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Eutectic high entropy alloy syntactic foam
Journal of Materials Science & Technology, 2023 High strength metallic foams have a wide range of applications in engineering as lightweight structural and energy absorbing materials. However, it is challenging to obtain metallic foam with both good energy absorption performance and high strength ...
Jin Meng +7 more
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Seaweed eutectic-dendritic solidification pattern in a CoCrFeNiMnPd eutectic high-entropy alloy
Intermetallics, 2017Abstract A CoCrFeNiMnPd eutectic high-entropy alloy was designed and prepared. A unique eutectic-dendritic solidification pattern was observed in the as-cast alloy. Heretofore, this kind of pattern was rarely reported no matter in binary or multi-component alloys. Through a series of experimental characterization and theoretical analysis, it could be
Jinshan Li, Jun Wang, Hongchao Kou
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, 2022 Eutectic high-entropy alloys (EHEAs), as a subclass of high-entropy alloys (HEAs), exhibit various excellent mechanical, physical, and anti-corrosion properties as well as excellent castability, which are becoming one of the research frontiers in the ...
Wenna Jiao +3 more
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Spheroidization behaviour of a Fe-enriched eutectic high-entropy alloy
Journal of Materials Science and Technology, 2020 A cost-effective Fe-enriched eutectic high-entropy alloy (EHEA), FeNiCrMo, was designed and prepared to avoid the use of expensive Co that is commonly used in HEAs. However, the as-cast Fe-enriched EHEA was associated with brittleness.
Yu Yin, Damon Kent, Qiyang Tan
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A strategy to design eutectic high-entropy alloys based on binary eutectics
Journal of Materials Science & Technology, 2022Abstract Although eutectic high entropy alloys (EHEAs) display homogeneously fine microstructure, outstanding castability and promising industrial application potential, how to search for the eutectic compositions in multicomponent high-entropy alloys (HEAs) remains to be challenging. Herein, the strategy which was proposed for pinpointing good glass
Dabo Duan +7 more
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Microstructure characterization of CoCrFeNiMnPd eutectic high-entropy alloys
Journal of Alloys and Compounds, 2018Abstract A series of CoCrFeMnNiPdx (x = 0.2–2 at.%) eutectic high entropy alloys (EHEAs) were prepared and analyzed to show the alloying effect of Pd on the microstructure and phase constituents. It was found that the microstructure as the increase of x changes from the divorced eutectic to the coarse granular divorced eutectic around which are the ...
Tan, Yiming +4 more
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Microstructural characterization of eutectic and near-eutectic AlCoCrFeNi high-entropy alloys
Journal of Alloys and Compounds, 2020The microstructure and orientation relationships in five AlCoCrFeNix alloys with eutectic (x = 2.1) and near-eutectic compositions (x = 1.9, 2.0, 2.2 and 2.3) have been characterized in this work. The eutectic and near-eutectic AlCoCrFeNix alloys have microstructures consisting of face-centered cubic (FCC) and ordered body-centered cubic (BCC) B2 ...
Lozinko, Adrianna +4 more
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Data-driven design of eutectic high entropy alloys
Journal of Materials Informatics, 2023Eutectic high entropy alloys (EHEAs) have attracted tremendous research interest over the past decade due to their superior physical and mechanical properties. Given the compositional complexity, there are no well-established phase diagrams for EHEAs. Therefore, the compositional design of EHEAs has been following a trial-and-error empirical approach ...
Zhaoqi Chen, Yong Yang
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Magnetism of CoCrFeNiZrx eutectic high-entropy alloys
Intermetallics, 2018Abstract We have investigated the magnetism of CoCrFeNiZr x (x = 0.4–0.5) eutectic high-entropy alloys (HEAs) in relation to their microstructure by XRD, SEM, magnetization, specific heat and electrical resistivity measurements. Two structural phases develop in the CoCrFeNiZr x HEAs, a Zr-free fcc solid solution and a Zr-containing C15 Laves-phase ...
S. Vrtnik +11 more
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Triple-Phase Eutectic High-Entropy Alloy: Al10Co18Cr18Fe18Nb10Ni26
Metallurgical and Materials Transactions A, 2021A triple-phase eutectic high-entropy alloy (TEHEA) Al10Co18Cr18Fe18Nb10Ni26 is designed and successfully prepared by electric arc melting. The alloy is proved to consist of disordered face-centered cubic (FCC) phase, ordered body centered cubic (B2) phase and Laves phase with hexagonal close-packed (HCP) structure.
Xi Jin +4 more
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