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US 2015/0306558 A1Published application
Anticoking catalyst coatings with alumina barrier layer
AssigneeGeneral Electric Company
InventorsMinghu GUO, Chuan LIN, Yanfei GU, Wen-Qing PENG, Lawrence Bernard KOOL, Hong ZHOU, Zhaohui YANG
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Abstract
An article including a metal substrate, an anti-coking catalyst layer and an alumina barrier layer disposed between the metal substrate and the anti-coking catalyst layer is provided. A process for making the article is also provided.
Claims20
An article, comprising:
- a metal substrate;
- an anti-coking catalyst layer;
- and
- an alumina barrier layer disposed between the metal substrate and the anti-coking catalyst layer.
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A process, comprising:
- aluminizing a metal substrate;
- heat treating the aluminized metal substrate to form an alumina barrier layer over the metal substrate;
- and
- applying an anti-coking catalyst layer to the alumina barrier layer.
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Dependencies are inferred from the claim text.