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ABSTRACT
In this work, we prepared non-equiatomic high-entropy alloys using mechanical alloying and spark plasma sintering and investigated the microstructural features and mechanical properties. We designed a heat treatment condition to identify the microstructure effect on the mechanical properties and observed the microstructural features by X-ray diffraction. A quantitative phase analysis was carried out by electron backscatter diffraction, and the mechanical properties were measured by a tensile test. It was found that the microstructural change due to plastic deformation depended on the grain size. In addition, we discuss the phase stability of the FeMnCoCrC alloy depending on the microstructural characteristics.
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No potential conflict of interest was reported by the author(s).
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Notes on contributors
Namhyuk Seo
Namhyuk Seo is a Ph.D. student in the Division of Advanced Materials Engineering, Jeonbuk National University.
Gwanghun Kim
Gwanghun Kim is a M.S. student in the Division of Advanced Materials Engineering, Jeonbuk National University.
Seunggyu Choi
Seunggyu Choi is a M.S. student in the Division of Advanced Materials Engineering, Jeonbuk National University.
Junhyub Jeon
Junhyub Jeon is a Ph.D. student in the Division of Advanced Materials Engineering, Jeonbuk National University.
Min-Suk Oh
Min-Suk Oh is a professor in the Division of Advanced Materials Engineering, Jeonbuk National University.
Seung Bae Son
Seung Bae Son is a research professor in the Division of Advanced Materials Engineering, Jeonbuk National University.
Seok-Jae Lee
Seok-Jae Lee is a professor in the Division of Advanced Materials Engineering, Jeonbuk National University.