GLTRS--Glenn
TITLE AND SUBTITLE:
Development of Thin Film Ceramic Thermocouples for High Temperature Environments

AUTHOR(S):
John D. Wrbanek, Gustave C. Fralick, Serene C. Farmer, Ali Sayir, Charles A. Blaha, and José M. Gonzalez

REPORT DATE:
August 2004

FUNDING NUMBERS:
WBS-22-794-20-55

PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
John H. Glenn Research Center at Lewis Field
Cleveland, Ohio 44135-3191

PERFORMING ORGANIZATION REPORT NUMBER:
E-14719

SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Washington, DC 20546-0001

REPORT TYPE AND DATES COVERED:
Technical Memorandum

SPONSORING/MONITORING AGENCY REPORT NUMBER:
NASA TM-2004-213211
AIAA-2004-3549

SUPPLEMENTARY NOTES:
Prepared for the 40th Joint Propulsion Conference and Exhibit cosponsored by AIAA, ASME, SAE, and ASEE, Fort Lauderdale, Florida, July 11-14, 2004. John D. Wrbanek, Gustave C. Fralick, and Serene C. Farmer, NASA Glenn Research Center; Ali Sayir, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106-4901; Charles A. Blaha and José M. Gonzalez, Akima Corporation, 22021 Brookpark Road, Fairview Park, Ohio 44126. Responsible person, John D. Wrbanek, organization code 5510, 216-433-2077.

ABSTRACT:
The maximum use temperature of noble metal thin film thermocouples of 1100 °C (2000 °F) may not be adequate for use on components in the increasingly harsh conditions of advanced aircraft and next generation launch technology. Ceramic-based thermocouples are known for their high stability and robustness at temperatures exceeding 1500 °C, but are typically found in the form of rods or probes. NASA Glenn Research Center is investigating the feasibility of ceramics as thin film thermocouples for extremely high temperature applications to take advantage of the stability and robustness of ceramics and the non-intrusiveness of thin films. This paper will discuss the current state of development in this effort.

SUBJECT TERMS:
Thin films; Ceramics; Thermocouples; High temperature environments

NUMBER OF PAGES:
15

PDF AVAILABLE FROM URL:
2004/TM-2004-213211.pdf ( 3,616 KB )
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