Achieving high strength and ductility in Fe50Mn25Ni10Cr15 medium entropy alloy via Al alloying

Zhen Jiang,Ran Wei, Wenzhou Wang,Mengjia Li,Zhenhua Han,Shuhan Yuan,Kaisheng Zhang, ChenChen,Tan Wang,Fushan Li

Journal of Materials Science & Technology（2022）

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摘要

•(Fe50Mn25Ni10Cr15)100-xAlx (x=0–8 at.%) medium-entropy alloys (MEAs) were prepared.•x = 5–7 alloys were mixtures of FCC and BCC phases.•The mechanical properties of the x=5 alloy are superior to most of the HEAs and MEAs.•The strengthening mechanisms of the x=5 and 7 alloys were clarified.

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关键词

Medium entropy alloys,Microstructure,Mechanical properties,Cryogenic temperature

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