期刊
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷 23, 期 3, 页码 735-741出版社
ELSEVIER
DOI: 10.1016/S1003-6326(13)62523-6
关键词
high-entropy alloy; microstructure; heat treatment; stable phase; hardness; corrosion resistance
资金
- Program for New Century Excellent Talents in University, China [NCET-11-0127]
- Fundamental Research Funds for the Central Universities, China
Effects of Al content and heat treatment on the structure, hardness and electrochemical properties of FeCoNiCrCu0.5Alx high-entropy alloys were investigated. The phase structure of as-cast alloys evolves from FCC phase to BCC phase with the increase of Al content. The stable phase of FeCoNiCrCu0.5Al, high-entropy alloys will transform from FCC phase to FCC+BCC duplex phases when x value increases from 0.5 to 1.5. The hardness of BCC phase is higher than that of FCC phase, and the corrosion resistance of BCC phase is better than FCC phase in chlorine ion and acid medium. High hardness and good corrosion resistance can be obtained in as-cast FeCoNiCrCu0.5Al1.0 alloy.
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