朱红梅,胡际鹏,李柏春,李勇作,邱长军.铁基材料表面激光熔覆不锈钢涂层的研究进展[J].表面技术,2020,49(3):74-84.
ZHU Hong-mei,HU Ji-peng,LI Bai-chun,LI Yong-zuo,QIU Chang-jun.Research Progress of Laser Cladding Stainless Steel Coating on Fe-based Substrate[J].Surface Technology,2020,49(3):74-84
铁基材料表面激光熔覆不锈钢涂层的研究进展
Research Progress of Laser Cladding Stainless Steel Coating on Fe-based Substrate
投稿时间:2019-06-12  修订日期:2020-03-20
DOI:10.16490/j.cnki.issn.1001-3660.2020.03.010
中文关键词:  激光熔覆  铁基合金  不锈钢涂层  激光工艺  组织及性能
英文关键词:laser cladding  Fe-based alloy  stainless steel coating  laser technology  structure and performanceb
基金项目:国家重点研发计划项目(2018YFB1105803)
作者单位
朱红梅 南华大学 机械工程学院,湖南 衡阳 421001 
胡际鹏 南华大学 机械工程学院,湖南 衡阳 421001 
李柏春 南华大学 机械工程学院,湖南 衡阳 421001 
李勇作 南华大学 机械工程学院,湖南 衡阳 421001 
邱长军 南华大学 机械工程学院,湖南 衡阳 421001 
AuthorInstitution
ZHU Hong-mei School of Mechanical Engineering, University of South China, Hengyang 421001, China 
HU Ji-peng School of Mechanical Engineering, University of South China, Hengyang 421001, China 
LI Bai-chun School of Mechanical Engineering, University of South China, Hengyang 421001, China 
LI Yong-zuo School of Mechanical Engineering, University of South China, Hengyang 421001, China 
QIU Chang-jun School of Mechanical Engineering, University of South China, Hengyang 421001, China 
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中文摘要:
      激光熔覆技术作为推动国家制造业升级的重要绿色制造和再制造技术,在航空航天、海工交通、冶金机械等重点领域具有广阔的应用前景。激光制造用粉末材料是影响该技术应用和发展的关键因素之一,其中铁基合金材料具有成本低、力学性能好、应用范围广等优势,特别是不锈钢体系的铁基合金因其良好的力学性能和优异的耐蚀性能而逐渐成为研究关注的焦点。全面综述了国内外在铁基材料表面激光熔覆不锈钢涂层的相关研究进展。根据显微组织的不同,目前采用激光熔覆技术制备的不锈钢涂层的类型主要有:奥氏体型不锈钢、马氏体型不锈钢、铁素体型不锈钢以及双相型不锈钢。重点综述了激光工艺参数(激光功率、扫描速度、熔覆方式等)、合金元素(Al、Ni、B、Mo等)、添加物(SiC、WC、VC、Cr3C2、Al2O3等陶瓷相)以及热处理(固溶处理、低温回火等)等因素对激光熔覆不锈钢涂层组织和性能的影响,主要包括对熔覆层的相组成、截面几何尺寸、稀释率、残余应力、力学性能、耐蚀性能等的影响规律及微观机制。同时,指出了目前在铁基材料表面激光熔覆不锈钢涂层领域中存在的主要问题及今后的发展方向。
英文摘要:
      Laser cladding technology is an important green manufacturing and remanufacturing technology to promote the upgrading of the national manufacturing industry. There are broad application prospects in key industrial fields such as aerospace, marine transportation, metallurgical machinery, etc. Powder materials are one of the key factors affecting the application and development of the laser manufacturing technology, among which Fe-based alloy materials possess their advantages such as low cost, good mechanical properties and wide application range. Specially, Fe-based stainless steel alloys have been the research focus due to the good mechanical properties and excellent corrosion resistance. The research progress of laser cladding Fe-based stainless steel coatings on the Fe-based substrate at home and abroad has been reviewed comprehensively. Currently, the types of stainless steel coatings have been divided into austenitic stainless steel, martensitic stainless steel, ferritic stainless steel and duplex stainless steel according to the microstructure. The effects of laser processing parameters (laser power, scanning speed, cladding mode, etc.), alloying elements (Al, Ni, B, Mo, etc.), additives (ceramic phases such as SiC, WC, VC, Cr3C2, Al2O3, etc.) and heat treatment (solid solution treatment, low-temperature tempering, etc.) on the microstructure and properties of the laser cladding stainless steel coatings have been emphasized. The effects mainly include the general rules and mechanism of the phase constitution, cross-section geometry, dilution ratio, residual stress, mechanical property and corrosion resistance. Besides, the main problems and the future development direction for laser cladding stainless steel coatings on Fe-based substrates have been pointed out.
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