Quantitative analysis of pores of two types in a plasma-sprayed coating

Quantitative microstructural analyses of thermally sprayed coatings are reviewed. Then a ceramic plasma-sprayed coating is analysed using light microscopy and image analysis. Globular pores and interlamellar flat pores are reconstructed from serial sections of a specimen and their volume and surface...

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Bibliographic Details
Published in:Materials characterization 2006-06, Vol.56 (4), p.297-304
Main Authors: Ctibor, Pavel, Lechnerová, Radka, Beneš, Viktor
Format: Article
Language:English
Subjects:
Globular pores
Homogeneity
Interlamellar flat pores
Plasma-sprayed coating
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Summary:Quantitative microstructural analyses of thermally sprayed coatings are reviewed. Then a ceramic plasma-sprayed coating is analysed using light microscopy and image analysis. Globular pores and interlamellar flat pores are reconstructed from serial sections of a specimen and their volume and surface area histograms are estimated. The spatial distribution of pores is described using a method based on 3D distances and testing of complete spatial randomness is performed. Interpretations of results in terms of the physical background of the material are discussed.
ISSN:1044-5803
1873-4189
DOI:10.1016/j.matchar.2005.11.016