纳米金属结构材料的韧化

赵永好, 毛庆忠

Toughening of Nanostructured Metals

ZHAO Yonghao, MAO Qingzhong

图9 高纯、致密bi-modal和multi-modal镍的微观结构和拉伸曲线以及屈服强度-断裂延伸率对比[87]

Fig.9 Microstructures (a, b) and tensile curves (c) of high-purity and dense bi/multi-modal nickel (Bi-Ni/multi-Ni) and review of yield strength-tensile ductility of nickel (d)[87] (The twins in Figs.9a and b are indicated by black arrows; the inset in Fig.9c shows the picture of the fractured tensile specimens; ED—electro-deposition, HPT—high pressure torsion)