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A Promising New Class of High-Temperature Alloys: Eutectic High-Entropy Alloys

Yiping Lu, Yong Dong

2014enhigh-temperaturealloyseutecticentropymaterials

Abstract

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High-entropy alloys (HEAs) feature unique properties distinguished from conventional alloys, yet achieving simultaneous high strength and ductility remains a significant challenge. This study introduces a novel strategy incorporating the eutectic alloy concept to overcome the limitations of HEAs, such as inferior castability and compositional segregation. We designed an AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) characterized by a fine lamellar fcc/B2 microstructure, which demonstrated an exceptional combination of high tensile ductility and fracture strength at room temperature. Notably, the mechanical properties of this EHEA were maintained up to temperatures of 7006°C. This innovative alloy design approach holds promise for advancing the large-scale industrial production of HEAs that exhibit both remarkable fracture strength and ductility.

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Cite This Work

@article{8121ee0e-8bc2-4386-8110-d4c3bc17a54f,
  title={A Promising New Class of High-Temperature Alloys: Eutectic High-Entropy Alloys},
  author={Yiping Lu and Yong Dong},
  year={2014},
  language={en}
}
TY  - JOUR
TI  - A Promising New Class of High-Temperature Alloys: Eutectic High-Entropy Alloys
AU  - Yiping Lu
AU  - Yong Dong
PY  - 2014
LA  - en
ER  -

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