Combinations of borates, nitrates, phosphates, silicates, and sodium MBT protect aluminum from corrosion in fresh water. Most effective combinations contained sodium phosphate and were alkaline. These inhibitors replace toxic chromates which are subject to governmental restrictions, but must be used in larger quantities. Experimental exposure times varied from 1 to 14 months depending upon nature of submersion solution.
Less-toxic corrosion inhibitors
NASA Tech Briefs ; 5 , 4
1981-04-01
Miscellaneous
No indication
English
Low toxic corrosion inhibitors for alimiunum in fresh water
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Corrosion inhibitors for aerospace aluminium alloys
Tema Archive | 1989
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