低塑性抛光技术对材料表面完整性影响的研究进展  

Research Progress of Low Plasticity Burnishing on Surface Integrity of Materials

作　　者：高玉魁[1] 柳鸿飞 GAO Yukui;LIU Hongfei(School of Aerospace Engineering and Applied Mechanics,Tongji University,Shanghai 200092,China)

机构地区：[1]同济大学航空航天与力学学院

出　　处：《航空制造技术》2019年第18期14-22,共9页Aeronautical Manufacturing Technology

基　　金：国家自然科学基金（11372226）

摘　　要：低塑性抛光技术能够有效提高材料的疲劳性能、耐腐蚀性能、损伤容限性能,在国外已被广泛应用于航空发动机的表面改性处理。对近年来新兴的低塑性抛光技术的基本原理及优势进行了介绍,综述了低塑性抛光技术对表层残余应力、表面粗糙度、显微硬度以及微观组织结构等表面完整性因素的研究进展,分析了硬球直径、抛光压力、抛光速度、滚压次数等工艺参数对不同表面完整性因素的具体影响,最后对低塑性抛光技术在国内的研究与发展进行了展望。Low plasticity burnishing can effectively enhance the fatigue performance,corrosion resistance and damage tolerance property of materials.And it has been widely used abroad in surface modification of aero-engine industry.The basic principle and advantages of the emerging low plasticity burnishing are introduced in this paper.The effects of low plasticity burnishing on surface integrity,such as residual stress,surface roughness,microhardness and microstructure,are summarized.The detailed influences of different processing parameters on surface integrity factors are also analyzed,such as ball diameter,pressure,burnishing speed and number of passes.Finally,the research and development of low plasticity burnishing in China are prospected.

关 键 词：低塑性抛光 表面完整性 表层残余应力 表面粗糙度 显微硬度 微观组织结构 

分 类 号：TG1[金属学及工艺—金属学]