新型热处理调控Al-Cu-Mg合金残余应力的工艺和机理

马文静,陈志国,李鸿娟,袁珍贵,郑子樵

Process and Mechanism of Novel Heat Treatment for Controlling Residual Stress in Al-Cu-Mg Alloy

Wenjing MA,Zhiguo CHEN,Hongjuan LI,Zhengui YUAN,Ziqiao ZHENG

图6 不同制度热处理后合金的显微组织及对应的衍射斑

Fig.6 TEM images of alloy with corresponding diffraction patterns under different heat treatment conditions (a) T6 peak aging; (b) T8(3%); (c) PU(3/150); (d) PU(3/200)