激光冲击强化技术研究与应用现状  

Research and Application Status of Laser Shock Peening Technology

作　　者：赵绪杰 马永新 张增焕 张瑄珺[2,3] 刘钊鹏 杨文杰 Zhao Xujie;Ma Yongxin;Zhang Zenghuan;Zhang Xuanjun;Liu Zhaopeng;Yang Wenjie(COMAC Shanghai Aircraft Manufacturing Co.,Ltd.,Shanghai 200120,China;Shanghai Institute of Laser Technology,Shanghai 200233,China;Shanghai Engineering Research Center of Laser Intelligent Manufacturing,Shanghai 200233,China)

机构地区：[1]上海飞机制造有限公司,上海201324 [2]上海市激光技术研究所,上海200233 [3]上海激光智能制造工程技术研究中心,上海200233

出　　处：《应用激光》2022年第10期111-119,共9页Applied Laser

基　　金：国家商用飞机制造工程技术研究中心创新基金项目资助(COMAC-SFGS-2021-603)。

摘　　要：激光冲击强化是一种利用激光束对金属材料表面改性的表面强化技术,能够改善材料表层微观组织,产生加工硬化和一定深度的残余压应力,有效提高材料疲劳性能、延长材料服役寿命。介绍了激光冲击强化的技术原理,综述了激光冲击强化技术的工艺参数、数值模拟和主要应用研究,并就该技术后续研究与发展进行了展望。Laser shock peening is a surface strengthening technology that uses laser beams to modify the surface of metal materials, which can improve the surface microstructure of materials, generate work hardening and compressive residual stress at a certain depth, effectively improve the fatigue properties and prolong the service life of materials. This paper introduces the technical principle of laser shock peening, summarizes the process parameters, numerical simulation and main application research of laser shock peening technology, and prospects the follow-up research and development of this technology.

关 键 词：激光冲击 表面强化 激光工艺参数 数值模拟 疲劳寿命 

分 类 号：TN249[电子电信—物理电子学]