Suzuki Segregation of Alloying Elements at Stacking Faults In Ag-Based Alloys

14 Pages Posted: 18 Mar 2025

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zhou yi

Hunan Institute of Engineering

Yunlei Xu

Hunan University

Jia Hu

Hunan Institute of Engineering

Da-Dong Wen

Hunan Institute of Engineering

Yong-He Deng

Hunan Institute of Engineering

Yi Chen

Hunan Institute of Engineering

Shuang-Xiang Qi

Hunan Institute of Engineering

Shuang He

Xiangtan University

Ping Peng

Hunan University

Abstract

Computational results demonstrate that the distance between the alloying element and slip plane considerably influences the  value of the Ag supercell. Specifically, doping with Zn, In, and Sn at the slip plane substantially reduces the  value, resulting in the Suzuki effect. Moreover, the addition of W, Ir, and Cr can increase the unstable stacking fault energy ( ) and ideal shear strength ( ) of the Ag supercell in the  slip system, increasing the nucleation energy barrier of  Shockley partial dislocation and enhancing the yield strength of Ag crystals. The  and  values of the Ag supercell in the  slip system increase with the formation enthalpy of point defects (H), indicating that with the increase of H, dislocation motion is impeded and the creep resistance of the Ag crystals is enhanced.

Keywords: Suzuki effect, stacking fault energy, ideal shear strength, Ag-based alloys

Suggested Citation

yi, zhou and Xu, Yunlei and Hu, Jia and Wen, Da-Dong and Deng, Yong-He and Chen, Yi and Qi, Shuang-Xiang and He, Shuang and Peng, Ping, Suzuki Segregation of Alloying Elements at Stacking Faults In Ag-Based Alloys. Available at SSRN: https://ssrn.com/abstract=5183468 or http://dx.doi.org/10.2139/ssrn.5183468

Zhou Yi (Contact Author)

Hunan Institute of Engineering ( email )

China

Yunlei Xu

Hunan University ( email )

2 Lushan South Rd
Changsha, CA 410082
China

Jia Hu

Hunan Institute of Engineering ( email )

China

Da-Dong Wen

Hunan Institute of Engineering ( email )

China

Yong-He Deng

Hunan Institute of Engineering ( email )

China

Yi Chen

Hunan Institute of Engineering ( email )

China

Shuang-Xiang Qi

Hunan Institute of Engineering ( email )

Shuang He

Xiangtan University ( email )

School of Materials Science and Engineering
Xiangtan, Hunan 411105
China

Ping Peng

Hunan University ( email )

2 Lushan South Rd
Changsha, CA 410082
China

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