覆膜宝珠砂激光烧结工艺影响因素的优化研究  

Optimization Research on Influence Factors of PF/pearl Sand Laser Sintering

作　　者：张昕[1] 白培康[1] 李玉新[1] 

机构地区：[1]中北大学材料科学与工程学院,山西太原030051

出　　处：《铸造技术》2016年第2期282-284,共3页Foundry Technology

基　　金：山西省青年科技研究基金资助项目(2010021022-2)

摘　　要：为了更有效的降低砂型铸造成本,针对覆膜砂的激光烧结工艺,采用正交试样法从激光功率、预热温度、扫描速度和铺粉层厚等方面对最佳激光烧结工艺参数进行优化研究。得到最佳激光烧结工艺参数:激光功率21 W、预热温度80℃、扫描速度1 000 mm/s、铺粉厚度0.2 mm。In order to more effectively reduce the cost of sand casting, aimed at the PF/pearl sand laser sintering process, the optimization parameters in laser sintering process, such as laser power, preheating temperature, scanning speed and dusting layer thickness, were studied using orthogonal test method. The optimization laser sintering technology parameter is laser power of 21 W, preheating temperature ofS0 ~C, scanning speed of 1 000 mm/s and dusting layer thickness of 0.2 mm.

关 键 词：宝珠覆膜砂 选择性激光烧结 最佳工艺参数 

分 类 号：TG24[金属学及工艺—铸造]