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TECHNICAL PAPERS: Gas Turbines: Ceramics

Effects of Alloy Composition on the Performance of Yttria Stabilized Zirconia—Thermal Barrier Coatings

[+] Author and Article Information
Josh Kimmel, Zaher Mutasim, William Brentnall

Solar Turbines Incorporated, San Diego, California 92186-5376

J. Eng. Gas Turbines Power 122(3), 393-400 (May 15, 2000) (8 pages) doi:10.1115/1.1287494 History: Received March 09, 1999; Revised May 15, 2000
Copyright © 2000 by ASME
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References

Figures

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Typical as-coated thermal barrier coating microstructure of a Platinum Aluminide bond coat and EB-PVD deposited Yttria stabilized Zirconia top coat on CMSX-4 substrate
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Aluminum oxide film grown at EB-PVD TBC top coat/ Platinum Aluminide bond coat interface for CMSX-4 specimen
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Typical as-coated thermal barrier coating microstructure of a Platinum Aluminide bond coat and EB-PVD deposited Yttria stabilized Zirconia top coat on CMSX-10 substrate
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Typical as-coated thermal barrier coating microstructure of an air plasma sprayed CoNiCrAIY-Si bond coat and Yttria stabilized Zirconia top coat on CMSX-4 substrate
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Thermal cycle oxidation test specimens in post-test condition: (a) EB-PVD TBC on MAR-M 247 alloy; (b) EB-PVD TBC on CMSX-4 alloy; (c) EB-PVD TBC on CMSX-10 alloy; (d) APS TBC on MAR-M 247 alloy; (e) APS TBC on CMSX-4 alloy; and (f) APS TBC on CMSX-10 alloy.
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Air plasma sprayed TBC microstructure on CMSX-4 substrate after thermal cycle testing
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Air plasma sprayed TBC microstructure on CMSX-10 substrate after thermal cycle testing
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Thermally grown oxide (TGO) layer at EB-PVD TBC top coat/Platinum Aluminide bond coat interface at the edge of the CMSX-4 specimen after thermal cycle testing
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Thermally grown oxide (TGO) layer at EB-PVD TBC top coat/Platinum Aluminide bond coat interface at the center of the CMSX-4 specimen after thermal cycle testing
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Cross section of the Platinum Aluminide bond coat and EB-PVD top coat TBC on CMSX-10 substrate after thermal cycle testing

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