| 激光金属沉积技术研究现状与应用进展 |
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| 引用本文： | 杨胶溪,柯华,崔哲,刘琦,李怀学,周正,肖俊恒,张志勇.激光金属沉积技术研究现状与应用进展[J].航空制造技术,2020,63(10):14-22. |
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| 作者姓名： | 杨胶溪 柯华 崔哲 刘琦 李怀学 周正 肖俊恒 张志勇 |
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| 作者单位： | 北京工业大学材料与制造学部激光工程研究院,北京 100124,北京工业大学材料与制造学部激光工程研究院,北京 100124,北京工业大学材料与制造学部激光工程研究院,北京 100124,中国航空制造技术研究院,北京 100024;高能束流增量制造技术与装备北京市重点实验室,北京 100024;国家级高能束流加工技术重点实验室,北京 100024;增材制造航空科技重点实验室,北京 100024,中国航空制造技术研究院,北京 100024;高能束流增量制造技术与装备北京市重点实验室,北京 100024;国家级高能束流加工技术重点实验室,北京 100024;增材制造航空科技重点实验室,北京 100024,高速铁路轨道技术国家重点实验室,北京 100081,高速铁路轨道技术国家重点实验室,北京 100081,特冶(北京)科技发展有限公司,北京 100043 |
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| 摘 要： | 增材制造是融合材料科学、机械自动化及信息技术的先进制造技术,在近30年的发展中,发挥着越来越重要的作用。激光金属沉积(Laser metal deposition,LMD)是基于定向能量沉积(Directed energy deposition,DED)的一种增材制造技术,在近年来受到广泛关注和研究。阐述了LMD技术的基本工作原理及系统组成,重点介绍LMD技术国内外研究进展及应用现状,列举了一些基于LMD的工艺技术开发及装备研发制造,指出了LMD技术在成形效率和成形精度、工艺稳定性及性能一致性等方面的不足。最后,总结了LMD技术未来的5个发展趋势:材料体系集约化、工艺参数系统化、成形过程高效化、设备集成智能化和应用领域广泛化。
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| 关 键 词： | 增材制造(AM) 定向能量沉积(DED) 激光金属沉积(LMD) 快速成形(RP) |
Research and Application Progress of Laser Metal Deposition |
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| YANG Jiaoxi,KE Hua,CUI Zhe,LIU Qi,LI Huaixue,ZHOU Zheng,XIAO Junheng,ZHANG Zhiyong.Research and Application Progress of Laser Metal Deposition[J].Aeronautical Manufacturing Technology,2020,63(10):14-22. |
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| Authors: | YANG Jiaoxi KE Hua CUI Zhe LIU Qi LI Huaixue ZHOU Zheng XIAO Junheng ZHANG Zhiyong |
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| Institution: | (Institure of Laser Engineering,Faculty of Material and Manufacturing,Beijing University of Technology,Beijing 100124,China;AVIC Manufacturing Technology Institute,Beijing 100024,China;Beijing Key Laboratory of High Power Beam Additive Manufacturing Technology and Equipment,Beijing 100024,China;Science and Technology on Power Beam Processes Laboratory,Beijing 100024,China;Aeronautical Key Laboratory for Additive Manufacturing Technologies,Beijing 100024,China;State Key Laboratory for Track Technology of High-Speed Railway,Beijing 100081,China;Teye(Beijing)Technology Development Co.,Ltd.,Beijing 100043,China) |
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| Abstract: | Additive manufacturing is an advanced manufacturing technology that combines materials science,machanical automation and information technology.It has played an increasingly important role in the past 30 years of development.Laser metal deposition(LMD)is an additive manufacturing technology based on directed energy deposition(DED),which has received widespread attention in recent years.The basic operation principle and system composition of LMD technology were described.The research progress and application status of LMD technology at home and abroad were mainly introduced.Some LMD-based technology development and equipment manufacturing were listed.The shortcomings of LMD technology in forming efficiency,forming precision,process stability and performance consistency were pointed out.Finally,Five development trends of LMD technology were summarized:Intensification of material system;Systematic analysis of technological parameters;Improve forming efficiency;Intelligent integrated device control,Expansion of application areas. |
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| Keywords: | Additive manufacturing(AM) Directed energy deposition(DED) Laser metal deposition(LMD) Rapid prototyping(RP) |
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