选区激光熔化GH4169高温合金的微观组织和力学性能
孙勇飞, 向超, 张涛, 吴文伟, 邹志航, 刘金鹏, 孙桂芳, 蒲吉斌, 韩恩厚

Microstructures and Mechanical Properties of GH4169 Superalloy Manufactured by Selective Laser Melting
SUN Yongfei, XIANG Chao, ZHANG Tao, WU Wenwei, ZOU Zhihang, LIU Jinpeng, SUN Guifang, PU Jibin, HAN En-Hou
表1 热处理工艺参数
Table 1 Parameters of heat treatment process
StateSolutionAging
ABNoneNone
DANone720 oC for 8 h, furnace
cooling to 620 oC;
620 oC for 8 h, air cooling
SA980 oC for 1 h,720 oC for 8 h, furnace
air coolingcooling to 620 oC;
620 oC for 8 h, air cooling