金刚石微粉与金属粉末激光烧结实验研究  

Experimental Study on Laser Sintering of Diamond Micropowder and Metal Powder

作　　者：张新建 毕艳 杨家军[2] 林晞晨 鲁艳旻 何俊伟 杨卫红 Zhang Xinjian;Bi Yan;Yang Jiajun;Lin Xichen;Lu Yanmin;He Junwei;Yang Weihong(Wenhua College、Wuhan,Hubei 430074,China;Huazhong University Science and Technology,Wuhan,Hubei 430074,China)

机构地区：[1]文华学院机械与电气工程学部,湖北武汉430074 [2]华中科技大学机械工程学院,湖北武汉430074

出　　处：《应用激光》2020年第3期442-446,共5页Applied Laser

基　　金：国家重大科技专项资助项目(项目编号:2013ZX04008-031)。

摘　　要：采用扩散冷却型激光器进行激光烧结金刚石微粉与金属粉末压坯试验,研究了激光参数对金刚石微粉与金属粉末结合性能的影响,分析了烧结体的烧结性能及耐磨性。结果表明:光斑直径为8.5 mm时,在激光功率550 W、扫描速度1100 mm/min烧结条件下可获得金刚石颗粒、金属粉末二者具有最佳结合性能的烧结体。Laser sintering diamond micropowder and metal powder compaction were tested by diffusion cooling laser.The influences of laser technology parameters on sintering combination of diamond grits and metal powder was researched,and the sintering and grind performance was analyzed.With the parameter of 550 W laser powder and 1100 mm/min scan speed,the best sintering workpiece was got.

关 键 词：激光烧结 金刚石微粉压坯 工艺参数 工艺与机理 

分 类 号：TG456.7[金属学及工艺—焊接]