用于氢气燃气轮机的陶瓷隔热板的YAG渗透和等离子喷涂涂层作为环境屏障涂层的热循环

IF 2.8 Q1 MATERIALS SCIENCE, CERAMICS

Open Ceramics Pub Date : 2025-08-18 DOI:10.1016/j.oceram.2025.100837

J.C. Müller-Elmau , A. Göbel , P. Junge , J.T. Müller , T.C. Rousseau , O. Görke , C. Nikasch , S. Kiliani

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引用次数: 0

摘要

环境屏障涂层（EBC）旨在保护热水蒸气条件下的氧化铝瓷砖，使燃气轮机能够在高氢含量甚至纯氢的情况下运行。对于这些操作条件，钇铝石榴石（YAG）承诺最高的防水解保护，可通过大气等离子体喷涂（APS）应用。为了提高保护效率，涂层与基材的预先渗透相结合。即使涂层出现裂缝，所获得的设计也可以起到深度保护的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Thermal cycling of YAG infiltration and plasma sprayed coatings as environmental barrier coating on ceramic heat shields for use in hydrogen operating gas turbines

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Thermal cycling of YAG infiltration and plasma sprayed coatings as environmental barrier coating on ceramic heat shields for use in hydrogen operating gas turbines

Environmental barrier coatings (EBC) are intended to protect alumina ceramic tiles in hot water vapor conditions, enabling gas turbines to operate with higher hydrogen content or even pure hydrogen. For these operating conditions, yttrium aluminum garnet (YAG) promises the highest protection against hydrolysis, which can be applied via atmospheric plasmaspraying (APS). To enhance the protection efficiency, the coating is combined with a prior infiltration of the base material. The obtained design acts as in-depth protection even if the coating exhibits cracks.

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