不同服役条件下<strong>FGH96</strong>合金的蠕变特征

Processing math: 100%

不同服役条件下FGH96合金的蠕变特征

彭子超, 刘培元, 王旭青, 罗学军, 刘健, 邹金文

Creep Behavior of FGH96 Superalloy at Different Service Conditions

PENG Zichao, LIU Peiyuan, WANG Xuqing, LUO Xuejun, LIU Jian, ZOU Jinwen

图8 FGH96合金在690 MPa、不同温度条件下蠕变后形成的微孪晶

Fig.8 Microtwins in FGH96 superalloy after creep at 690 MPa and various temperatures
(a) 650^oC (b) 670^oC (c) 704^oC (d) 720^oC (e) 750^oC
(f) HRTEM and selected area electron diffraction (SAED) pattern of the area in Fig.8d (Arrow [

$2 \bar{1} 1$

] shows the dislocation slip direction of stacking fault, [

$11 \bar{1}$

] and [

$\bar{1} 1 \bar{1}$

] represent the normal directions of (

$11 \bar{1}$

) and (

$\bar{1} 1 \bar{1}$

) faces)