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Investigation of interfacial microstructures between LZ splats and YSZ substrate by HR-TEM

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Thermally-sprayed LZ/YSZ double-layer coatings are promising candidate for the next generation thermal barrier coatings (TBCs) due to exceedingly low thermal conductivity and superior high-temperature phase stability. However, a delamination failure at LZ and YSZ interface were widely observed during TBCs service. Till today, the interfacial microstructure between LZ and YSZ remains unclear. In the present study, LZ splats were deposited on YSZ substrate to serve as a LZ/YSZ interface. The interfacial microstructure was explored by focused ion beam (FIB) and high-resolution transmission electron microscope (HR-TEM). The interfacial defects at splat interface were clearty observed and thoroughly discussed. These results would shed light on deeply understanding the interfacial failure of double-layer LZ/YSZ coatings.

源语言英语
主期刊名International Thermal Spray Conference and Exposition, ITSC 2017
出版商ASM International
911-916
页数6
ISBN(电子版)9781510858220
出版状态已出版 - 2017
活动International Thermal Spray Conference and Exposition, ITSC 2017 - Dusseldorf, 德国
期限: 7 6月 20179 6月 2017

出版系列

姓名Proceedings of the International Thermal Spray Conference
2

会议

会议International Thermal Spray Conference and Exposition, ITSC 2017
国家/地区德国
Dusseldorf
时期7/06/179/06/17

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