univ, Math & Mech Fac, Elast Dept, St Petersburg 198504, RussiaSt Petersburg State Univ, Math & Mech Fac, Elast Dept, St Petersburg 198504, Russia