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6 经1000℃氧化20 h后基体合金及共渗层的表面XRD图谱和横截面BSE形貌
Fig.6 Cross BSE images and surface XRD patterns of Si-Al-Y co-deposition coatings and TiAl alloy after oxidation at 1000℃ for 20 h a XRD patterns; b TiAl alloy; c Si-Al-Y co-deposited coating; d High-magnified of the scale