摘要
电子束选区熔化成形技术是一种以电子束为热源的金属材料增材制造技术,可成形具有复杂形状的高性能金属零部件,在航空航天、生物医疗、汽车制造等领域有着广阔的应用前景。简要介绍了电子束选区熔化成形技术的基本原理,综述了不同粉末材料电子束选区熔化成形组织与性能研究现状、电子束选区熔化成形过程数值模拟方法、电子束选区熔化成形技术的应用,最后指出改进技术迫切需要解决的问题并展望其未来发展趋势。
Selective electron beam melting technique(SEBM)is a kind of metal additive manufacturing technique using electron beam as heat source,can form high-performance metal parts with complex shapes.It has been widely applied in aerospace industrial,biomedical application,automobile manufacturing and other fields.The basic principle of selective electron beam melting technique is briefly introduced,the microstructure and properties of different materials produced by selective electron beam melting technique are reviewed,and the numerical simulation methods of SEBM process and the application of SEBM technique are also summarized in this paper.Finally,some problems to be solved in forming quality of selective electron beam melting technique are pointed out and its development trend is forecasted.
作者
冉江涛
赵鸿
高华兵
果春焕
王建东
张群
姜风春
RAN Jiangtao;ZHAO Hong1;GAO Huabin;GUO Chunhuan;WANG Jiandong;ZHANG Qun;JIANG Fengchun(College of Mechanical and Electrical Engineering,Harbin Engineering University,Harbin 150001,China;Aerospace Hiwing(Harbin)Titanium Industry Co.,Ltd.,Harbin 150001,China;Qingdao Hachuan Advanced Materials Manufacturing Research Institute Co.,Ltd.,Qingdao 266000,China)
出处
《航空制造技术》
2019年第1期46-57,共12页
Aeronautical Manufacturing Technology
基金
国家重点研发计划(2017YFB1103700)
黑龙江省应用技术研究与开发计划项目重大项目(GY2018ZB0042)
关键词
电子束
选区熔化
金属材料
组织与性能
数值模拟
Electron beam
Selective melting
Metallic material
Microstructure and property
Numerical simulation