Plasma-sprayed ceramic coatings: anisotropic elastic and conductive properties in relation to the microstructure; cross-property correlations

Authors
Sevostianov, I Kachanov, M
Citation
I. Sevostianov et M. Kachanov, Plasma-sprayed ceramic coatings: anisotropic elastic and conductive properties in relation to the microstructure; cross-property correlations, MAT SCI E A, 297(1-2), 2001, pp. 235-243
Citations number
27
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN journal
09215093 → ACNP
Volume
297
Issue
1-2
Year of publication
2001
Pages
235 - 243
Database
ISI
SICI code
0921-5093(20010115)297:1-2<235:PCCAEA>2.0.ZU;2-Z
Abstract
Effective anisotropic elastic stiffnesses and thermal conductivities of the plasma sprayed ceramic coating are calculated in terms of the relevant mic rostructural parameters. The dominant features of the porous space are iden tified as strongly oblate (crack-like) pores that tend to be either paralle l or normal to the substrate. 'Irregularities' of the microstructure - the scatter in pore orientations - are shown to have a pronounced effect on the effective properties. The explicit elastic-conductive cross-property corre lations are derived. (C) 2001 Elsevier Science S.A. All rights reserved.