The effects of residual stress on elastic-plastic fracture propagation and stability

The effects of residual stress on elastic-plastic fracture propagation and stability Residual stresses in materials affect their resistance to the initiation of fracture and to subsequent crack growth. Using full-field strain measurements and finite element analysis we demonstrate that the effect of residual stress on a material's crack growth resistance curve can be understood using elastic-plastic fracture mechanics. It is shown that Lei's modified J-integral formulation (Jmod) is a good predictor of the load vs crack extension behaviour of an elastic-plastic material containing residual stresses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Materials & design Elsevier

The effects of residual stress on elastic-plastic fracture propagation and stability

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Publisher
Elsevier
Copyright
Copyright © 2018 The Authors
ISSN
0264-1275
eISSN
0141-5530
D.O.I.
10.1016/j.matdes.2018.01.064
Publisher site
See Article on Publisher Site

Abstract

Residual stresses in materials affect their resistance to the initiation of fracture and to subsequent crack growth. Using full-field strain measurements and finite element analysis we demonstrate that the effect of residual stress on a material's crack growth resistance curve can be understood using elastic-plastic fracture mechanics. It is shown that Lei's modified J-integral formulation (Jmod) is a good predictor of the load vs crack extension behaviour of an elastic-plastic material containing residual stresses.

Journal

Materials & designElsevier

Published: Apr 5, 2018

References

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