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12 4种激光束空域形态作用下切面凝固界线上考察点到熔池表面光束中心的距离

Fig.12 Distances from the observation points on the solidification boundary of α-plane (a) and β-plane (b) to the beam center of the molten pool surface under the four spatial laser beam profiles