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The Non-Thickness-Limited Growth of Anodic Oxide Films on Valve Metals
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The Non-Thickness-Limited Growth of Anodic Oxide Films on Valve Metals
The Non-Thickness-Limited Growth of Anodic Oxide Films on Valve Metals
Brian Melody
Brian Melody
TK
Tony Kinard
Tony Kinard
PL
Philip Lessner
Philip Lessner
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1 January 1999
journal article
Published by
The Electrochemical Society
in
Electrochemical and Solid-State Letters
Vol. 1
(3)
,
126-129
https://doi.org/10.1149/1.1390659
Abstract
A method of anodizing valve metals in glycerin‐based solutions at elevated temperature to produce nonporous oxide films is presented. The thickness is not limited by the anodizing voltage, but by the amount of time at voltage or, more accurately, by the total amount of ionic current passed through the film. The importance of hydroxyl ion injection to film aging (i.e., the reduction in the level of current passing through a film held at constant voltage) during traditional anodizing is demonstrated. ©1998 The Electrochemical Society
Keywords
LIMITED GROWTH
ANODIZING
AGING
OXIDE FILMS
VALVE METALS
ANODIC OXIDE
CURRENT PASSED
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Open Access
Cited by 44 articles