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11 4种激光束空域形态作用下2个切面凝固界线上考察点的温度梯度

Fig.11 Temperature gradients at the observation points on the solidification boundary of the α-plane (a) and β-plane (b) under the four spatial laser beam profiles