In718合金激光粉末床熔融悬垂结构成形数值模拟与实验研究

王材桦,来旭辉,杨欢庆,魏正英

Numerical simulation and experimental study on forming of overhang structure by laser power bed fusion of In718 alloy

Cai-hua WANG,Xu-hui LAI,Huan-qing YANG,Zheng-ying WEI

表 2 In718镍基高温合金的模拟仿真工艺参数

Tab.2 Simulation process parameters of In718 nickel-based superalloy

样本 P/W vs/(mm·s−1) 扫描区域 ED/(J·mm−3) A 290.0 900 实体 73.23 B 100.0 900 实体 25.25 C 400.0 900 实体 101.01 D 175.0 900 交界 44.19 E 290.0 900 交界 73.23 F 87.5 450 交界 44.19 G 262.5 1 350 交界 44.19