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Microstructural characterization of eutectic and near-eutectic AlCoCrFeNi high-entropy alloys
Journal of Alloys and Compounds, 2020 The 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 ...
Adrianna Lozinko +2 more
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Magnetism of CoCrFeNiZrx eutectic high-entropy alloys
Intermetallics, 2018 Abstract 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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, 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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An assessment on the stability of the eutectic phases in high entropy alloys
Journal of Alloys and Compounds, 2019Abstract To overcome the limited mechanical properties of single-phase FCC/BCC high entropy alloys, a large effort is being made towards the development of eutectic composites. The eutectic/near eutectic high entropy alloys (EHEAs) with alternate lamellar phases provide an optimum balance between strength and ductility. Therefore, CoCrFeNiNbx (0.45
Barnasree Chanda, J Das
exaly +2 more sources
Directly cast bulk eutectic and near-eutectic high entropy alloys with balanced strength and ductility in a wide temperature range [PDF]
Acta Materialia, 2017 High entropy alloys (HEAs) usually possess weak liquidity and castability, and considerable compositional inhomogeneity, mainly because they contain multiple elements with high concentrations.
Yiping Lu, Xuzhou Gao, Li Jiang
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Microstructure and properties of novel CoCrFeNiTax eutectic high-entropy alloys
Journal of Alloys and Compounds, 2018 Available online 8 November 2017Eutectic high-entropy alloys are potential replacements of structural alloys, due to their microstructure and properties.
Wenyi Huo, Feng Fang, Xuefeng Zhou
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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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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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Galvanic corrosion in a eutectic high entropy alloy
Journal of Electroanalytical Chemistry, 2019Abstract Eutectic high entropy alloys, with lamellar arrangement of solid-solution phases, offer a unique combination of high strength and elongation to overcome the strength-ductility trade-off seen in conventional alloys. However, there is very limited understanding of the passivation mechanisms in these complex alloys.
Vahid Hasannaeimi, Sundeep Mukherjee
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