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5 经过不同热工艺后的样品在760 ℃/790 MPa条件下的蠕变断口形貌

Fig.5 Fractograph of specimens treated by different thermal processes after creep under condition of 760 oC/790 MPa (a, b) HIP; (c, d) coating thermal process; (e, f) brazing thermal process; (b, d, f) magnified morphologies in box area in Fig.5a, c, e