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15 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后断口的形貌

Fig.15 Fractography of the SLM-processed 17-4PH stainless steel samples (a) as-built; (b) vacuum heat treatment; (c) HIP heat treatment; (d) combined heat treatment