散裂
涂层
材料科学
尖晶石
氧化物
腐蚀
合金
冶金
化学工程
复合材料
物理
量子力学
中子
工程类
作者
Jie Lu,Ying Chen,Zhi Jie Sun,Ling Li,Xuanzhen Liu,Aihui Huang,Han Zhang,Fangwei Guo,Xian‐Cheng Zhang,Xiaofeng Zhao
标识
DOI:10.1016/j.corsci.2022.110151
摘要
An AlCoCrFeNiY high-entropy alloy coating was prepared using air plasma spray. The cyclic oxidation behavior of the coating was investigated and compared with that of a conventional NiCoCrAlY coating. It is demonstrated that the AlCoCrFeNiY coating exhibits much stronger resistance to oxidation and spallation than the NiCoCrAlY coating when they are thermally cycled between room temperature and 1050-1150 °C. The difference is attributed to a much lower growth rate of the oxide scale on the AlCoCrFeNiY coating as a result of its significantly higher activation energy of oxidation and the absence of spinel.
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