焊接热循环及时效处理对一种Ni-Fe基高温合金的组织和力学性能的影响*
吴栋, 王鑫, 董文超, 陆善平

EFFECTS OF WELDING THERMAL CYCLE AND AGING TREATMENT ON THE MICROSTRUCTURE AND MECHANICAL PROPERTY OF A Ni-Fe BASE SUPERALLOY
WU Dong, WANG Xin, DONG Wenchao, LU Shanping
表2 Ni-Fe基高温合金在25和700 ℃下的拉伸性能
Table 2 Tensile properties of Ni-Fe base superalloy at 25 and 700 ℃
Sample Temperature / ℃ Rp0.2 / MPa Rm / MPa A / %
Base metal 25
528 990 36.5
HAZ 299 679 39.8
Base metal 700
458 712 20.5
HAZ 253 523 31.1