Thermal Barrier Coating on Gamma Titanium Aluminide by EB-PVD 9783659412189

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Автор: Meysam Keshavarz
Название: Thermal Barrier Coating on Gamma Titanium Aluminide by EB-PVD
ISBN: 9783659412189
Издательство: LAP LAMBERT Academic Publishing
Классификация:

Инженерное дело: Общие вопросы

ISBN-10: 365941218X
Обложка/Формат: Paperback
Страницы: 92
Вес: 0.15 кг.
Дата издания: 17.06.2013
Язык: English
Иллюстрации: Black & white illustrations
Размер: 229 x 152 x 6
Читательская аудитория: General (us: trade)
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Описание: Thermal barrier coating (TBC) systems are indispensable for utilization in gas turbine engines to decrease the thermal effect and enhance turbine efficiency by considerably raising applied gas temperatures. TBCs are typically composed of an underlying metallic bond coat known as MCrAlY (M=Ni,Co) acting as an oxidation resistant layer, and yttria-stabilized zirconia (YSZ) as a ceramic top coat that provides thermal insulation toward the metallic substrate. In this study Inter-metallic alloy based on Gamma Titanium Aluminide was chosen as a substrate due to its low density as compared to the conventional Nickel-based super alloy which made it competent to be an important structural material in high-temperature aerospace and automotive applications. TBCs bond coat and ceramic top coat were performed by EB-PVD at different partial pressures of Oxygen during deposition of the top layer in order to get deeper insight into the correlation between adhesion and deposition process parameters.

Thermal Barrier Coating on Gamma Titanium Aluminide by EB-PVD, Meysam Keshavarz