从局域应力/应变视角理解异构金属材料的强韧化行为

范国华, 缪克松, 李丹阳, 夏夷平, 吴昊

Unraveling the Strength-Ductility Synergy of Heterostructured Metallic Materials from the Perspective of Local Stress/Strain

FAN Guohua, MIAO Kesong, LI Danyang, XIA Yiping, WU Hao

图1 几种典型的异构设计策略及其强韧化效果[15,16,19]

Fig.1 Typical heterostructured architectures and their effects on strength and ductility synergy (a, b) gradient heterostructure (FG and CG are referred to fine grain and coarse grain, respectively)[19] (c, d) layered heterostructure (TD—transverse direction)[15] (e, f) harmonic heterostructure[16]