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Effect of B content on Microstructure and properties of fe0.25co0.25ni0.25cr0.125mn0.125 high entropy alloy under different casting conditions
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School of Material Science and Engineering,China University of Mining and Technology,Xuzhou

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Fundamental Research Funds for the Central Universities (Grant No. 2018GF13)

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    Abstract:

    In this paper, the (Fe0.25Co0.25Ni0.25Cr0.125Mn0.125)100-xBx (x=8-16, at.%) alloys were prepared by vacuum arc melting, ejection casting into a copper mold and single-roller melt-spinning. The phase composition, microstructure evolution and mechanical properties of the high entropy alloys with different B content were studied under different casting conditions. The results show that the high entropy alloys can be transformed from fcc phase to amorphous phase by controlling B content and cooling rate. In the same casting process, the grains can be refined by adding B content, so that the strength and hardness of the alloys increase with the increase of B content.

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[Zhang Jinyong, Wu Yijin, Zhao Congcong, Chen Changjiu, Zhang Ping, Chen Zheng, Shen Baolong, A. Inoue. Effect of B content on Microstructure and properties of fe0.25co0.25ni0.25cr0.125mn0.125 high entropy alloy under different casting conditions[J]. Rare Metal Materials and Engineering,2021,50(11):4135~4140.]
DOI:10.12442/j. issn.1002-185X.20200927

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History
  • Received:November 30,2020
  • Revised:December 04,2020
  • Adopted:December 23,2020
  • Online: November 30,2021
  • Published: November 24,2021