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Interaction between 3D stress corrosion cracks

Touzet M., Lamazouade M., Puiggali M.

Advances in Materials Science

2007

Vol. 7, nr 1(11)

55-60

To predict the time to failure of a structure due to stress corrosion crack network, overall crack growth behavior must be studied. When many cracks are initiated in an enclosed area, neighboring cracks may affect the stress field ahead the crack tips and then affect their crack growth rates. The interactions between cracks depend on their relative positions and on their sizes. The present work presents the experimental behavior of crack networks by in-situ observations and proposed a finite element analysis of interacting 3D cracks.