我国典型金属间化合物基高温结构材料的研究进展与应用
宫声凯1(),尚勇1,张继2,郭喜平3,林均品4,赵希宏5
Application and Research of Typical Intermetallics-Based High Temperature Structural Materials in China
GONG Shengkai1(),SHANG Yong1,ZHANG Ji2,GUO Xiping3,LIN Junpin4,ZHAO Xihong5

图6. Nb-15Si-22Ti-5Cr-3Al-3Hf合金在2050 ℃和200 μm/s抽拉速率下有坩埚整体定向凝固纵截面和横截面的微观组织

Fig.6. Longitudinal (a) and transverse (b) microstructures of Nb-15Si-22Ti-5Cr-3Al-3Hf alloy integrally directionally solidified at 2050 ℃ and a withdrawal rate of 200 μm/s