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Effect of Heat Treatment Temperature on Microstructure and Properties of FeCoNiCuTi High–Entropy Alloy

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Abstract

In the present work, FeCoNiCuTi high-entropy alloy (HEA) was heat-treated at different temperatures. After heat treatment at different temperatures, the crystal structure maintained its FCC + Laves phase structure. The saturation magnetization increased by 56% to 53.8 emu·g−1, and the coercivity did not change. At 950 °C, the maximum strain value was 12.4%, which was approximately 4 times that of the as-cast alloy. The magnetic and mechanical properties of the FeCoNiCuTi HEA were much better after heat treatment. The FeCoNiCuTi HEA had very good thermal stability.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Nos: 51771044 and 51871042); Scientific and Technological Research Projects of Colleges and Universities in Hebei Province (No. ZD2015213).

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Author notes

  1. Minglong Gong and Huaizhi Qu these authors contributed equally to this work and should be considered co-first authors.

Authors and Affiliations

  1. School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, People’s Republic of China

    Minglong Gong, Wen Guo, Keyi Wang, Fengfang Liu, Jing Bai, Qiuzhi Gao, Xiang Zhao & Song Li

  2. School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, People’s Republic of China

    Minglong Gong, Wen Guo, Keyi Wang, Fengfang Liu, Jing Bai & Qiuzhi Gao

  3. CRRC Qingdao Sifang Rolling Stock Research Institute CO., LTD., Qingdao, 266000, People’s Republic of China

    Huaizhi Qu & Chuanlei Xu

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  1. Minglong Gong
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Gong, M., Qu, H., Xu, C. et al. Effect of Heat Treatment Temperature on Microstructure and Properties of FeCoNiCuTi High–Entropy Alloy. Trans Indian Inst Met 75, 1951–1956 (2022). https://doi.org/10.1007/s12666-022-02665-8

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