Nb-Ti-Si-Cr基超高温合金表面ZrSi2-NbSi2复合渗层的组织及其抗高温氧化性能*
李轩,郭喜平(
),乔彦强
),乔彦强
MICROSTRUCTURE AND OXIDATION BEHAVIOR OF ZrSi2-NbSi2 MULTILAYER COATINGS ON AN Nb-Ti-Si-Cr BASE ULTRAHIGH TEMPERATURE ALLOY
Xuan LI,Xiping GUO(),Yanqiang QIAO
),Yanqiang QIAO
图4. 1250 ℃, 4 h互扩散后Zr膜与基体合金界面的SEM-BSE像和成分分布曲线
Fig.4. Cross-sectional SEM-BSE image (a) and element concentration profile (b) of the interface between the Zr film and base alloy after inter-diffusion at 1250 ℃ for 4 h (Vertical arrow in Fig.4a represents the analyses direction for the elements in Fig.4b)
