Influence of post-process heat treatments on the fatigue crack propagation behaviour of a PBF-LB/M AlSi10Mg alloy

Ilaria Roveda,Itziar Serrano-Munoz,Jan Haubrich,Guillermo Requena,Mauro Madia

International Journal of Fatigue（2023）

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摘要

•Cyclic R-curves are obtained after heat treatments at 265 and 300 °C.•The heat treatments enhance the fatigue crack propagation threshold.•Crack closure is the underlying mechanism for the improved crack growth resistance.•Residual stress is not deemed a determining factor.

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关键词

fatigue crack propagation behaviour,post-process

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