Very high cycle fretting fatigue behavior of IN718 reinforced by IN625/20 % WC laser cladding

Jian Wang,Zhiyong Huang,Jiebin Shen,Hongjiang Qian,Zeshuai Shen,Guangling Han

International Journal of Fatigue（2023）

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摘要

•IN718 reinforced by IN625/20 % WC laser cladding is used to complete the VHCFF experiment in high temperature.•The optimal process parameters of IN625/20 % WC cladding material are generated.•WC particles can enhance the contact surface's anti-fatigue performance, which is proportional to the contact area.•The predicted crack based on the critical plane method matches the physical crack in the same load condition.

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关键词

IN718,Laser cladding,Fretting fatigue,Critical plane method,Crack propagation path

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