热处理对选区激光熔化17-4PH不锈钢力学性能的影响

秦奉, 施麒, 刘辛, 周舸, 陈立佳

Effect of Heat Treatment on Microstructure and Mechanical Properties of Selective Laser Melted 17-4PH Stainless Steel

QIN Feng, SHI Qi, LIU Xin, ZHOU Ge, CHEN Lijia

图14 选区激光熔化17-4PH不锈钢沉积态、真空热处理、HIP热处理和组合热处理断口的整体形貌

Fig.14 Overall appearance of Fracture of the SLM-processed samples (a) as-built; (b) vacuum heat treatment; (c) HIP heat treatment; (d) combined heat treatment