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6 纯Cu及Cu-Al合金拉伸强度-均匀延伸率倒置关系[37]

Fig.6 Trade-off relation between tensile strength and uniform elongation of pure Cu and Cu-Al alloys with different Al contents and grain sizes[37] (CG—course grain, FG—fine grain, UFG—ultra-fine grain, NG—nano grain, SISP—synchronously improved strength and plasticity)