Enhancing plasticity in high-entropy refractory ceramics via tailoring valence electron concentration
TLDR
In this article, a bottom-up design of high-entropy ceramics is proposed for realizing materials with unique combination of high hardness and fracture-resistance at elevated temperature.About:
This article is published in Materials & Design.The article was published on 2021-11-01 and is currently open access. It has received 21 citations till now. The article focuses on the topics: Brittleness & Valence electron.read more
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High-entropy ceramics: Review of principles, production and applications
TL;DR: High-entropy ceramics with five or more cations have recently attracted significant attention due to their superior properties for various structural and functional applications as mentioned in this paper, and significant efforts were started to increase the entropy, minimize the Gibbs free energy, and achieve stable single-phase high-entropically stable ceramic films.
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Temperature-dependent elastic properties of binary and multicomponent high-entropy refractory carbides
Davide Sangiovanni,Ferenc Tasnádi,Tyler Harrington,Magnus Odén,Kenneth S. Vecchio,Igor A. Abrikosov,Igor A. Abrikosov +6 more
TL;DR: In this article, the second-order elastic constants are calculated by least-square fitting of the analytical expressions of stress/strain relationships to simulation results obtained from three tensile and three shear deformation modes.
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Microstructural damage evolution of (WTiVNbTa)C5 high-entropy carbide ceramics induced by self-ions irradiation
Yabin Zhu,Jianlong Chai,Zhiguang Wang,Tielong Shen,Li Niu,Shufen Li,Peng Jin,Hongpeng Zhang,Jing Li,Minghuan Cui +9 more
TL;DR: In this paper , high-entropy carbide ceramics (WTiVNbTa) were prepared by spark plasma sintering and irradiated with 1.0 MeV C-ions at room temperature (RT) and 650 ℃.
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Development of ultrahigh-entropy ceramics with tailored oxidation behavior
William M. Mellor,Kevin Kaufmann,Olivia F. Dippo,Samuel D. Figueroa,Grant D. Schrader,Kenneth S. Vecchio +5 more
TL;DR: In this article, the development of 6+ multi-cation high-entropy carbides (UHECs) containing 6+ principal elements with greater combinatorial possibilities was proposed.
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Liquid phase assisted synthesis of (Ti,V,Nb,Ta,W)C-Ni high entropy carbide cermets by conventional pressureless sintering
TL;DR: In this article , two-phase fully dense high entropy carbide (HEC) cermets were successfully prepared following the conventional cemented carbide/cermet processing route, and the phase evolution was investigated at seven different sintering temperatures in the 900 − 1420°C window.
References
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