Temperature-dependent critical resolved shear stress model for (Cu–Au)–Co alloys in pure shear mode

Jianzuo MaCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Weiguo LiCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, ChinaCorrespondence[email protected]

Jiaxing ShaoCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Yong DengCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Xianhe ZhangCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Haibo KouCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Peiji GengCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Xuyao ZhangCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

Ying LiCollege of Aerospace Engineering, Chongqing University, Chongqing, China;State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China

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Abstract

Based on a limited energy storage viewpoint proposed by our team, it is assumed that there is a maximum constant value for the maximum storage of energy per unit volume when dislocation slip starts in a metal. A temperature-dependent critical resolved shear stress (CRSS) model without any fitting parameters is developed for metals in a pure shear mode. The CRSSs of Cu, Cu–Au, Cu–Co and Cu–Au–Co in the pure shear mode are predicted, and are in excellent agreement with the experimental results. This work offers an approach to predict the temperature-dependent CRSS for metals in the pure shear mode.

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Acknowledgement

The author acknowledges the valuable comments and discussions provided by the reviewers and editors. Thanks also go to Fusenig and Nembach for the report on the experimental data of the CRSS of pure Cu and Cu alloys.

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Temperature-dependent critical resolved shear stress model for (Cu–Au)–Co alloys in pure shear mode

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Temperature-dependent critical resolved shear stress model for (Cu–Au)–Co alloys in pure shear mode

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