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2 1050℃4 h所制备的Si-Al-Y共渗层表面a、中间层b和内层c的XRD图谱
Fig.2 Si-Al-Y co-deposition coating prepared at 1050℃ for 4 h surfaces a, middle layer b and inner layer c XRD patterns of