蓝光激光增材高反射率金属研究现状及发展趋势  

Current Status and Development on Additive Manufacturing with Blue Laser Source of High Reflectivity Metals

作　　者：宁晨红 禹庭 常成 刘敏 闫星辰 Ning Chenhong;Yu Ting;Chang Cheng;Liu Min;Yan Xingchen(School of Material Science and Engineering,Shenyang University of Technology,Shenyang l10870,Liaoning,China;Institute of New Materials,Guangdong Academy of Sciences,National Engineering Laboratory for Modern Materials Surface Engineering Technology,The Key Lab of Guangdong for Modern Surface Engineering Technology,Guangzhou510650,Guangdong,China;School of Applied Physics and Materials,Wuyi University,Jiangmen 529020,Guangdong,China)

机构地区：[1]沈阳工业大学材料科学与工程学院,辽宁沈阳110870 [2]广东省科学院新材料研究所,现代材料表面工程技术国家工程实验室,广东省现代表面工程技术重点实验室,广东广州510650 [3]五邑大学应用物理与材料学院,广东江门529020

出　　处：《应用激光》2023年第10期77-89,共13页Applied Laser

基　　金：广东省人才发展改革试验区创建行动“百人计划”引进专项(2021GDASYL-20210102005);广东省基础与应用基础研究基金项目(2020A1515111031)、广东省基础与应用基础研究基金项目(2021A1515010939);中国科协“青年人才托举工程”(YESS20210269)。

摘　　要：激光增材制造技术利用逐点逐层的加工方式,对于复杂金属构件的制备具有极大的技术优势。对于高反射率金属材料,它们在不同波长下的激光吸收率相差较大,提高其对激光吸收率是改善成形件质量的重要途径之一。为获得质量良好的成形件,可采用如蓝光激光、绿光激光等短波长激光光源对高反射率金属材料进行增材制造。阐述了金属粉末材料对蓝光激光的吸收机理、蓝光激光器的研究及发展现状,分析并总结了高反射率金属蓝光激光选区熔化及沉积技术的研究现状,并展望了其未来的发展趋势。Laser additive manufacturing(AM)technology has great advantages for producing metal components with complex structures.The high reflectivity metals exhibit different laser absorptivity under different wavelengths.To obtain high-quality AM parts,short wavelength laser sources such as blue laser and green laser can be used to manufacture high reflectivity metal materials.In the present manuscript,the absorption mechanism of laser source has been introduced.The current status of blue laser has been summarized.The research status of selective laser melting and laser deposition technologies using blue laser source of high reflectivity metals have been analyzed and summarized.In addition,its future development trend has also been prospected.

关 键 词：增材制造 蓝光激光 高反射材料 吸收机理 

分 类 号：TN249[电子电信—物理电子学] TB31[一般工业技术—材料科学与工程]