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Author:

An, Zibing (An, Zibing.) | Mao, Shengcheng (Mao, Shengcheng.) (Scholars:毛圣成) | Liu, Yinong (Liu, Yinong.) | Wang, Li (Wang, Li.) | Zhou, Hao (Zhou, Hao.) | Gan, Bin (Gan, Bin.) | Zhang, Ze (Zhang, Ze.) | Han, Xiaodong (Han, Xiaodong.) (Scholars:韩晓东)

Indexed by:

EI Scopus SCIE CSCD

Abstract:

This paper reports a synergistic design of high-performance BCC high-entropy alloy based on the combined consideration of the principles of intrinsic ductility of elements, maximum atomic size difference for solid solution strengthening and the valence electron concentration criterion for ductility. The single-phase BCC HfNbTaTiV alloy thus designed exhibited a high compressive yield strength of 1350 MPa and a high compressive ductility of >45 % at the room temperature. This represents a 50 % increase in yield strength relative to a HfNbTaTiZr alloy. This is attributed to the maximized solid solution strengthening effect caused by lattice distortion, which is estimated to be 1094 MPa. The alloy was also able to retain 53 % of its yield strength and 77 % of its ductility at 700 degrees C. These properties are superior to those of most refractory BCC high-entropy alloys reported in the literature. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.

Keyword:

Solid solution strengthening High-entropy alloy Strengthening mechanism Mechanical properties

Author Community:

  • [ 1 ] [An, Zibing]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 2 ] [Mao, Shengcheng]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Li]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Ze]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 5 ] [Han, Xiaodong]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
  • [ 6 ] [Liu, Yinong]Univ Western Australia, Dept Mech Engn, Perth, WA 6009, Australia
  • [ 7 ] [Zhou, Hao]Nanjing Univ Sci & Technol, Nano & Heterogeneous Struct Mat Ctr, Sch Mat Sci & Engn, Nanjing 210094, Peoples R China
  • [ 8 ] [Gan, Bin]Cent Iron & Steel Res Inst, Beijing Key Lab Adv High Temp Mat, Beijing 100081, Peoples R China
  • [ 9 ] [Zhang, Ze]Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310058, Peoples R China

Reprint Author's Address:

  • 毛圣成

    [Mao, Shengcheng]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China;;[Liu, Yinong]Univ Western Australia, Dept Mech Engn, Perth, WA 6009, Australia

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Source :

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY

ISSN: 1005-0302

Year: 2021

Volume: 79

Page: 109-117

1 0 . 9 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:116

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 117

SCOPUS Cited Count: 131

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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