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Title: Thermal barrier coating

Abstract

A thermal barrier coating for hot gas path components of a combustion turbine based on a zirconia-scandia system. A layer of zirconium scandate having the hexagonal Zr.sub.3 Sc.sub.4 O.sub.12 structure is formed directly on a superalloy substrate or on a bond coat formed on the substrate.

Inventors:
 [1];  [2];  [3]
  1. (Gibsonia, PA)
  2. (Orlando, FL)
  3. (Oviedo, FL)
Issue Date:
Research Org.:
Westinghouse Electric Corp
OSTI Identifier:
873735
Patent Number(s):
6231998
Assignee:
Siemens Westinghouse Power Corporation (Orlando, FL) ORNL
DOE Contract Number:  
FC21-95MC32267
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
thermal; barrier; coating; hot; gas; path; components; combustion; turbine; based; zirconia-scandia; layer; zirconium; scandate; hexagonal; zr; 12; structure; formed; directly; superalloy; substrate; bond; coat; bond coat; formed directly; combustion turbine; thermal barrier; hot gas; barrier coating; alloy substrate; gas path; coat formed; superalloy substrate; /428/416/427/

Citation Formats

Bowker, Jeffrey Charles, Sabol, Stephen M., and Goedjen, John G. Thermal barrier coating. United States: N. p., 2001. Web.
Bowker, Jeffrey Charles, Sabol, Stephen M., & Goedjen, John G. Thermal barrier coating. United States.
Bowker, Jeffrey Charles, Sabol, Stephen M., and Goedjen, John G. Mon . "Thermal barrier coating". United States. https://www.osti.gov/servlets/purl/873735.
@article{osti_873735,
title = {Thermal barrier coating},
author = {Bowker, Jeffrey Charles and Sabol, Stephen M. and Goedjen, John G.},
abstractNote = {A thermal barrier coating for hot gas path components of a combustion turbine based on a zirconia-scandia system. A layer of zirconium scandate having the hexagonal Zr.sub.3 Sc.sub.4 O.sub.12 structure is formed directly on a superalloy substrate or on a bond coat formed on the substrate.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2001},
month = {1}
}

Patent:

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