引用本文:何志远,贺文雄,杨海峰,周利,赵洪运,宋晓国.铝合金表面激光熔覆研究进展[J].中国表面工程,2021,34(6):33~44
HE Zhiyuan,HE Wenxiong,YANG Haifeng,ZHOU Li,ZHAO Hongyun,SONG Xiaoguo.Research Progess in Laser Cladding on Aluminum Alloy Surface[J].China Surface Engineering,2021,34(6):33~44
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铝合金表面激光熔覆研究进展
何志远1,2, 贺文雄1,2, 杨海峰1,2, 周利1,2, 赵洪运1,2, 宋晓国1,2
1.哈尔滨工业大学先进焊接与连接国家重点实验室 哈尔滨 150001;2.哈尔滨工业大学(威海)山东省特种焊接技术重点实验室 威海 264209
摘要:
激光熔覆通过激光加热使熔覆材料与基体形成冶金结合的高质量熔覆层,是一种有效的表面改性技术。 铝合金因其硬度低、耐磨性差导致其无法满足对表面性能要求较高的领域,限制了其更广阔的发展。 激光熔覆对铝合金表面改性有着很好的研究和应用价值,已获得国内外学者的密切关注。 目前,铝合金激光熔覆技术研究呈上升趋势,然而缺乏系统的综述介绍。 以熔覆层材料体系为核心,按照金属基合金、陶瓷增强复合材料和一些新兴材料进行分类,综述了铝合金激光熔覆的背景、工艺以及组织性能,并对铝合金表面激光熔覆发展前景进行了展望。
关键词:  铝合金  激光熔覆  熔覆材料  熔覆组织  力学性能
DOI：10.11933/j.issn.1007-9289.20210427003
分类号:TG456
基金项目:
Research Progess in Laser Cladding on Aluminum Alloy Surface
HE Zhiyuan1,2, HE Wenxiong1,2, YANG Haifeng1,2, ZHOU Li1,2, ZHAO Hongyun1,2, SONG Xiaoguo1,2
1.State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001 , China;2.Shandong Provincial Key Laboratory of Special Welding Technology,Harbin Institute of Technology at Weihai, Weihai 264209 , China
Abstract:
Laser cladding is considered to be an effective surface modification technique, in which high quality cladding layer is formed between the cladding material and the substrate by laser heating. Because of its low hardness and poor wear resistance, aluminum alloy can not meet the requirements of high surface properties, which limits its broader development. Laser cladding has a good research and application value on surface modification of aluminum alloy, which has been paid close attention by scholars at home and abroad. At present, the research on laser cladding technology of aluminum alloy is on the rise, but there is no systematic review. In order to further enhance the application of laser cladding in the field of aluminum alloy welding, the research status of the microstructure and properties of aluminum alloy laser cladding was summarized, and the future research direction of aluminum laser cladding was prospected.
Key words:  aluminum alloy  laser cladding  cladding material  cladding microstructures  mechanical property
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