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

表4 不同状态下合金XRD相对衍射峰强度

Table 4 Relative diffraction peak intensity of alloy under different conditions

Sample name (111) (200) (220) (311) T8(3%) 56.9 100 29.6 29.8 PU(3/150) 4.6 100 17.4 6.9 PU(3/200) 7.6 100 25.5 16.9