Mechanical properties, microstructure and thermal stability of a nanocrystalline CoCrFeMnNi high-entropy alloy after severe plastic deformation
Benjamin Schuh,Francisca Mendez-Martin,Bernhard Völker,Easo P. George,Easo P. George,Helmut Clemens,Reinhard Pippan,Anton Hohenwarter +7 more
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TLDR
In this article, an equiatomic CoCrFeMnNi high-entropy alloy (HEA), produced by arc melting and drop casting, was subjected to severe plastic deformation (SPD) using high pressure torsion.About:
This article is published in Acta Materialia.The article was published on 2015-09-01 and is currently open access. It has received 887 citations till now. The article focuses on the topics: Indentation hardness & High entropy alloys.read more
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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
High-entropy alloys
TL;DR: This Review discusses model high-entropy alloys with interesting properties, the physical mechanisms responsible for their behaviour and fruitful ways to probe and discover new materials in the vast compositional space that remains to be explored.
Journal ArticleDOI
Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures
Bernd Gludovatz,Anton Hohenwarter,Keli V.S. Thurston,Keli V.S. Thurston,Hongbin Bei,Zhenggang Wu,Easo P. George,Easo P. George,Easo P. George,Robert O. Ritchie,Robert O. Ritchie +10 more
TL;DR: This work examines an equiatomic medium-entropy alloy containing only three elements, CrCoNi, as a single-phase face-centred cubic solid solution, which displays strength-toughness properties that exceed those of all high-ENTropy alloys and most multi-phase alloys.
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Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy
TL;DR: In this article, the CrMnFeCoNi high-entropy alloy possesses good combination of strength, work hardening rate (WHR), ductility, and fracture toughness.
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High entropy alloys: A focused review of mechanical properties and deformation mechanisms
TL;DR: In this article, the authors provide a detailed review of the deformation mechanisms of HEAs with the complex concentrated alloys (CCAs) with the FCC and BCC structures, highlighting both successes and limitations.
References
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Nanostructured High-Entropy Alloys with Multiple Principal Elements: Novel Alloy Design Concepts and Outcomes
Jien-Wei Yeh,Swe-Kai Chen,Su-Jien Lin,Jon-Yiew Gan,Tsung-Shune Chin,Tsung-Shune Chin,Tao-Tsung Shun,Chun-Huei Tsau,Shou-Yi Chang +8 more
TL;DR: A new approach for the design of alloys is presented in this paper, where high-entropy alloys with multi-principal elements were synthesized using well-developed processing technologies.
Journal ArticleDOI
Bulk nanostructured materials from severe plastic deformation
TL;DR: In this article, the authors present methods of severe plastic deformation and formation of nanostructures, including Torsion straining under high pressure, ECA pressing, and multiple forging.
Journal ArticleDOI
Microstructural development in equiatomic multicomponent alloys
Brian Cantor,Brian Cantor,I.T.H. Chang,I.T.H. Chang,P. Knight,P. Knight,A.J.B. Vincent,A.J.B. Vincent +7 more
TL;DR: In this paper, it was shown that the confusion principle does not apply, and other factors are more important in promoting glass formation of late transition metal rich multicomponent alloys.
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A fracture-resistant high-entropy alloy for cryogenic applications
Bernd Gludovatz,Anton Hohenwarter,Dhiraj Catoor,Edwin H. Chang,Easo P. George,Easo P. George,Robert O. Ritchie,Robert O. Ritchie +7 more
TL;DR: This work examined a five-element high-entropy alloy, CrMnFeCoNi, which forms a single-phase face-centered cubic solid solution, and found it to have exceptional damage tolerance with tensile strengths above 1 GPa and fracture toughness values exceeding 200 MPa·m1/2.
Book
A handbook of lattice spacings and structures of metals and alloys
W. B. Pearson,George H. Vineyard +1 more
TL;DR: The Handbook of Lattice spacings and structures of metals and alloys as discussed by the authors is a handbook of argumentative essay structure spacing and lattice plane model modified by the incorporation of thermodynamic functions appropriate to the f.c.