激光功率和扫描速度对SLM制备Ti5553合金性能的影响

王铭宇, 李述军, 和正华, 唐明德, 张思倩, 张浩宇, 周舸, 陈立佳

Effect of Process Parameters on Density and Compressive Properties of Ti5553 Alloy Block Prepared by SLM

WANG Mingyu, LI Shujun, HE Zhenghua, TANG Mingde, ZHANG Siqian, ZHANG Haoyu, ZHOU Ge, CHEN Lijia

图6 激光功率为70 W制备的样品的缺陷形貌和尺寸的CT图

Fig.6 CT image of defects in sample A1 with 70 W laser power and 400 mm/s scanning speed, with a relative density of 98.71% (a), CT image of defects in sample A2 with 70 W laser power and 600 mm/s scanning speed, with a relative density of 96.32% (b), CT image of defects in sample A3 with 70 W laser power and 800 mm/s scanning speed, with a relative density of 91.79% (c) and the scale of defect sizes in the CT images (d)