SYMPOSIA PAPER Published: 01 January 1987
STP25850S

Barrier Coatings for the Protection of Steel and Aluminum Alloys in the Marine Atmosphere

Source

The marine atmospheric corrosion resistance of a variety of metallic, ceramic, and metallic/ceramic coatings on aluminum and steel alloys is investigated to assess the long term protection capabilities of these barrier coatings. Results of 6 to 42 month exposures indicate that the following coatings provide the best marine atmospheric corrosion protection: thermal sprayed aluminum, zinc, zinc-aluminum pseudo alloy, aluminum oxide (Al2O3), and both zinc-based and aluminum-based metallic/ceramic coatings. The application of a low viscosity sealer to one of the ceramic coatings extends the protective capability of the coating.

Author Information

Shaw, BA
David Taylor Naval Ship Research and Development Center, Bethesda, MD
Aylor, DM
David Taylor Naval Ship Research and Development Center, Bethesda, MD
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Details
Developed by Committee: G01
Pages: 206–219
DOI: 10.1520/STP25850S
ISBN-EB: 978-0-8031-5023-2
ISBN-13: 978-0-8031-0966-7