Method for forming a temperature sensing layer within a thermal barrier coating
Abstract
A thermal barrier coated component, such as a turbine blade formed from a superalloy substrate, includes a thermal barrier coating applied onto the substrate. A metallic bond coat layer is on the substrate and includes rare-earth luminescent dopants. A ceramic top coat layer is on the bond coat layer. A temperature sensing thermally grown oxide (TGO) layer is formed at the interface of the bond coat layer and ceramic top coat layer. The temperature sensing TGO layer includes grown rare-earth luminescent ions migrated from the metallic bond coat layer in an amount sufficient to enable luminescence sensing of the TGO layer for real-time phosphor thermometry temperature measurements at the TGO layer.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Central Florida, Orlando, FL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1998502
- Patent Number(s):
- 11680323
- Application Number:
- 17/649,929
- Assignee:
- University of Central Florida Research Foundation, Inc. (Orlando, FL)
- DOE Contract Number:
- FE0031282
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 02/04/2022
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Fouliard, Quentin, Ghosh, Ranajay, and Raghavan, Seetha. Method for forming a temperature sensing layer within a thermal barrier coating. United States: N. p., 2023.
Web.
Fouliard, Quentin, Ghosh, Ranajay, & Raghavan, Seetha. Method for forming a temperature sensing layer within a thermal barrier coating. United States.
Fouliard, Quentin, Ghosh, Ranajay, and Raghavan, Seetha. Tue .
"Method for forming a temperature sensing layer within a thermal barrier coating". United States. https://www.osti.gov/servlets/purl/1998502.
@article{osti_1998502,
title = {Method for forming a temperature sensing layer within a thermal barrier coating},
author = {Fouliard, Quentin and Ghosh, Ranajay and Raghavan, Seetha},
abstractNote = {A thermal barrier coated component, such as a turbine blade formed from a superalloy substrate, includes a thermal barrier coating applied onto the substrate. A metallic bond coat layer is on the substrate and includes rare-earth luminescent dopants. A ceramic top coat layer is on the bond coat layer. A temperature sensing thermally grown oxide (TGO) layer is formed at the interface of the bond coat layer and ceramic top coat layer. The temperature sensing TGO layer includes grown rare-earth luminescent ions migrated from the metallic bond coat layer in an amount sufficient to enable luminescence sensing of the TGO layer for real-time phosphor thermometry temperature measurements at the TGO layer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {6}
}
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