6005A铝合金挤压型材搅拌摩擦焊接头的疲劳性能

任延静, 张欣盟, 薛鹏, 倪丁瑞, 肖伯律, 马宗义

Fatigue Property of Friction Stir Welded 6005A Al Alloy Profiles

REN Yanjing, ZHANG Xinmeng, XUE Peng, NI Dingrui, XIAO Bolv, MA Zongyi

图5 焊前未机械打磨的FSW接头在不同位置疲劳断裂后的形貌

Fig.5 Cross-sectional macrostructures of fatigue fractured FSW joints unpolished before welding (a) failed at base material, (b) failed at heat affected zone, (c) cross-sectional macrostructures of FSW joint in (b)