激光束空域形态对激光定向能量沉积316L不锈钢热输运影响的数值模拟

任松, 吴家柱, 张屹, 张大斌, 曹阳, 尹存宏

Numerical Simulation on Effects of Spatial Laser Beam Profiles on Heat Transport During Laser Directed Energy Deposition of 316L Stainless Steel

REN Song, WU Jiazhu, ZHANG Yi, ZHANG Dabin, CAO Yang, YIN Cunhong

图13 4种激光束空域形态作用下激光扫描方向与切面凝固界线上考察点处法线方向的夹角

Fig.13 Angles between the laser scanning direction and the normal direction at the observation points on the solidification boundary of α-plane (a) and β-plane (b) under the four spatial laser beam profiles