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
表1 不同状态SLM 18Ni300试样的力学性能
Table 1 Mechanical properties of SLM 18Ni300 samples after different heat treatments
StateYS / MPaUTS / MPaEl / %Hardness / HRC
AB1090 ± 1.51147 ± 1.514.5 ± 1.436.6 ± 0.6
DA1854 ± 13.21931 ± 8.18.5 ± 1.052.3 ± 0.3
SA2059 ± 9.92114 ± 9.06.0 ± 1.454.7 ± 0.4