激光增材制造铝合金及其复合材料的研究进展  

Research progress of laser additive manufacturing of aluminum alloy and composite materials

作　　者：宋博宇 韩永全[1,3] 于天硕[1,3] SONG Boyu;HAN Yongquan;YU Tianshuo(School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,Inner Mongolia,China;Baotou Vocational and Technical College,Baotou 014030,Inner Mongolia,China;Engineering Research Center of Advanced Light Metal Materials Development and Processing Protection,Ministry of Education,Hohhot 010051,Inner Mongolia,China)

机构地区：[1]内蒙古工业大学材料科学与工程学院,内蒙古呼和浩特010051 [2]包头职业技术学院,内蒙古包头014030 [3]教育部先进轻金属材料开发与加工防护工程研究中心,内蒙古呼和浩特010051

出　　处：《焊接技术》2022年第1期12-17,63,I0001,共8页Welding Technology

基　　金：内蒙古自治区科技项目(2020GG0313);内蒙古自治区高等学校科学研究项目(NJZY22119)。

摘　　要：增材制造中的选区激光熔化技术在未来航天航空、车辆制造、医学生物等方面都具有广阔的应用及发展前景。文中从选区激光熔化铝合金及其复合材料的相对密度、显微组织、力学性能三方面阐述了其研究进展,归纳总结了SLM制备不同铝合金及其复合材料的抗拉强度和伸长率、相对密度。通过文献得出,添加Sc,Zr等元素及纳米增强颗粒的复合铝合金材料,可获得更好的力学性能,并展望了未来研究的趋势。Selective laser melting technology in additive manufacturing has broad applications and development prospects in the future aerospace, vehicle manufacturing, medical and biology, etc. This article discussed the relative density and microstructure of laser melting of aluminum alloy and its composite materials in selected areas. The research progress was described in three aspects of mechanical properties, microstructure and relative density of different aluminum alloys, their composites prepared by SLM were summarized. According to literature, composite aluminum alloy materials with elements such as SC and Zr and nano-reinforced particles could obtain better mechanical properties. And look forward to the trend of future research.

关 键 词：增材制造 选区激光熔化 3D打印 铝合金及复合材料 

分 类 号：TG456.7[金属学及工艺—焊接]