层错能对面心立方金属形变机制与力学性能的影响

张哲峰, 李克强, 蔡拓, 李鹏, 张振军, 刘睿, 杨金波, 张鹏

Effects of Stacking Fault Energy on the Deformation Mechanisms and Mechanical Properties of Face-Centered Cubic Metals

ZHANG Zhefeng, LI Keqiang, CAI Tuo, LI Peng, ZHANG Zhenjun, LIU Rui, YANG Jinbo, ZHANG Peng

图8 纯Cu及Cu-Al合金拉伸强度-疲劳强度关系[37,38,46,47]

Fig.8 Relationships between ultimate tensile strength and fatigue strength of pure Cu and Cu-Al alloys (a) relationships between fatigue strength and tensile strength (CR—cold rolling, AN—annealing, FSP—friction stir processing, SPD—severe plastic deformation, ECAP—equal channel angular processing, MG—micro grain, HPT—high pressure torsion)[37,38,46,47] (b) relationships between fatigue strength and yield strength[38]