Analysis of fatigue crack initiation in cyclic microplasticity regime
International Journal of Fatigue（2020）
摘要
•Evolution of micro-strain regime during high cycle fatigue crack initiation.•Experimental characterisation of fatigue crack initiation in cyclic microplasticity.•New concept of fatigue crack initiation modelling based on fluctuation field.•The fatigue tests performed for high strength steel specimens with central hole.
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关键词
Fatigue crack initiation,Micro-plasticity,Damage evolution,Optical ESPI method,Micro indentation
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