The effect of laser shock peening on very high cycle fatigue properties of laser welded 2A60 aluminum alloy joints

Feijuan Wen,Zhang Long,Zhiguo Xing, Xin Liu, Xinjing Huang, Lei Zhou

Engineering Fracture Mechanics（2023）

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摘要

•Cyclic ethanol was used to cool VHCF samples, which improved the cooling efficiency and avoided corrosion.•The remanufacturing method of 2A60 aluminum alloy is innovatively combined with laser welding technology and LSP.•The strengthening mechanism of LSP is discussed in terms of dislocation strengthening and residual stress.

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关键词

Laser shock peening,Very high cycle fatigue,Laser welding,2A60 aluminum alloy

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