Applications of High-Entropy Design in Hard Alloys
Multi-principal-element alloys(MPEAs),including high entropy alloys(HEAs),consist of multiple main elements,altering the design concept of traditional alloys.They exhibit excellent strength-plasticity synergy,corrosion resistance,and high-temperature resistance,providing a flexible and efficient approach to optimizing material performance.In high-performance hard alloys,the concept of high entropy has been significantly applied in both the binder phase and the hard phase.This paper studied multi-principal-element binder and hard phases,focused on the influence of high entropy on the microstructures,strength and toughness control,and service performance of hard alloy materials,and introduced recent progress by the authors.Finally,the development prospects of high-entropy hard alloys were discussed.
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