Abstract:A bstractThe elementary mechanisms of deformation under fatigue stress are analysed in a stainless steel bicrystal by transmission electron microscopy. Attention is paid to the interaction between lattice dislocations and a ferrite±austenite interface oriented very near the Kurdjumov±Sachs orientation relationship. Results di er according to whether the notch is located in the a phase or in the g phase. Only in the bicrystal notched in the a phase was transmission of dislocations across the interface into the … Show more
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