梯度结构铜铝合金的室温加工硬化行为

刘欢, 李幸福, 杨易, 李聪, 付正容, 柏云花, 张正洪, 朱心昆

Room Temperature Work-Hardenning Behavior of a Novel Sandwich Sheet of Cu-Al Alloy with Gradient Structure Surfaces on Both Sides

LIU Huan, LI Xingfu, YANG Yi, LI Cong, FU Zhengrong, BAI Yunhua, ZHANG Zhenghong, ZHU Xinkun

图7 GND塞积的示意图,在软区中诱导背应力，在硬区中诱导前应力[12]以及有限元模拟平均应变为0.2%应力和应变沿厚度方向的变化[30]

Fig.7 Schematics of a GND pile-up, inducing back stress in the soft domain, which in turn induces forward stress in the hard domain[12] (a) andstress and strain variations along thickness direction on 0.2% average strain by finite element simulation (FEM)[30] (b)