Method to improve the corrosion resistance of aluminum alloys
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United States of America Patent
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Jul 19, 2016
Grant Date -
Sep 20, 2012
app pub date -
Mar 9, 2012
filing date -
Mar 18, 2011
priority date (Note) -
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Abstract
Aluminum-magnesium alloys are ideal for ship construction; however, these alloys can become sensitized and susceptible to intergranular corrosion when exposed to moderately elevated temperatures. A stabilization treatment has been developed to reverse sensitization and restore corrosion resistance, such that in-service plate can be refurbished rather than replaced. This treatment involves a short exposure to a specific elevated temperature range and can be implemented with portable units onboard a ship.
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