Journal ArticleDOI
The tribological properties of Al0.6CoCrFeNi high-entropy alloy with the σ phase precipitation at elevated temperature
TLDR
In this article, the effect of temperature on the tribological properties of Al0.6CoCrFeNi high-entropy alloy was studied and the results showed that the σ-CrFe phase was precipitated after heat treatment.About:
This article is published in Journal of Alloys and Compounds.The article was published on 2019-03-10. It has received 117 citations till now. The article focuses on the topics: Hot hardness & Microstructure.read more
Citations
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The sliding wear behaviour of CoCrFeMnNi and AlxCoCrFeNi high entropy alloys at elevated temperatures
TL;DR: In this paper, a detailed characterisation of the wear tracks using electron microscopy and surface profilometry revealed a transition in wear mechanism from abrasive wear at room-temperature to oxidative and delamination wear above 600°C.
Journal ArticleDOI
Tribological behavior of an AlCoCrFeNi2.1 eutectic high entropy alloy sliding against different counterfaces
TL;DR: In this paper, the tribological behavior of the model AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) sliding against different counterfaces including Al2O3, Si3N4, SiC ceramics and GCr15 steel at room temperature (RT), and particularly SiC at elevated temperatures were investigated.
Journal ArticleDOI
A review on laser cladding of high-entropy alloys, their recent trends and potential applications
Zia Ullah Arif,Muhammad Yasir Khalid,Ehtsham ur Rehman,Sibghat Ullah,Muhammad Atif,Ali Tariq +5 more
TL;DR: In this paper, a review and recent trends of laser-cladded high-entropy Alloy Coatings (LC-HEACs) is presented, aiming to address the use of LC technology for HEA materials, and the influence of process parameters on the geometric and metallurgical characteristics of the LC-heACs.
Journal ArticleDOI
Effects of Ti-to-Al ratios on the phases, microstructures, mechanical properties, and corrosion resistance of Al2-xCoCrFeNiTix high-entropy alloys
Yong Zhao,Mingliang Wang,Hongzhi Cui,Yuqiao Zhao,Xiaojie Song,Yong Zeng,Xiaohua Gao,Feng Lu,Canming Wang,Qiang Song +9 more
TL;DR: In this article, a method for the design of high Al-content HEAs to balance the strength-ductility trade-off and improve the pitting corrosion resistance synergistically is presented.
Journal ArticleDOI
In-situ TiC reinforced CoCrCuFeNiSi0.2 high-entropy alloy coatings designed for enhanced wear performance by laser cladding
TL;DR: In this article, in-situ synthesis of TiC reinforced CoCrCuFeNiSi0.2 high-entropy alloy (HEA) coatings were fabricated on the surface of 304 stainless steels by laser cladding.
References
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Journal ArticleDOI
The influences of temperature and microstructure on the tensile properties of a CoCrFeMnNi high-entropy alloy
F. Otto,F. Otto,Antonín Dlouhý,Christoph Somsen,Hongbin Bei,Gunther Eggeler,Easo P. George,Easo P. George +7 more
TL;DR: In this article, an equiatomic CoCrFeMnNi high-entropy alloy, which crystallizes in the face-centered cubic (fcc) crystal structure, was produced by arc melting and drop casting.
Journal ArticleDOI
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
Effect of valence electron concentration on stability of fcc or bcc phase in high entropy alloys
TL;DR: In this paper, the relationship between phase stability and physicochemical/thermodynamic properties of alloying components in high entropy alloys was studied systematically and the mixing enthalpy was found to be the key factor controlling the formation of solid solutions or compounds.
Journal ArticleDOI
Sluggish diffusion in Co-Cr-Fe-Mn-Ni high-entropy alloys
TL;DR: In this article, the diffusion couple method was used to measure the diffusion parameters of Co, Cr, Fe, Mn and Ni in ideal-solution-like Co-Cr-Fe-Mn-Ni alloys.
Journal ArticleDOI
Microstructure and wear behavior of AlxCo1.5CrFeNi1.5Tiy high-entropy alloys
TL;DR: In this paper, a series of high-entropy alloys with different Al and Ti contents were designed, and their phase and microstructure were investigated, the adhesive wear behavior and mechanism were also studied and compared with the conventional wear-resistant steels SUJ2 and SKH51.
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A critical review of high entropy alloys and related concepts
Daniel B. Miracle,Oleg N. Senkov +1 more