摘要
激光选区熔化(SLM)是利用高能量激光束将设计好的二维截面上的金属合金粉末熔化,由下而上逐层打印实体零件的一种金属增材制造(AM)技术,具有尺寸精度高、表面质量好、致密度高和材料浪费少的优势,已经成为AM技术在金属零件成型领域中的重要技术之一。阐述了SLM技术的原理和研究现状,总结了其在航空航天、医学、汽车、模具等方面的应用现状,并展望了其未来的发展趋势。
The selective laser melting （SLM） is a metal additive manufacturing （AM） technique in which a highenergy laser beam is used to melt the metal alloy powder on the designed two-dimensional cross-sections and solid parts are printed layer by layer from bottom to top. It has the advantages of high dimensional accuracy, good surface quality, high density and little material waste, and has been developed into one of the key AM technologies in the metal part forming field. The principle and research status of the SLM technology are introduced, and its applications in aerospace, medicine, automobile, mold and other aspects are summarized. In addition, its future development trend is prospected.
出处
《激光与光电子学进展》
CSCD
北大核心
2018年第1期3-15,共13页
Laser & Optoelectronics Progress
基金
国家自然科学基金面上项目(51705160)
中央高校基本科研业务费专项(2017BQ072)
广东省科技计划项目(2014A080802002
2017A030313271)
广州市重大专项(201704020118)
关键词
激光技术
金属增材制造
激光选区熔化
粉末材料
轻量化设计
免组装机构
laser technique
metal additive manufacturing
selective laser melting
powder materials
lightweight design
non-assembly mechanisms
