送粉激光熔敷耐磨涂层制备工艺与组织结构
Technique and microstructure of anti-wear coating by auto-feeding laser cladding
张三川,刘怀喜,姚建铨
摘要(Abstract)：
采用20%WC作为镍基自熔合金的掺杂增强相,研究了该复合材料在送粉激光熔敷工艺条件下的熔敷层显微组织、显微硬度与熔敷工艺规范间关系,得出了在实验条件下的优化工艺参数:激光功率为2.5kW(光斑离焦量60mm);扫描速度为2.4mm/s;送粉量为3.0g/min.
关键词(KeyWords)： 送粉激光熔敷;组织结构;显微硬度;耐磨涂层
基金项目(Foundation):
作者(Author): 张三川,刘怀喜,姚建铨
参考文献(References)：
- [1] TechelA,LuffA,MullerA,etal.ProductionofhardmetalwearprotectioncoatingbyCO2 1asercladding[J].OpticalandQuantumElectronics,1995,27(12):1313-1318.
- [2] CadenasM,VijandeR,MonteesHJ,etal.WearbehavioroflasercladdingandplasmasprayedWC Cocoating[J].Wear,1997,212(2):244-253.
- [3] WangPZ,QuJX,ShaoHS.Cementedcarbidereinforcednickel basedalloycoatingbylasercladdingandthewearcharacteristics[J].Material＆Design,1996,17(5/6):289-296.
- [4] ZengXY,TaoZY,ZhuBD,etal.Investigationoflasercladdingceramic metalcompositecoating processingmodesandmechanisms[J].Surface＆CoatingsTechnology,1996,79(1-3):209-217.