W含量对一种高W镍基高温合金显微组织的影响
华涵钰1,2,谢君1(),舒德龙1,侯桂臣1,盛乃成1,于金江1,崔传勇1,孙晓峰1,周亦胄1
Influence of W Content on the Microstructure of Nickel Base Superalloy with High W Content
HUA Hanyu1,2,XIE Jun1(),SHU Delong1,HOU Guichen1,Naicheng SHENG1,YU Jinjiang1,CUI Chuanyong1,SUN Xiaofeng1,ZHOU Yizhou1

图12. 18%W合金凝固期间α-W分布变化示意图

Fig.12. Schematics of the distribution changing of α-W during solidification in the 18%W alloy (The blank area is liquid phase in Figs.12a and b, while it is inter-dendrite region in Fig.12c)(a) α-W precipitation(b) α-W in the liquid phase shifts toward the core(c) α-W distribution in the late solidification stage