负混合焓合金化推动高强韧合金发展

韩晓东, 安子冰, 毛圣成, 龙海波, 杨鲁岩, 张泽

Negative Mixing Enthalpy Alloying to Promote the Development of Alloys with High Strength and Ductility

HAN Xiaodong, AN Zibing, MAO Shengcheng, LONG Haibo, YANG Luyan, ZHANG Ze

图2 bcc结构难熔多主元合金及fcc结构多主元合金的力学性能[11,25,27,29~32]

Fig.2 Mechanical properties of bcc-structured refractory MPEAs and fcc-structured MPEAs (a) comparisons of yield strength and uniform elongation of bcc-structured refractory MPEAs (Compared with traditional refractory MPEAs[11], negative enthalpy alloys[11,25,27] exhibit excellent mechanical properties) (b) comparisons of yield strength and product of strength and elongation of fcc-structured MPEAs (Compared with traditional MPEAs[29], negative enthalpy alloys[29-32] exhibit excellent mechanical properties)