High‐Entropy Alloys: Potential Candidates for High‐Temperature Applications – An Overview
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Engineering Materials"
DOI: 10.1002/adem.201700645
Abstract: In recent years, high entropy alloys (HEAs) receive wide attention due to its unique alloy design concept and outstanding properties. This review presents a general overview of HEAs as a potential candidate for high‐temperature applications.… read more here.
Keywords: temperature; entropy alloys; high temperature; temperature applications ... See more keywords
Oxidation and Hot Gas Corrosion of Al–Cr–Fe–Ni‐Based High‐Entropy Alloys with Addition of Co and Mo
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DOI: 10.1002/adem.202100237
Abstract: Multicomponent, high‐entropy alloys (HEAs) are promising candidates for replacing conventional alloys in high‐temperature applications. Herein, the high‐temperature corrosion of AlCrFeNiX0.5 (X = Co, Mo) is investigated. The samples are tested for their oxidation resistance at temperatures up… read more here.
Keywords: oxidation; entropy alloys; oxidation resistance; high entropy ... See more keywords
Nanoprecipitate-Strengthened High-Entropy Alloys.
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DOI: 10.1002/advs.202100870
Abstract: Multicomponent high-entropy alloys (HEAs) can be tuned to a simple phase with some unique alloy characteristics. HEAs with body-centered-cubic (BCC) or hexagonal-close-packed (HCP) structures are proven to possess high strength and hardness but low ductility.… read more here.
Keywords: entropy alloys; nanoprecipitate strengthened; high entropy; strengthened high ... See more keywords
Heterogeneity and Memory Effect in the Sluggish Dynamics of Vacancy Defects in Colloidal Disordered Crystals and Their Implications to High‐Entropy Alloys
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DOI: 10.1002/advs.202205522
Abstract: Vacancy dynamics of high‐density 2D colloidal crystals with a polydispersity in particle size are studied experimentally. Heterogeneity in vacancy dynamics is observed. Inert vacancies that hardly hop to other lattice sites and active vacancies that… read more here.
Keywords: vacancy; entropy alloys; memory effect; disordered crystals ... See more keywords
Surface-Tailored Medium Entropy Alloys as Radically Low Overpotential Oxygen Evolution Electrocatalysts.
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DOI: 10.1002/smll.202105611
Abstract: Numerous studies have explored new materials for electrocatalysts, but it is difficult to discover materials that surpass the catalytic activity of current commercially available noble metal electrocatalysts. In contrast to conventional transition metal alloys, high-entropy… read more here.
Keywords: entropy alloys; oxygen evolution; low overpotential; medium entropy ... See more keywords
Design of Novel Non-equiatomic Cu-Ni-Al-Ti Composite Medium-Entropy Alloys
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-020-04830-w
Abstract: There has been great attention on high-entropy alloys (HEAs) over the past decade. Unlike conventional alloy systems, HEAs commonly include at least five principal elements with equiatomic or near-equiatomic ratio. HEAs with their superior mechanical,… read more here.
Keywords: entropy alloys; novel non; design novel; medium entropy ... See more keywords
Short-Range Order in High Entropy Alloys: Theoretical Formulation and Application to Mo-Nb-Ta-V-W System
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Phase Equilibria and Diffusion"
DOI: 10.1007/s11669-017-0582-3
Abstract: In high-entropy alloys (HEAs), the local chemical fluctuations from disordered solute solution state into segregation, precipitation and ordering configurations are complex due to the large number of elements. In this work, the cluster expansion (CE)… read more here.
Keywords: order; system; entropy; entropy alloys ... See more keywords
Simulation and Modeling in High Entropy Alloys
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DOI: 10.1007/s11837-017-2524-2
Abstract: High entropy alloys (HEAs) is a fascinating field of research, with an increasing number of new alloys discovered. This would hardly be conceivable without the aid of materials modeling and computational alloy design to investigate… read more here.
Keywords: entropy alloys; modeling high; high entropy; simulation modeling ... See more keywords
Thermal Stability and Mechanical Properties of Low-Activation Single-Phase Ti-V-Ta Medium Entropy Alloys
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DOI: 10.1007/s11837-019-03713-3
Abstract: A series of titanium-vanadium-tantalum (Ti-V-Ta) medium entropy alloys have been fabricated with all of them exhibiting a single-phase body-centered cubic structure in the homogenized states, and their thermal stability as well as their mechanical properties… read more here.
Keywords: thermal stability; mechanical properties; stability; entropy alloys ... See more keywords
Microstructure and Mechanical Properties of (TiZrHf)50(NiCoCu)50 High Entropy Alloys
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DOI: 10.1007/s12540-019-00383-3
Abstract: The microstructure and mechanical properties of pseudo-binary (TiZrHf)50(NiCoCu)50 high entropy alloys (HEAs) with B2 matrix were investigated in this study. The studied HEAs includes Ti40Zr10Ni40Co5Cu5, Ti30Zr20Ni30Co10Cu10, Ti25Zr25Ni16.67Co16.67Cu16.67, Ti30Zr10Hf10Ni30Co10Cu10, Ti20Zr15Hf15Ni20Co15Cu15, and Ti16.67Zr16.67Hf16.67Ni16.67Co16.67Cu16.67. XRD and SEM analyses… read more here.
Keywords: nicocu high; entropy alloys; microstructure mechanical; mechanical properties ... See more keywords
Design of Eutectic High Entropy Alloys in Al–Co–Cr–Fe–Ni System
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DOI: 10.1007/s12540-020-00655-3
Abstract: Abstract In the present work, a simple approach is proposed for predicting the compositions of eutectic high entropy alloys (EHEAs) in Al–Co–Cr–Fe–Ni system. It is proposed that eutectic lines exist between certain eutectic alloys in… read more here.
Keywords: system; entropy alloys; eutectic high; high entropy ... See more keywords