Reaction Mechanism and Thermal Insulation Property of Al-deposited 7YSZ Thermal Barrier Coating
作者： Xiaofeng Zhang , Kesong Zhou , Wei Xu , Jinbing Song , Chunming Deng
DOI: 10.1016/J.JMST.2015.06.002
关键词:
摘要: To increase the performance and efficiency of thermal barrier coating (TBC), it is important to improve insulation property. In this work, a columnar Al film was deposited at top 7 wt% yttria-stabilized zirconia (7YSZ) TBC by magnetron sputtering. A vacuum heat treatment then carried out property Al-deposited TBC. Reaction mechanism Al-ZrO2 system in studied differential analysis (DTA). The phase structures as-sprayed TBC, vacuum-treated were characterized. microstructure evolution illustrated after treatment. And treated compared. results show that multi-scaled layer, consisting micron/nano structured α-Al2O3 Al3Zr grain situ synthesized 7YSZ via with overlay has better than
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