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Anodizing And Sealing Aluminum In Nonchromated SolutionsImproved process for anodizing and sealing aluminum involves use of 5 volume percent sulfuric acid in water as anodizing solution, and 1.5 to 2.0 volume percent nickel acetate in water as sealing solution. Replaces process in which sulfuric acid used at concentrations of 10 to 20 percent. Improved process yields thinner coats offering resistance to corrosion, fatigue life, and alloy-to-alloy consistency equal to or superior to those of anodized coats produced with chromated solutions.
Document ID
19950065397
Document Type
Other - NASA Tech Brief
Authors
Emmons, John R. (Rockwell International Corp.)
Kallenborn, Kelli J. (Rockwell International Corp.)
Date Acquired
August 17, 2013
Publication Date
May 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 5
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-30021
Accession Number
95B10238
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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