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2 AB、DA和SA试样中奥氏体晶面间距 (nm)

Table 2 Intergranular spacings of austenite in AB, DA, and SA states

Intergranular AB DA SA spacing (111) 0.20797 0.20788 0.20765 (200) 0.18024 0.18002 0.17994 (220) 0.12729 0.12728 0.12711 (311) 0.10856 0.10854 0.10840 (222) 0.10388 0.10369 0.10375