送粉激光熔覆层的逐层剥削磨损性能试验

1.中国人民解放军军需大学农副业生产系,吉林长春,130062

2.吉林工学院材料工程系,吉林长春,130012

3.吉林工学院材料工程系,吉林长春,130012

4.中国科学院长春光学精密机械研究所,吉林长春,130012

基金项目: 吉林省工业发展基金

The Investigation on the Microstructure and Properties of Grade Peeped Coating Formed by the Powder Feeding Laser Cladding

利用电子显微镜、X射线衍射、能谱分析,显微硬度和快速磨损试验,对送粉激光熔覆层逐层剥削,进行组织和磨损性能的跟踪观测,分析了熔覆层组织特征和碳化物的分布规律,熔覆层强度和硬度的提高是组织细化、碳化物强化的结果.为确定激光熔覆层的加工余量提供了依据.

[1]	Baker T N et al.Design of surface in situ metal-ceramic composite formation via laser treatment[J].Materials Science and Technology,1994,10(06):536-544.
[2]	Liu Y et al.TEM study of prcipites in laser clad Ni-AlBronze[J].Acta Metallurgica Et Materialia,1994,42(05):1763-1768.
[3]	Li Y Steen .Laser cladding of stellite and silica on aluminium substrate.Laser and Optoelectronics[J].SPIE,1993,1979:602-608.
[4]	Pelletier et al.Microstructure and mechanical properties of some metal matrix composites coatings by laser cladding[J].Journal of De Physique,1994,4(04):93-96.
[5]	李言祥;朱允明;施克仁.英国激光加工的现状与发展动向[J].光电子技术与信息,1992(02):35-41.
[6]	G. Shi;J. Liu;P. Ding;S. Zhou .Microstructure and hardness distribution of laser surface overlap coating layer[J].Materials Science and Technology: MST: A publication of the Institute of Metals,1998(1):80-84.
[7]	Nowotny St;Techel A;Luft.A et al.Microstructure and wear properties of laser clad carbide coating[Z].ICALEO,1993.

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