Volume 38 Issue 2
Apr.  2023
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HOU Lili, GUO Qiang, YAO Yuhong, LIU Jiangnan. Microstructure and Mechanical Properties of Annealed CoFeNiCrMnBx High Entropy Alloy[J]. Development and Application of Materials, 2023, 38(2): 44-48.
Citation: HOU Lili, GUO Qiang, YAO Yuhong, LIU Jiangnan. Microstructure and Mechanical Properties of Annealed CoFeNiCrMnBx High Entropy Alloy[J]. Development and Application of Materials, 2023, 38(2): 44-48.
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Microstructure and Mechanical Properties of Annealed CoFeNiCrMnBx High Entropy Alloy

  • 1. Shaanxi Polytechnic Institute, Xianyang 712000, China;

  • 2. Western Superconducting Technologies Co., Ltd., Xi'an 710018, China;

  • 3. Xi'an Technological University, Xi'an 710021, China

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  • Received Date: September 14, 2022
  • Available Online: May 05, 2023
    Graphical Abstract
    • Abstract
  • CoFeNiCrMnB<i>x high entropy alloy is prepared by vacuum arc melting furnace and annealed. The results show that when the CoFeNiCrMnB0.15 and CoFeNiCrMnB0.20 alloys are annealed at 1 100 ℃ for 20 hours, their interdendritic structures are granular Cr2B phase, and that the granular Cr2B phase increases with the increase of B content. The yield strength and tensile strength of CoFeNiCrMnB0.20 alloy are 496 MPa and 890 MPa, which are 104.0% and 79.4% higher than those of the as cast CoFeNiCrMn alloy.
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    • References (10)
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