Journal ArticleDOI
Phase separation in equiatomic AlCoCrFeNi high-entropy alloy
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TLDR
The microstructure of the as-cast AlCoCrFeNi high entropy alloy has been investigated by transmission electron microscopy and atom probe tomography and fluctuations of single elements within the Cr-Fe rich phase have been singled out by three dimensional atom probe measurements.About:
This article is published in Ultramicroscopy.The article was published on 2013-09-01. It has received 281 citations till now. The article focuses on the topics: Spinodal decomposition & Atom probe.read more
Citations
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High-Entropy Alloys: A Critical Review
Ming-Hung Tsai,Jien-Wei Yeh +1 more
TL;DR: In this article, a review of critical aspects of high-entropy alloys, including core effects, phases and crystal structures, mechanical properties, high-temperature properties, structural stabilities, and corrosion behaviors are discussed.
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.
Journal ArticleDOI
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
TL;DR: 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.
Journal ArticleDOI
High-content ductile coherent nanoprecipitates achieve ultrastrong high-entropy alloys
Yao-Jian Liang,L. Wang,Yuren Wen,Cheng Baoyuan,Qinli Wu,Tangqing Cao,Qian Xiao,Yunfei Xue,Gang Sha,Yandong Wang,Yang Ren,Xiaoyan Li,Lu Wang,Fuchi Wang,Hongnian Cai +14 more
TL;DR: A non-equiatomic alloy is developed that utilizes spinodal decomposition in a five-element alloy to obtain high content nanophases and the highest tensile strength reported to date.
Journal ArticleDOI
An assessment on the future development of high-entropy alloys: Summary from a recent workshop
TL;DR: A special two-day international workshop on high-entropy alloys was held in Guiyang, China, in December 2014 as mentioned in this paper to discuss the scientific issues and challenges to foster international collaborations, and to identify future directions.
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
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.
Journal ArticleDOI
Prediction of high-entropy stabilized solid-solution in multi-component alloys
Xiao Yang,Yong Zhang +1 more
TL;DR: In this article, the phase formation for multi-component alloys has been predicted by calculating parameters Ω and δ for typical multichamber alloys reported, where Ω is defined as a parameter of the entropy of mixing timing the average melting temperature of the elements over the enthalpy of mixing, δ is the mean square deviation of the atomic size of elements.
Journal ArticleDOI
Microstructure characterization of AlxCoCrCuFeNi high-entropy alloy system with multiprincipal elements
Chung-Jin Tong,Yu-Liang Chen,Jien-Wei Yeh,Su-Jien Lin,Swe-Kai Chen,Tao-Tsung Shun,Chun-Huei Tsau,Shou-Yi Chang +7 more
TL;DR: In this paper, a new approach for the design of alloy systems with multiprincipal elements was presented, and the Al x CoCrCuFeNi alloys with different aluminum contents (i.e., x values in molar ratio, x=0 to 3.0) were synthesized using a well-developed arc-melting and casting method.
Journal ArticleDOI
Mechanical performance of the AlxCoCrCuFeNi high-entropy alloy system with multiprincipal elements
Chung-Jin Tong,Min-Rui Chen,Jien-Wei Yeh,Su-Jien Lin,Swe-Kai Chen,Tao-Tsung Shun,Shou-Yi Chang +6 more
TL;DR: In this paper, the Al0.5CoCrCuFeNi alloys with multiprincipal elements (x=the aluminum content in molar ratio, from 0 to 3.0) were synthesized using a well-developed arc-melting and casting method.