低温等离子体辅助加工综述  

Low-temperature plasma assisted machining:A review

作　　者：刘吉宇 张帆 陈阳[1] 金洙吉[1] 刘新[1] LIU Jiyu;ZHANG Fan;CHEN Yang;JIN Zhuji;LIU Xin(School of Mechanical Engineering,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]大连理工大学机械工程学院,大连116024

出　　处：《航空学报》2021年第10期67-79,共13页Acta Aeronautica et Astronautica Sinica

基　　金：国家自然科学基金(51975092);中央高校基本科研业务费专项资金(DUT18JC19,DUT19ZD202)。

摘　　要：随着航空航天、国防科技、能源等领域的快速发展,具有优良机械性能的高强度合金材料及复合材料得到广泛应用,实现这些材料的高效精密低损伤加工具有重要意义。低温等离子体富含活性粒子,能有效改善材料的可切削性,且较易产生、维持和控制,已被广泛应用于难加工材料的辅助加工过程中。在介绍低温等离子体基本特性及分类的基础上,结合国内外低温等离子体辅助加工技术的研究现状,以表面粗糙度、材料去除率、表面损伤、切削力等参数为评价指标,分别阐述了等离子体熔射成形技术、等离子体加热辅助切削技术、冷等离子体射流辅助抛光技术、冷等离子体射流辅助切削技术等的作用机理及效果,并对其发展趋势进行了展望。With the rapid development of the fields of aerospace,national defense technology and energy,high-strength alloy materials and composite materials with excellent mechanical properties have been widely used.It is of great significance to achieve high-efficiency,high-precision and low-damage machining of these materials.With a lot of active particles,lowtemperature plasma can effectively improve material machinability,and is easier to generate,maintain and control;therefore,it has been widely applied in auxiliary machining of difficult-to-cut materials.The basic characteristics and classification of low-temperature plasma,as well as the state-of-the-art low-temperature plasma assisted machining technology at home and abroad,are introduced.Using the parameters of surface roughness,material removal rate,surface damage,and cutting force as evaluation indicators,the mechanisms and effects of plasma spray forming,plasma enhanced machining,cold plasma jet assisted polishing and cold plasma jet assisted cutting are discussed.The development trends of each technology are also discussed.

关 键 词：航空航天 低温等离子体 难加工材料 熔射成形 辅助抛光 辅助切削 

分 类 号：V261[航空宇航科学与技术—航空宇航制造工程] TG66[金属学及工艺—金属切削加工及机床]