TiAl合金表面Si-Al-Y共渗层的组织及高温抗氧化性能
李涌泉1, 谢发勤1, 吴向清1, 李轩1,2

Microstructure and High Temperature Oxidation Resistance of Si-Al-Y Co-deposition Coatings Prepared on TiAl alloy by Pack Cementation Process
LI Yong-Quan1, XIE Fa-Qin1, WU Xiang-Qing1, LI Xuan1,2
图4 渗包内被渗元素的卤化物在900~1150℃范围内的平衡气相分压
Fig.4 Equilibrium partial pressures of gaseous halide compounds in the packs at 900~1150℃