Corrosion Resistant Chromate Conversion Coatings for Heat-Treated Aluminum Alloys.
Abstract
An improved method of coating 7000 series aluminum alloys, which are difficult to coat uniformly, with a coating resistant to long term corrosion in a salt spray environment is disclosed. By using a chromate solution of very low pH and applying that solution first as a cleaner, followed by brush application to form the final coating, an extended resistance to corrosion at least 2 to 3 times the usual duration is achieved readily.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 23, 1992
- Accession Number
- ADD015366
Entities
People
- Lionel J. Balin
- Wash Kostinko