Transformation of chemical ordering and configuration entropy in quaternary Cr x Ti 0.75Mo 0.75V 1.5− x AlC 2 MAX system
Le résumé fourni par la source
Two new quaternary CrxTi0.75Mo0.75V1.5−xAlC2 (x = 1.25, 1) MAXs and Cr0.75Ti0.75Mo0.75V0.75AlC2 are synthesized by hot pressing. Interestingly, an unprecedented transition in M-site atomic occupancy from out-of-plane order to solid solution is observed along with the composition variation, which also increases the configurational entropy from medium- to high-entropy. Through experimental observation and theoretical calculation, the influence of the atomic distribution on their properties is analyzed. Eventually, about 40% increment on the Vickers hardness than that of the Cr2TiAlC2 and low thermal conductivities are detected from the three MAXs, which can be ascribed to the solid solution strengthening effects and the enhanced scattering of both electrons and phonons from the high-entropy structure.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.
- Titre Crossref
- Transformation of chemical ordering and configuration entropy in quaternary Cr <sub> <i>x</i> </sub>Ti <sub>0.75</sub>Mo <sub>0.75</sub>V <sub>1.5− <i>x</i> </sub>AlC <sub>2</sub> MAX system
- Date Crossref
- 01/11/2024
- Éditeur
- Tsinghua University Press
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.