选区激光熔化铝合金的研究进展

来源期刊:中国有色金属学报2020年第12期

论文作者:马如龙 彭超群 王日初 蔡志勇

文章页码:2773 - 2789

关键词:增材制造;3D打印;选区激光熔化;铝合金;激光

Key words:additive manufacturing; 3D printing; selective laser melting; aluminum alloy; laser

摘    要:铝合金具有低密度、高强度和良好的耐蚀性等优点,是选区激光熔化技术的重要研究与应用方向之一。重点论述选区激光熔化技术的基本原理、优缺点和选区激光熔化铝合金的国内外研究概况,介绍选区激光熔化Al-Si、Al-Mg、Al-Cu和Al-Zn-Mg等合金体系,讨论粉末性能、工艺参数和热处理工艺等选区激光熔化铝合金的主要影响因素,分析选区激光熔化铝合金的存在问题并进行展望。

Abstract: Aluminum alloy has the advantages of low density, high strength and good corrosion resistance, which is one of the important research directions of selective laser melting. The basic principles, advantages and disadvantages of selective laser melting were discussed. Research situation in selective laser melted Al alloy was surveyed, and Al-Si, Al-Mg, Al-Cu and Al-Zn-Mg alloys were introduced. Factors related to microstructure and physical properties such as powder properties, process parameters and heat treatment were discussed. Finally, the relevant problems and development tendency were also addressed.

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