A New Strategy for the Design of Triple-Phase Eutectic High-Entropy Alloys Based on Infinite Solid Solution and Pseudo-Ternary Method.

Ye, Xicong; Diao, Zhongheng; Kang, Huijun; Li, Zhe; Li, Junhong; Qu, Zixu; Zhao, Guangwei; Li, Bo

Ye, Xicong; Diao, Zhongheng; Kang, Huijun; Li, Zhe; Li, Junhong; Qu, Zixu; Zhao, Guangwei; Li, Bo.

Afiliación

Ye X; Hubei Engineering Research Center for Graphite Additive Manufacturing Technology and Equipment, China Three Gorges University, Yichang 443002, People's Republic of China.
Diao Z; College of Mechanical & Power Engineering, China Three Gorges University, Yichang 443002, People's Republic of China.
Kang H; College of Mechanical & Power Engineering, China Three Gorges University, Yichang 443002, People's Republic of China.
Li Z; Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Dalian University of Technology), Ministry of Education, Dalian 116024, People's Republic of China.
Li J; National Key Laboratory for Precision Hot Processing of Metals. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
Qu Z; College of Mechanical & Power Engineering, China Three Gorges University, Yichang 443002, People's Republic of China.
Liang Wang; College of Mechanical & Power Engineering, China Three Gorges University, Yichang 443002, People's Republic of China.
Zhao G; National Key Laboratory for Precision Hot Processing of Metals. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
Li B; Hubei Engineering Research Center for Graphite Additive Manufacturing Technology and Equipment, China Three Gorges University, Yichang 443002, People's Republic of China.

Nano Lett ; 24(20): 6117-6123, 2024 May 22.

Article en En | MEDLINE | ID: mdl-38717393

ABSTRACT

ABSTRACT

Eutectic high-entropy alloys (EHEAs) have combined both high-entropy alloys and eutectic alloy contributions, with excellent castability and high-temperature application potential. Yet, multielement/triple-phase eutectic high-entropy alloy (TEHEA) designs remain puzzling. This work proposed a new strategy based on an infinite solid solution and pseudo-ternary model to reveal the puzzle of TEHEAs. The designed triple-phase eutectic high-entropy alloys (TEHEAs) with more than seven elements were identified as face-centered cubic (FCC), ordered body-centered cubic (B2), and Laves phase structures. In this work, the alloy C showcases outstanding comprehensive mechanical properties, offering a novel avenue for the design of high-performance EHEAs.

Palabras clave

Eutectic high-entropy alloy; Mechanical properties; Microstructure; Triple-phase eutectic

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