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6 704℃、不同加载应力条件下经过1.0%蠕变变形的FGH96合金TEM像

Fig.6 TEM images of FGH96 alloy with 1.0% crept strain under various loading stresses at 704oC (a) 690 MPa (b) 720 MPa (c) 750 MPa (d) 780 MPa (e) 810 MPa (f) HRTEM and selected area electron diffraction (SAED) pattern (inset) of the area in Fig.6e (Arrow [21¯1] shows the dislocation slip direction of stacking fault, [1¯11¯] and [111¯] represent the normal directions of (1¯11¯) and (111¯) faces)