PROTECTIVE COATINGS FOR METALS
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United States of America Patent
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Jan 19, 2023
app pub date -
Dec 4, 2020
filing date -
Dec 4, 2020
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Abstract
The present invention relates to metals or metal alloys comprising a protective silicate glass-like coating, and methods for coating the metals or metal alloys. The methods comprise removal of any existing oxide layer from the metal or metal alloy, formation of a new oxide layer on the metal or metal alloy using chemical passivation or exposure to a gaseous oxidising environment, coating the oxidised metal or metal alloy with an aqueous silicate solution, and curing the coating.
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