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Subject Keyword Abstract Author
 
 
Variable amplitude fatigue crack growth behavior – a short overview

Konjengbam Darunkumar Singh*, Matthew Roger Parry, Ian Sinclair
The Journal of Mechanical Science and Technology, vol. 25, no. 3, pp.663-673, 2011

Abstract : A short overview concerning variable amplitude (VA) fatigue crack growth behavior is presented in this paper. The topics covered in this review encompass important issues pertaining to both single and repeated overload transients. Reviews on transient post overload effects such as plasticity induced crack closure, crack tip blunting, residual stresses, crack deflection and branching, activation of near threshold mechanisms, strain hardening are highlighted. A brief summary on experimental trends and finite element modelling of overload induced crack closure is also presented.

Keyword : Fatigue crack growth; Variable amplitude; Crack closure; Finite element modelling
 
 
 
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