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Thermal Cycling and Hot-Corrosion Behavior of Plasma Sprayed Segmented Thermal Barrier Coatings

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Abstract:

Modified zirconia thermal barrier coatings (TBCs) with segmentation cracks were sprayed onto a TMS 82+ single crystalline substrate. The thermal cycling lifetime of the modified TBC was improved by 10 times compared to that of the traditional non-segmented TBC. Also, the modified coating showed much better resistance to high temperature cyclic hot-corrosion.

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Info:

Periodical:

Materials Science Forum (Volumes 546-549)

Pages:

1713-1716

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.546-549.1713

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Online since:

May 2007

Authors:

Hong Bo Guo, Hideyuki Murakami, Seiji Kuroda

Keywords:

Hot Corrosion, Segmentation Cracks, Thermal Barrier Coating (TBC), Thermal Cycling

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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