Process for Producing an Adhesion-Promoting Layer on a Surface of a Titanium Material
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United States of America Patent
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Jun 5, 2014
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Jul 13, 2012
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Jul 5, 2011
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Abstract
A method for producing an adhesion promoting layer on a surface of a titanium material involves introducing the surface into an aqueous alkaline solution of sodium hydroxide at a concentration in a range from 100 to 300 g/l, sodium tartrate at a concentration in a range from 20 to 200 g/l, methyl glycine diacetic acid trisodium at a concentration in a range from 5 g/l to 60 g/l, and pentasodium triphosphate at a concentration in a range from 2 g/l to 20 g/l. A voltage is applied between the solution and the titanium material for a predefined period of time, in order to produce the layer by anodic oxidation of the surface.
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