飞秒激光冲击强化技术的研究现状及展望  

Research Status and Prospect of Femtosecond Laser Shock Peening Technology

作　　者：王宗申[1] 臧彤 陈磊 孔萌 郑宏宇 WANG Zongshen;ZANG Tong;CHEN Lei;KONG Meng;ZHENG Hongyu(Centre for Advanced Laser Manufacturing(CALM),School of Mechanical Engineering,Shandong University of Technology,Zibo 255000,China)

机构地区：[1]山东理工大学机械工程学院激光高端制造研究中心,山东淄博255000

出　　处：《材料保护》2023年第10期17-24,66,共9页Materials Protection

基　　金：国家自然科学基金(51605266);山东省自然科学基金(ZR2020ME164、ZR2023ME134);山东省高等学校青创科技支持计划(2021KJ068)资助。

摘　　要：作为一种微尺度范围内的表面强化技术,飞秒激光冲击强化具有热影响小、冲击深度浅、能量利用率高、工艺灵活等特点,在实现复杂形状微结构表面改性、宏观尺度零件表面微造型、微冲击成形等方面应用优势显著。概述了飞秒激光冲击强化技术的发展历程,总结了冲击模式、激光参数、附加能场等因素对强化效果的影响规律和机理,并对飞秒激光冲击强化技术的潜在应用及发展趋势进行了展望,以为突破飞秒激光冲击强化的关键问题、推动技术的产业化应用提供必要的指导与支持。As a micro-scale surface strengthening technique,femtosecond laser shock peening has the advantages of low thermal effect,shallow impact depth,high energy efficiency and process flexibility,which makes its great application advantages in surface modification of micro structures with complicated shapes,surface micro shaping of macro components and micro shock forming.Herein the development history of femtosecond laser shock peening technology was summarized,and the influence rules and mechanisms of impact mode,laser parameters,additional energy fields and other factors on the strengthening effect were summarized.Moreover,the potential applications and development trends of femtosecond laser shock peening technology were prospected,which could provide necessary guidance and support to break through the key issues of femtosecond laser shock peening and promote the industrial application of technology.

关 键 词：激光冲击强化 飞秒激光 表面改性 微尺度 

分 类 号：TN249[电子电信—物理电子学]