Tensile and fatigue behaviors of hybrid laser welded A7N01 alloy with repairing for railway vehicles

Zhengkai Wu, Xiru Zhou,Ni Ao,Xiaohui Han,Zongtao Zhu,Shengchuan Wu

Engineering Failure Analysis（2023）

引用 3|浏览8

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摘要

•Hybrid laser heat source was selected for repairing of hybrid laser welded A7N01 alloy.•Defects in original joints were effectively eliminated by hybrid laser heat source.•HCF property with a little increase can be obtained compared with original joints.

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关键词

Defect repair,Microstructure,Mechanical properties,Fatigue performance,High speed train

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