激光冲击处理对铆接结构疲劳性能的影响(Ⅱ)  

Effects of Laser Shork Processed on the Fatigue Properties of Rivet Joint(Ⅱ)

作　　者：邹世坤[1] 王健[1] Zhao Yong 赵勇[3] 肖思银 

机构地区：[1]北京航空工艺研究所,北京100024 [2]Chengdu Aircraft Design Research Institute,,成都610041 [3]成都飞机设计研究所

出　　处：《应用激光》2001年第2期113-116,共4页Applied Laser

摘　　要：文 [1]对 LY12 (2 0 2 4 ) T6 2薄板铆钉孔进行激光冲击处理 ,装配成铆接结构后发现其疲劳寿命有稳定地提高 ,本文通过对疲劳断口的宏观和微观形貌的分析 。In last paper,rivet holes of 2024T62 Sheet were shock processed by intense pulse laser before fitted in,the fatigue life of laser shock processed rivet joints are improved on those without LSP,the mechanism of laser shock strengthening rivet joints was investigated in this paper by micrography and macrography of fatigue fracture.

关 键 词：激光冲击处理 铆接结构 疲劳断口 

分 类 号：TG113.255[金属学及工艺—物理冶金] TN249[金属学及工艺—金属学]