WReTaMo Refractory High‐Entropy Alloy with High Strength at 1600 °C
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DOI: 10.1002/adem.202100765
Abstract: Structural materials with higher melting temperatures and better mechanical properties than superalloys are in high demand in refractory applications. A promising WReTaMo refractory high‐entropy alloy (RHEA) with high strength at 1600 °C is fabricated by vacuum… read more here.
Keywords: strength; entropy alloy; high strength; refractory high ... See more keywords
High-Temperature Oxidation Behavior of Refractory High-Entropy Alloys: Effect of Alloy Composition
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DOI: 10.1007/s11085-016-9696-y
Abstract: The high-temperature oxidation behavior of a new family of refractory high-entropy alloys (HEAs) with compositions of W–Mo–Cr–Ti–Al, Nb–Mo–Cr–Ti–Al and Ta–Mo–Cr–Ti–Al was studied at 1000 and 1100 °C. Based on these equimolar starting compositions, the main incentive… read more here.
Keywords: temperature oxidation; oxidation; refractory high; high temperature ... See more keywords
On the Room-Temperature Mechanical Properties of an Ion-Irradiated TiZrNbHfTa Refractory High Entropy Alloy
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DOI: 10.1007/s11837-019-03861-6
Abstract: Refractory high-entropy alloys (RHEAs) are potential candidate materials for use in next-generation nuclear reactors due to their excellent mechanical performance at high temperatures. Here, we investigate the microstructure and mechanical properties of the nanocrystalline RHEA… read more here.
Keywords: refractory high; room temperature; ion; mechanical properties ... See more keywords
Effect of Ti content on microstructure and properties of TixZrVNb refractory high-entropy alloys
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DOI: 10.1007/s12613-020-2040-1
Abstract: This study aimed to investigate the microstructure and mechanical properties of TixZrVNb (x = 1, 1.5, 2) refractory high-entropy alloys at room and elevated temperatures. The TiZrVNb alloy consisted of the body-centered cubic (bcc) matrix… read more here.
Keywords: entropy alloys; refractory high; tixzrvnb refractory; high entropy ... See more keywords
Construction of Phase Diagrams for AlxHfNbTaTiZr Refractory High Entropy Alloy
Sign Up to like & getrecommendations! Published in 2017 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-017-1221-8
Abstract: This work involves construction of phase diagrams of AlxHfNbTaTiZr refractory high entropy alloy (RHEA) with an objective to understand the phase stability of the alloy at different concentrations of Al, which is expected to stabilize… read more here.
Keywords: phase; alxhfnbtatizr refractory; refractory high; phase diagrams ... See more keywords
Solid-solution strengthening in refractory high entropy alloys
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DOI: 10.1016/j.actamat.2019.06.006
Abstract: Abstract Compression stress-strain curves of a number of refractory high entropy alloys (RHEAs) were generated at temperatures ranging from room temperature to 1000 °C. It is shown that solid-solution strengthening in these alloys has both an… read more here.
Keywords: high entropy; solution strengthening; entropy alloys; refractory high ... See more keywords
A systematic analysis of phase stability in refractory high entropy alloys utilizing linear and non-linear cluster expansion models
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DOI: 10.1016/j.actamat.2021.117269
Abstract: Abstract The phase segregation behavior of three key refractory high entropy alloys (NbTiVZr, HfNbTaTiZr, and AlHfNbTaTiZr) is studied using first-principles calculations. Several linear and non-linear methods are utilized to generate surrogate models for three key… read more here.
Keywords: entropy alloys; phase; refractory high; high entropy ... See more keywords
High-throughput additive manufacturing and characterization of refractory high entropy alloys
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DOI: 10.1016/j.apmt.2020.100560
Abstract: Abstract Refractory High Entropy Alloys (RHEAs) and Refractory Complex Concentrated Alloys (RCCAs) are high-temperature structural alloys ideally suited for use in harsh environments. While these alloys have shown promising structural properties at high temperatures that… read more here.
Keywords: entropy alloys; refractory high; additive manufacturing; high entropy ... See more keywords
Refractory high entropy alloys: CrMoNbTiVWZr and AlCrNbMoTiVZr(x = 0,0.6;y = 0.3,z = 0,0.6)
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Refractory Metals and Hard Materials"
DOI: 10.1016/j.ijrmhm.2018.05.014
Abstract: Abstract Four potential High Entropy Alloys, CrMoNbTiVWZr, Cr0.3NbMoTiZr0.3, Cr0.3NbMoTiV0.6Zr0.3 and Al0.6Cr0.3NbMoTiV0.6Zr0.3 have been designed using the indications provided by atomic radius and electronegativity mismatch parameters. Alloys were synthesized by arc melting and characterized in the… read more here.
Keywords: entropy; entropy alloys; alloys crmonbtivwzr; refractory high ... See more keywords
CALPHAD and rule-of-mixtures: A comparative study for refractory high entropy alloys
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DOI: 10.1016/j.intermet.2020.106926
Abstract: Abstract Present work studies 126 quaternary and 126 quinary equiatomic refractory high entropy alloys (RHEAs), made from Group IV (Ti, Zr, Hf), Group V (V, Nb, Ta) and Group VI (Cr, Mo, W) elements. Rule-of-mixtures… read more here.
Keywords: entropy alloys; refractory high; rule mixtures; high entropy ... See more keywords
A particle reinforced NbTaTiV refractory high entropy alloy based composite with attractive mechanical properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.152466
Abstract: Abstract Refractory high entropy alloys (RHEAs) are promising high temperature structural materials because of their excellent high temperature strength and high melting point. With introducing secondary particles, the high temperature mechanical properties can be further… read more here.
Keywords: refractory high; based composite; mechanical properties; high entropy ... See more keywords