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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/649

Title: Reduction of interconnected porosity in zirconia-based thermal barrier coating
Authors: RAJENDRAN, R
RAJA, VS
SIVAKUMAR, R
SRINIVASA, RS
Keywords: porosity
thermal barrier coating
zirconia
Issue Date: 1995
Publisher: ELSEVIER SCIENCE SA LAUSANNE
Citation: SURFACE & COATINGS TECHNOLOGY,73(3)198-200
Abstract: Chemical vapour deposition of zirconia was carried out on yttria-stabilized zirconia based thermal barrier coating to close down the surface pores. Scanning electron micrographs of the surface and the cross-section indicate that the surface cracks and pores could be closed and that the deposited layer penetrates the plasma-sprayed yttria-stabilized zirconia layer. The interconnected porosity, determined by the measurement of diffusion current density in 5% NaCl solution, was found to be reduced to about 98% even by a 10 mu m thick overlayer.
URI: http://dx.doi.org/10.1016/0257-8972(94)02368-9
http://dspace.library.iitb.ac.in/xmlui/handle/10054/13070
http://hdl.handle.net/100/649
ISSN: 0257-8972
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