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EFFECT OF RANDOM DISTRIBUTION AND SHORT-RANGE ORDERING OF SOLUTES ON THE MECHANICAL PROPERTIES OF NANOCRYSTALLINE Cu–Ag ALLOYS

Author

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  • FENG ZHANG

    (School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing, Jiangsu 211167, P. R. China†Department of Mechanical and Power Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, P. R. China)

  • QIAOYUN TANG

    (School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing, Jiangsu 211167, P. R. China)

  • YOURAN ZHI

    (School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing, Jiangsu 211167, P. R. China)

  • DEYONG WANG

    (��Xinjiang Lianhai Chuangzhi Information Technology Co., Ltd., Urumqi, Xinjiang 830011, P. R. China)

  • LIU YANG

    (School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing, Jiangsu 211167, P. R. China)

Abstract

The effects of solute random distribution (RSS) before relaxation and solute short-range ordering (SRO) after relaxation on the mechanical behavior of nanocrystalline Cu–Ag alloys were analyzed by molecular dynamics simulation. It has been found that the mechanical properties of Cu–Ag alloy mechanics with SRO were better than those of Cu–Ag alloy mechanics with RSS. Specifically, during the whole tensile process, compared with sample #1 with SRO structure, sample #2 with RSS structure has stronger strain–stress response ability, more obvious phase transformation process, and narrower shear strain zone on the grain boundary. Furthermore, when the number of Voronoi seeds is examined concerning the mechanical properties of the nanocrystalline Cu–Ag alloy, it becomes apparent that the average flow stress drops as the quantity of Voronoi seeds increases.

Suggested Citation

  • Feng Zhang & Qiaoyun Tang & Youran Zhi & Deyong Wang & Liu Yang, 2024. "EFFECT OF RANDOM DISTRIBUTION AND SHORT-RANGE ORDERING OF SOLUTES ON THE MECHANICAL PROPERTIES OF NANOCRYSTALLINE Cu–Ag ALLOYS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 31(12), pages 1-5, December.
    • Handle: RePEc:wsi:srlxxx:v:31:y:2024:i:12:n:s0218625x24501002
    DOI: 10.1142/S0218625X24501002
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