[G] Additive Manufacturing and Powder Metallurgy

[320] Study on additive manufacturing of CoCrNi medium entropy alloy by selective laser melting

*Haotian SUN¹, Zairan LUO², Hiroshi OKA¹, Shigrhito ISOBE¹, Shuai WANG², Naoyuki HASHIMOTO¹ (1. Hokkaido University、2. Southern University of Science and Technology)

Keywords:Medium entropy alloy、Selective laser melting、Strengthening、Geometrically necessary dislocation

The SLMed alloy exhibited high UTS, YS, and elongation. The increased mechanical properties in SLMed alloy can be attributed to dislocation strengthening and fine grain strengthening.