Method for passivating a metal surface
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United States of America Patent
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Sep 26, 2017
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N/A
app pub date -
Mar 25, 2013
filing date -
Mar 29, 2012
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Abstract
A method for passivating a metal surface including, generating an atmospheric plasma beam by electrical discharge in a working gas, introducing an acid-containing passivating agent into the plasma beam, applying the plasma beam containing the passivating agent to the metal surface, and depositing a passivating salt on the metal surface by a reaction between the acid-containing passivating agent and the metal surface. This method simplifies the process for passivating a metal surface and renders it more effective.
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