Demonstrates improved hardness and toughness in ceramics, suggesting a new design strategy.
), outperforming all reported binary alumina-based counterparts. The property synergy originated from a cascaded strengthening mechanism that spanned atomic-scale lattice distortion to nanoscale coherent interfaces, coupled with multi-mode toughening via crack deflection, bifurcation, and bridging. Our work establishes a high-entropy eutectic design strategy for engineering ceramics with exceptional mechanical performance under extreme conditions.
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Wang et al. (2026) studied this question.
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