3. Crack propagation modeling
3.1 Paris Law
Crack propagation can be described in terms of three main stages:
stage I: crack micropropagation around the K s cracking threshold;
stage II: Paris estate ;
stage III: propagation accelerates as K max approaches the critical FIC value, K IC . Above K IC , unstable fracture occurs.
Figure 10 describes these...
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Crack propagation modeling
Application to the design of aeronautical structures
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