激光冲击处理的应用  

Applications of laser shock processing

作　　者：徐国建[1] 李挺[1] 王虹[1] 杭争翔[1] 邢飞[2] 

机构地区：[1]沈阳工业大学,辽宁沈阳110178 [2]沈阳新松机器人股份有限公司,辽宁沈阳110168

出　　处：《电焊机》2010年第11期6-9,共4页Electric Welding Machine

基　　金：辽宁省自然科学基金资助项目(20092047)

摘　　要：目前激光焊接技术在制造业中应用非常广泛,其中,激光冲击处理技术是最近几年出现的一种新技术。激光冲击处理是利用高能量密度的激光束诱导产生的高压等离子体冲击工件的表面,使之产生压应力,以提高零部件的疲劳寿命和抗应力腐蚀开裂的能力。概述了激光冲击处理的原理、特性、应用状况及发展前景。Laser welding technology is very wide in the current application in manufacturing,in recent years laser shock processing technology as a new technology rapid development.Laser shock processing make use of high energy density of laser induced voltage plasma on surface of workpiece,let it has a compressive residual stress,in order to improve the components＇ fatigue life and the ability of stress corrosion cracking performance.This paper summarizes the principle,characteristics,application and development prospect of laser shock peening.

关 键 词：激光冲击处理 等离子体 压应力 疲劳寿命 应力腐蚀开裂 

分 类 号：TG405[金属学及工艺—焊接]