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5 合金试样的拉伸断口形貌和典型第二相粒子的EDS谱

Fig.5 Fracture morphoiogies of alloy for tensile test (a) PU(1.5/200); (b) PU(3/150); (c) T6 peak aging; (d) T8(3%) and EDS spectra of second phase (e) of PU(3/150) alloy