Novel Co-rich high entropy alloys with superior tensile properties

Novel Co-rich high entropy alloys with superior tensile properties

We developed a series of Co-rich CoxCr25(FeNi)75−x (x = 35, 45, 55, 65) high entropy alloys with improved strength and/or ductility, derived from lowering the stacking fault energy (SFE) and reducing the fcc phase stability of the equiatomic CoCrFeNi alloy. Thermodynamics and ab initio calculations...

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Bibliographic Details
Main Authors: Daixiu Wei, Xiaoqing Li, Weicheng Heng, Yuichiro Koizumi, Feng He, Won-Mi Choi, Byeong-Joo Lee, Hyoung Seop Kim, Hidemi Kato, Akihiko Chiba
Format: Article
Language:English
Published: Taylor & Francis Group 2019-02-01
Series:Materials Research Letters
Subjects:
High entropy alloy
metastable
stacking fault energy
martensitic transformation
deformation twinning
Online Access:http://dx.doi.org/10.1080/21663831.2018.1553803

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