Journal ArticleDOI
Temperature dependent deformation behavior and strengthening mechanisms in a low density refractory high entropy alloy Al10Nb15Ta5Ti30Zr40
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TLDR
A low-density high entropy alloy Al10Nb15Ta5Ti30Zr40 has been developed which exhibits excellent compressive room temperature ductility, despite the presence of Al.About:
This article is published in Materialia.The article was published on 2020-03-01. It has received 41 citations till now. The article focuses on the topics: Strengthening mechanisms of materials & Microstructure.read more
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Refractory high entropy superalloys (RSAs)
TL;DR: In this article, the authors discuss opportunities and challenges to develop RSAs as new high temperature structural materials and discuss the challenges of constructing RSAs in complex concentrated alloys with disordered body-centered cubic (BCC) microstructures.
Journal ArticleDOI
Coherent precipitation and stability of cuboidal nanoparticles in body-centered-cubic Al0.4Nb0.5Ta0.5TiZr0.8 refractory high entropy alloy
TL;DR: In this paper, a new body-centered-cubic (BCC)-based Al0.4Nb0.5Ta 0.5TiZr0.8 refractory high entropy alloy with coherent precipitation was developed.
Journal ArticleDOI
Phase decomposition behavior and its effects on mechanical properties of TiNbTa0.5ZrAl0.5 refractory high entropy alloy
TL;DR: In this article, the phase stability of a BCC TiNbTa0.5ZrAl 0.5 alloy subjected to thermomechanical processing was evaluated, and the effects of phase decomposition on room/high temperature mechanical properties were quantitatively studied.
Journal ArticleDOI
Chemical short range order strengthening in BCC complex concentrated alloys
TL;DR: In this article, the effect of chemical short-range order on alloy strength has been investigated in the context of BCC chemically complex alloys, and it is shown that annealing leads to a softening of the BCC quaternary alloy relative to the random state, especially for deformation at low temperatures.
Journal ArticleDOI
A Review of the Latest Developments in the Field of Refractory High-Entropy Alloys
TL;DR: Refractory high-entropy alloys (RHEAs) as mentioned in this paper mainly contain refractory elements like W, Ta, Mo, Zr, Hf, V, and Nb.
References
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Journal ArticleDOI
A critical review of high entropy alloys and related concepts
Daniel B. Miracle,Oleg N. Senkov +1 more
TL;DR: High entropy alloys (HEAs) are barely 12 years old as discussed by the authors, and the field has stimulated new ideas and inspired the exploration of the vast composition space offered by multi-principal element alloys.
Journal ArticleDOI
A review of dynamic recrystallization phenomena in metallic materials
Ke Huang,Roland E. Logé +1 more
TL;DR: The dynamic recrystallization (DRX) phenomena occurring in different thermo-mechanical processing (TMP) conditions for various metallic materials are reviewed in this article.
Journal ArticleDOI
Microstructure and Room Temperature Properties of a High-Entropy TaNbHfZrTi Alloy (Postprint)
TL;DR: In this article, a refractory alloy, Ta20Nb20Hf20Zr20Ti20, was produced by vacuum arc-melting and the as-solidified alloy had a dendritic structure, which was not affected by hot isostatic pressing.
Journal ArticleDOI
Development and exploration of refractory high entropy alloys—A review
TL;DR: In this article, the authors reviewed open literature publications on refractory high entropy alloys (RHEAs) and refractor complex concentrated alloys(RCCAs) in the period from 2010 to the end of January 2018.
Journal ArticleDOI
Atomic scale structure of sputtered metal multilayers
Xiaowang Zhou,Haydn N. G. Wadley,Robert A. Johnson,D.J. Larson,N. Tabat,Alfred Cerezo,Amanda K. Petford-Long,George Davey Smith,P.H. Clifton,R.L. Martens,Thomas F. Kelly +10 more
TL;DR: In this article, a combined theoretical and experimental approach has been used to study nanoscale CoFe/Cu/CoFe multilayer films grown by sputter deposition, and a novel deposition technique is proposed which reduces both interfacial mixing and Fe depletion by controlling the incident adatom energies.
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A critical review of high entropy alloys and related concepts
Daniel B. Miracle,Oleg N. Senkov +1 more