High-entropy ceramics: Review of principles, production and applications

S Akrami, P Edalati, M Fuji, K Edalati - Materials Science and Engineering …, 2021 - Elsevier
High-entropy ceramics with five or more cations have recently attracted significant attention
due to their superior properties for various structural and functional applications. Although …

High-entropy ultra-high-temperature borides and carbides: a new class of materials for extreme environments

L Feng, WG Fahrenholtz… - Annual Review of …, 2021 - annualreviews.org
Herein, we critically evaluate computational and experimental studies in the emerging field
of high-entropy ultra-high-temperature ceramics. High-entropy ultra-high-temperature …

Strength of single‐phase high‐entropy carbide ceramics up to 2300° C

L Feng, WT Chen, WG Fahrenholtz… - Journal of the …, 2021 - Wiley Online Library
The mechanical properties of single‐phase (Hf, Zr, Ti, Ta, Nb) C high‐entropy carbide (HEC)
ceramics were investigated. Ceramics with relative density> 99% and an average grain size …

Plasmonic high-entropy carbides

A Calzolari, C Oses, C Toher, M Esters… - Nature …, 2022 - nature.com
Discovering multifunctional materials with tunable plasmonic properties, capable of
surviving harsh environments is critical for advanced optical and telecommunication …

Progress in densification and toughening of high entropy carbide ceramics

Z Cao, J Sun, L Meng, K Zhang, J Zhao… - Journal of Materials …, 2023 - Elsevier
High entropy carbide ceramics (HECC) are solid solution of inorganic compounds with five
or more principal metal cations. Research interests in HECC are dramatically sparked by the …

Functional two-dimensional high-entropy materials

SK Nemani, M Torkamanzadeh, BC Wyatt… - Communications …, 2023 - nature.com
Multiple principal element or high-entropy materials have recently been studied in the two-
dimensional (2D) materials phase space. These promising classes of materials combine the …

High-entropy (HfTaTiNbZr) C and (HfTaTiNbMo) C carbides fabricated through reactive high-energy ball milling and spark plasma sintering

DO Moskovskikh, S Vorotilo, AS Sedegov… - Ceramics …, 2020 - Elsevier
Powders of high-entropy Hf 0.2 Ta 0.2 Ti 0.2 Nb 0.2 Zr 0.2 C (HEC Zr) and Hf 0.2 Ta 0.2 Ti
0.2 Nb 0.2 Mo 0.2 C (HEC Mo) carbides were fabricated through the reactive high-energy …

Settling the matter of the role of vibrations in the stability of high-entropy carbides

M Esters, C Oses, D Hicks, MJ Mehl, M Jahnátek… - Nature …, 2021 - nature.com
High-entropy ceramics are attracting significant interest due to their exceptional chemical
stability and physical properties. While configurational entropy descriptors have been …

Stability and mechanical properties of single-phase quinary high-entropy metal carbides: First-principles theory and thermodynamics

SY Liu, S Zhang, S Liu, DJ Li, Z Niu, Y Li… - Journal of the European …, 2022 - Elsevier
We have employed thermodynamics and first-principles density-functional calculations to
investigate the structural stability and mechanical properties of fifty-six quinary high-entropy …

Low-temperature densification of high-entropy (Ti, Zr, Nb, Ta, Mo) C—Co composites with high hardness and high toughness

SC Luo, WM Guo, K Plucknett, HT Lin - Journal of Advanced Ceramics, 2022 - Springer
In order to prepare high toughness (Ti, Zr, Nb, Ta, Mo) C ceramics at low temperatures while
maintaining high hardness, a liquid-phase sintering process combined with Co-based liquid …