Transformation of chemical ordering and configuration entropy in quaternary CrxTi0.75Mo0.75V1.5−xAlC2 MAXs system

This article details groundbreaking research into the CrxTi0.75Mo0.75V1.5-xAIC2 MAX phase system, a family of materials blending alloy and ceramic properties. Conducted by Cheng-Feng Du and his team at Northwestern Polytechnical University, the study explores a transition from out-of-plane atomic order to disorder as the metal composition varies, increasing configurational entropy from medium to high. This structural evolution significantly enhances the material’s hardness and thermal properties due to increased electron and phonon scattering in the high-entropy configuration. The work highlights the potential of these materials for high-temperature applications, lubrication, and structural stability, offering a pathway for future developments in advanced ceramics. Findings were published in the Journal of Advanced Ceramics.

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