C和B的含量对K417G镍基高温合金的凝固行为和高温持久性能的影响

舒德龙, 严志, 王道红, 谢君, 侯桂臣, 盛乃成, 李金国, 于金江, 孙晓峰, 周亦胄

Influence of C- and B-content on Solidification and High Temperature Stress Rupture Behavior of Nickel-based Superalloy K417G

SHU Delong, YAN Zhi, WANG Daohong, XIE Jun, HOU Guichen, Naicheng SHENG, LI Jinguo, YU Jinjiang, SUN Xiaofeng, ZHOU Yizhou

图11 No.2合金持久断裂后断口附近的形貌和Cr、Ti元素在裂纹附近的分布

Fig.11 Microstructures near the fracture (a) and the distributions of Cr and Ti near the crack (b, c) of No.2 alloy after stress rupture to fracture