热工艺对一种镍基单晶高温合金蠕变性能的影响
胡彭钦, 王栋, 卢玉章, 张健

Effect of Thermal Processes on Creep Properties of a Nickel-based Single Crystal Superalloy
HU Pengqin, WANG Dong, LU Yuzhang, ZHANG Jian
图4 经过不同热工艺后的样品在980 ℃/248 MPa条件下的蠕变拉断和中断纵截面组织
Fig.4 γ/γ′ microstructure evolution in the longitudinal sections of creep specimens treated by different thermal processes. Tests interrupted at different stages under condition of 980 oC/248 MPa (a, b, c) HIP; (d, e, f) coating thermal process; (g, h, i) brazing thermal process; (a, d, g) 2 h; (b, e, h) 10 h; (c, f, i) fracture sample