航空用钛合金抗微动疲劳表面改性技术的研究进展  

Research Advancement for Surface Modification Technology Used for Anti-fretting Fatigue of Aerial Titanium Alloys

作　　者：李启鹏[1] 李伟 杨磊 王学德[4] 

机构地区：[1]94314部队 [2]空军西安飞行学院空中特种勤务系 [3]94243部队87分队 [4]空军工程大学等离子体动力学实验室

出　　处：《机械工程材料》2012年第11期9-13,共5页Materials For Mechanical Engineering

基　　金：国防预研基金资助项目(513270103)

摘　　要：对现有钛合金抗微动疲劳表面改性技术的应用现状及存在的问题进行了论述,重点介绍了一种新型的表面改性技术——激光冲击强化技术,并分析了激光冲击强化的原理,以及该技术在钛合金抗微动疲劳领域的研究现状,最后对该技术的应用前景进行了展望。The application and some problems of surface modification technologies used for enhancing fretting fatigue of aerial titanium alloys are summarized. A new titanium alloy surface modification technology--laser shock peening （LSP） is introduced significantly, and the principle of LSP and the research status of the technology in the filed of anti-fretting fatigue of titanium alloy are analyzed. At last, the application of the technology in future was look forwarded.

关 键 词：钛合金 表面改性 激光冲击强化 微动疲劳 

分 类 号：TG516.99[金属学及工艺—金属切削加工及机床]