热处理工艺对选区激光熔化成型18Ni300马氏体时效钢微观组织及力学性能的影响

吴文伟, 向超, 张涛, 邹志航, 孙勇飞, 刘金鹏, 张涛, 韩恩厚

Effect of Heat Treatment on Microstructure and Mechanical Properties of 18Ni300 Maraging Steel Fabricated by Selective Laser Melting

WU Wenwei, XIANG Chao, ZHANG Tao, ZOU Zhihang, SUN Yongfei, LIU Jinpeng, ZHANG Tao, HAN En-Hou

图6 AB试样的TEM表征结果

Fig.6 TEM characteristics of AB sample (a) bright-field (BF) image (Inset is the selected area electron diffraction (SAED) pattern) (b) retained austenite (c) TEM images and EDS maps (HAADF—high-angle annular dark field) (d) detailed view of the cell structure (e) detailed view of the retained austenite (Inset is the SAED pattern) (f) EDS line scan result of Fig.6e