送粉式激光熔覆能量有效利用率分析  

Analysis of effective utility of laser power in process of powder feeding laser cladding

作　　者：王永峰[1] 薛春芳[2] 田欣利[2] 周兰英[1] 

机构地区：[1]北京理工大学机械与车辆工程学院,北京100081 [2]装甲兵工程学院机械工程系,北京100072

出　　处：《激光技术》2004年第2期113-115,共3页Laser Technology

基　　金：总装武器装备预研基金资助项目(5 14 6 10 10 10 1JB 35 0 1)

摘　　要：通过分析熔覆过程中光束、粉末和熔池间的相互作用 ,提出了送粉式激光熔覆能量利用率的数学模型 ,并结合相关参数进行了计算。结果表明 ,整个熔覆过程中能量有效利用率较低。该模型客观地反映了熔覆工艺参数和工艺结果的关系 ,为熔覆工艺参数优化 ,熔覆质量的预测、评定 。According to the analysis of the interaction of laser,powder and melting pool,a model of effective utility of laser power in process of powder feeding laser cladding is presented,and then calculation is performed with the parameters in process. It can be seen from the result that the amount of effective utility of laser power is small. The model objectively reflects the major relationship between the parameters and the results of process.It also provides a theoretical foundation for optimizing the process parameters,predicting and evaluating the quality of clad coating.

关 键 词：送粉 激光熔覆 能量利用率 粉末效率 

分 类 号：TG156.99[金属学及工艺—热处理]