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1 不同热工艺后DD413的组织形貌

Fig.1 Microstructure of DD413 after different thermal processes (a, c, e, g) dendrite region; (b, d, f, h) interdendrite region; (a, b) standard heat treatment; (c, d) HIP; (e, f) coating thermal process; (g, h) brazing thermal process