Self-Enhancing Thermal Insulation Performance of Bimodal-Structured Thermal Barrier Coating

作者: Wei-Wei Zhang , Guang-Rong Li , Qiang Zhang , Guan-Jun Yang , Guo-Wang Zhang

DOI: 10.1007/S11666-018-0754-7

关键词:

摘要: Nanostructured thermal barrier coatings (nano-TBCs) are being extensively studied because of their excellent thermal barrier properties. The occurrence of sintering in TBCs is inevitable in service; however, accelerated sintering of the nano-TBCs may cause premature failure. This study focuses on the changes of microstructure and thermal conductivity of bimodal nano-TBCs during thermal exposure. Results show that there are two stages in the sintering process. It was found that the thermal conductivity increased rapidly in the first …

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