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US 2023/0243269 A1Published application
Gas turbine engine article with serpentine groove for coating interlock
AssigneeRaytheon Technologies Corporation
InventorsZhigang Wang, Tahany El-Wardany, Xia Tang, Gajawalli V. Srinivasan, Anthony G. Ruglio, Xiaomei Fang
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Abstract
A gas turbine engine article includes a substrate that has a pre-bond surface that includes a serpentine groove. A coating is disposed on the pre-bond surface and mechanically interlocks with the serpentine groove.
Claims21
A gas turbine engine article comprising:
- a substrate including a pre-bond surface having a serpentine groove;
- and
- a coating disposed on the surface and mechanically interlocking with the serpentine groove.
A gas turbine engine comprising:
- a compressor section;
- a combustor in fluid communication with the compressor section;
- and
- a turbine section in fluid communication with the combustor, the turbine section including articles that each comprise:
- a substrate including a pre-bond surface having a serpentine groove, and
- a coating disposed on the pre-bond surface and mechanically interlocking with the serpentine groove.
3 more elements
Dependencies are inferred from the claim text.