摘要
实验研究Ti粉在选择性激光熔化(SLM )工艺成型过程中的成形特性.通过单道实验确定最佳激光功率、扫描速度,单层实验确定扫描间距、扫描策略,最后通过块体成形实验确定铺粉层厚.实验得到的最佳工艺参数范围为,激光功率:80~100 W ;扫描速度:20~60 m m/s ;扫描方式:跳转变向;扫描间距:0.09~0.12mm ;铺粉层厚:0.05~0.1mm .
Forming characteristics of Ti powder in selective laser melting (SLM ) progress is studied in this paper .In this study ,we determine the optimum laser power ,scan speed by single track experiments ,determine the scanning pitch and scanning strategy through single layer experiment .Finally through experiments to determine the block forming thick powder shop .Results show that the best parameter range are:laser power 80 ~ 100 W ;scanning speed :20~60 mm/s;scanning mode:jump-shift direction ;scanning pitch :0 .09~0 .12 mm ;powder thickness :0 .05~0 .1 mm .
出处
《陕西科技大学学报(自然科学版)》
2014年第1期68-73,共6页
Journal of Shaanxi University of Science & Technology
基金
西安市未央区科技局科技计划项目(201119)
关键词
钛
选区激光熔化
单道
单层
成形
Ti
selective laser melting
single track
single layer
forming