High-entropy carbide: A novel class of multicomponent ceramics
By Jieyang Zhou, Jinyong Zhang, Fan Zhang, B. Niu, Liwen Lei, Wei-ming Wang. Ceramics International, 2018
400 citations recorded by the source corpus.
Abstract In this work, an equi-atomic (Ti, Zr, Hf, Nb, Ta) C high-entropy carbide (HEC) powder was synthesized using spark plasma sintering (SPS), and its phase evolution, microstructure, composition and oxidation behaviour were investigated in detail. According to the results, pure face-centred cubic structured solid solution could be obtained at 1950 °C, with metallic atoms randomly placed in the metallic sublattice. Results also showed that HEC powder exhibited better performance with regards to oxidation resistance than its original components and acted as an indivisible entirety while undergoing oxidation under relatively lower temperatures. This reflected from the side that HEC powder was thermally more stable than its original components.
Subfields: Aerospace Engineering, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/2a9f0c962bb457b96e3f2960496c77b40b9ab025
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Citations in the corpus
- The effect of submicron grain size on thermal stability and mechanical properties of high‐entropy carbide ceramics (2020, background): “(5) The bending strength and fracture toughness of fine-grained HECs are 25% and 20% higher, respectively, than the coarse-grained HEC.”
- A high-entropy silicide: (Mo0.2Nb0.2Ta0.2Ti0.2W0.2)Si2 (2019, background): “rdness [17, 18, 19]; this line of work has further stimulated the subsequent development of high-entropy metal carbides as another class of UHTCs with increased hardness by a various groups worldwide [20, 21, 22, 23, 24, 25, 26, 27, 28, 29]. Third, several other classes of high-entropy ceramics have”