Title: Quantitative determination of through-coating porosity in thin ceramic physically vapour-deposited coatings
Authors: Celis, Jean-Pierre ×
Drees, Dirk
Maesen, Erwin
Roos, Jozef #
Issue Date: 25-Feb-1993
Publisher: Elsevier science sa lausanne
Series Title: Thin Solid Films vol:224 issue:1 pages:58-62
Abstract: An experimental method is proposed to determine in a quantitative way the through-coating porosity of thin ceramic coatings deposited on metallic substrates. The method is based on a coulometric measurement performed during potentiodynamic polarization of a coated sample. Since coating and substrate materials may interact electrochemically, a standard addition procedure to derive the porosity index has been worked out. The porosity of different TiN-based physically vapour-deposited coatings has been compared. The porosity values obtained are more realistic in comparison with those obtained by other methods.
ISSN: 0040-6090
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical and Extractive Metallurgy Section (-)
× corresponding author
# (joint) last author

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