1. Fracture mechanics testing in linear elasticity
1.1 Theoretical foundations
A part made of an elastic material contains a crack of area A. It is subjected to a force F. The question is whether this crack is stable or propagating. It is subjected to a force F. The question is whether this crack is stable or propagating. It is shown that equilibrium with respect to crack extension is achieved if the so-called available energy rate G is equal to a critical value Gc. G is defined by the formula :
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Fracture mechanics testing in linear elasticity
Tests based on elasto-plastic fracture mechanics
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