Enhanced mechanical properties of a CoCrFeNi high entropy alloy by supercooling method

Jinshan Li; Wenjuan Jia; Jun Wang; Hongchao Kou; Dong Zhang; Eric Beaugnon

doi:10.1016/j.matdes.2016.01.112

Enhanced mechanical properties of a CoCrFeNi high entropy alloy by supercooling method

Jinshan Li, Wenjuan Jia, Jun Wang, Hongchao Kou, Dong Zhang, Eric Beaugnon

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

112 引用（Scopus）

摘要

A CoCrFeNi high entropy alloy has been solidified with a high undercooling up to 300 K adopting glass fluxing method. Results show that the compressive yield strength of the alloy is enhanced about 3 times: from 137 MPa for a traditional casting condition to 455 MPa for the samples processed at large undercooling. The enhanced mechanical properties are attributed to both the refined grain size and complex phases obtained through the supercooling method, which appears to be an efficient way to modify the microstructure and improve the properties of high entropy alloys.

源语言	英语
页（从-至）	183-187
页数	5
期刊	Materials and Design
卷	95
DOI	https://doi.org/10.1016/j.matdes.2016.01.112
出版状态	已出版 - 5 4月 2016

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abstract = "A CoCrFeNi high entropy alloy has been solidified with a high undercooling up to 300 K adopting glass fluxing method. Results show that the compressive yield strength of the alloy is enhanced about 3 times: from 137 MPa for a traditional casting condition to 455 MPa for the samples processed at large undercooling. The enhanced mechanical properties are attributed to both the refined grain size and complex phases obtained through the supercooling method, which appears to be an efficient way to modify the microstructure and improve the properties of high entropy alloys.",

keywords = "High entropy alloys, Mechanical properties, Microstructure, Supercooling",

author = "Jinshan Li and Wenjuan Jia and Jun Wang and Hongchao Kou and Dong Zhang and Eric Beaugnon",

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T1 - Enhanced mechanical properties of a CoCrFeNi high entropy alloy by supercooling method

AU - Li, Jinshan

AU - Jia, Wenjuan

AU - Wang, Jun

AU - Kou, Hongchao

AU - Zhang, Dong

AU - Beaugnon, Eric

PY - 2016/4/5

Y1 - 2016/4/5

N2 - A CoCrFeNi high entropy alloy has been solidified with a high undercooling up to 300 K adopting glass fluxing method. Results show that the compressive yield strength of the alloy is enhanced about 3 times: from 137 MPa for a traditional casting condition to 455 MPa for the samples processed at large undercooling. The enhanced mechanical properties are attributed to both the refined grain size and complex phases obtained through the supercooling method, which appears to be an efficient way to modify the microstructure and improve the properties of high entropy alloys.

AB - A CoCrFeNi high entropy alloy has been solidified with a high undercooling up to 300 K adopting glass fluxing method. Results show that the compressive yield strength of the alloy is enhanced about 3 times: from 137 MPa for a traditional casting condition to 455 MPa for the samples processed at large undercooling. The enhanced mechanical properties are attributed to both the refined grain size and complex phases obtained through the supercooling method, which appears to be an efficient way to modify the microstructure and improve the properties of high entropy alloys.

KW - High entropy alloys

KW - Mechanical properties

KW - Microstructure

KW - Supercooling

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DO - 10.1016/j.matdes.2016.01.112

M3 - 文章

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SN - 0264-1275

VL - 95

SP - 183

EP - 187

JO - Materials and Design

JF - Materials and Design

ER -

Enhanced mechanical properties of a CoCrFeNi high entropy alloy by supercooling method

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