SiCf/TiAl复合材料界面反应及热稳定性

沈莹莹, 张国兴, 贾清, 王玉敏, 崔玉友, 杨锐

Interfacial Reaction and Thermal Stability of the SiCf/TiAl Composites

SHEN Yingying, ZHANG Guoxing, JIA Qing, WANG Yumin, CUI Yuyou, YANG Rui

表1 800℃热暴露不同时间后SiCf/TiAl复合材料界面反应层厚度和碳层厚度

Table 1 Thicknesses of interfacial reaction layer and carbon layer of SiCf/TiAl composite after thermal exposure at 800oC for different time

Thermal exposure time / h Thickness of the interfacial reaction layer / μm Thickness of the carbon layer / μm 25 1.312 2.003 50 1.376 1.982 100 1.472 1.912 150 1.573 1.897 200 1.620 1.869