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논문 기본 정보

자료유형
학술저널
저자정보
Yuanyuan Sun (Nanjing University of Aeronautics and Astronautics) Qiang Miao (Nanjing University of Aeronautics and Astronautics) Wenping Liang (Nanjing University of Aeronautics and Astronautics) Kai Zang (Nanjing University of Aeronautics and Astronautics) Yuting Wu (Nanjing University of Aeronautics and Astronautics) Haiyang Yu (Nanjing University of Aeronautics and Astronautics) Mengjuan Yin (Nanjing University of Aeronautics and Astronautics) Xiguang Gao (Ministry of Industry and Information Technology) Yindong Song (Ministry of Industry and Information Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.30 No.1
발행연도
2024.1
수록면
89 - 102 (14page)
DOI
10.1007/s12540-023-01485-9

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The high entropy alloy coating is considered as one of the most promising methods to improve the high-temperature oxidationresistance of titanium aluminum alloys due to its fine mechanical property and thermal stability. However, the high entropyalloy coating prepared so far has poor coating quality, and low coating forming efficiency and there are certain requirementsfor the substrate alloys. To this end, a NiCoCrAl high entropy alloy coating was developed using the double glow plasmaalloying technique on the TiAl alloy. The morphology, phase structure, and high temperature oxidation resistance of thecoating were comprehensively studied. The results indicate that a uniform and dense coating with a single solid solution offace-centered cube phase formed on the alloy surface. Furthermore, isothermal oxidation test was performed, and the oxidationfailure process of the TiAl substrate and the NiCoCrAl-coated sample with different oxidation times was analyzed. It isfound that the coating efficiently prevented the TiAl alloy from degeneration for up to 100 h at 900 °C.

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