In practical use of structure materials, it is necessary to consider a balance of various mechanical properties such as high strength, good ductility, excellent fracture toughness, creep and wear resistance. A new class of alloys such as superalloys, transformation-induced plasticity (TRIP) steels, twinning-induced plasticity (TWIP) steels, dual-phase (DP) steels and high entropy alloys (HEAs) has been developed to improve the balance of multiple properties recently [1-2].
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