New Technologies of Anodizing Components of Oil and Gas Industry Equipment Made of Aluminum Alloys

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Abstract:

The injection of ozone into the air mixture for a barbotage of electrolyte at anodization of an aluminum alloy D16 in 5 % aqueous solution of sulfuric acid increases final thickness of oxide coating by 45 - 53 %, and simultaneous ultrasonic affecting and bubbling of electrolyte by the ozone-aerial mixture - only on 30 - 35 %, however in the latter case microhardness and wear resistance of coating increase. The additional applying of vibration decreases thickness, microhardness and wear resistance of an oxide layer.

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121-125

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June 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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