3. Local approach to fracture mechanics
The local approach [6] consists in comparing the state of local stresses and strains in a part, particularly at the end of a crack, with a local criterion that differs according to the fracture mechanism: cleavage or ductile-facies fracture by initiation, growth and coalescence of cavities (see
[M 4 165]
). This makes it possible to predict the fracture of a part, or the behavior of a cracked part,...
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Local approach to fracture mechanics