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3 在25和700 ℃下Ni-Fe基高温合金(含HAZ)时效态的拉伸性能
Table 3 Tensile properties of Ni-Fe base superalloy (containing HAZ) after aging treatment at 25 and 700 ℃
Temperature / ℃ Fracture position Rp0.2 / MPa Rm / MPa A / %
25
Base metal 613 1055 28.0
HAZ 625 1076 27.6
HAZ 632 1078 26.0
700 Base metal 535 780 22.4
Base metal 530 775 21.6
Base metal 545 785 23.2