Nucleation of Shear Bands on EB-PVD Thermal Barriers Coatings under Hertzian Indentations

Abstract:

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In this paper the formation of shear bands in columnar EB-PVD thermal barriers coatings is studied. In particular, critical parameters of nucleation of shear bands, such as contact pressure and initiation of cracks in the columns, are extracted from the experimental results. The pertinence of these parameters is discussed respecting to the stress field induced in the material during the indentation.

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Periodical:

Edited by:

Marc Anglada et al.

Pages:

277-280

DOI:

10.4028/www.scientific.net/KEM.333.277

Citation:

Y. Gaillard et al., "Nucleation of Shear Bands on EB-PVD Thermal Barriers Coatings under Hertzian Indentations", Key Engineering Materials, Vol. 333, pp. 277-280, 2007

Online since:

March 2007

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$35.00

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