Yttrium Aluminum Garnet Powder Feedstock for Atmospheric Plasma Spray
| Autor: | Emil Andre Valaker, Fahmi Mubarok, Nuria Espallargas |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Materials science
Metallurgy chemistry.chemical_element Atmospheric-pressure plasma 030206 dentistry 02 engineering and technology Yttrium engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics Surfaces Coatings and Films Thermal barrier coating 03 medical and health sciences Crystallinity 0302 clinical medicine chemistry Coating Aluminium Materials Chemistry engineering Cubic zirconia 0210 nano-technology Thermal spraying |
| Zdroj: | Journal of thermal spray technology |
| Popis: | High demands for higher turbine efficiency bring attention to newer and more advanced insulating materials for the high temperature components in the turbine. Yttrium aluminum garnet (YAG) has shown good insulating properties in the previous published research, such as higher temperature limitation and better resistance to calcium–magnesium–alumina–silicate environmental contaminant penetration than the more conventional yttria-stabilized zirconia systems. Whereas in literature, coatings of YAG are typically prepared by solution deposition processes, in the present work YAG powder has been prepared for more conventional thermal spraying methods. The goal is to show the potential YAG powders have as a thermal barrier coating. Different approaches for obtaining a successful deposition and a good coating have been explored. Small-sized industrial-supplied powder and larger in-house-made powder have been compared, emphasizing the importance of energy used for deposition and crystallinity in the final coating. Highly crystalline material has successfully been produced with F4 atmospheric plasma spray system without post-treatment or substrate heating. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. |
| Databáze: | OpenAIRE |
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