Title

Surface Characterization of Cerium Based Conversion Coatings

Abstract

The goal of this research is to produce, characterize and evaluate coatings based on inorganic inhibitors which can serve as potential replacements for the chromated coatings currently used for corrosion protection in the aircraft industry. An inorganic cerium-based conversion coating has been developed and an invention disclosure has been made on the process. Panels survive over 336-hour salt fog testing at UMR and Boeing facilities which apparently meets the Mil Spec requirements for a conversion coating system. The cerium conversion coatings on aluminum 7075 and 2024 panels were coated with a cathodic E-Coat. The panels that had been scribed, survived 2000 hours salt fog exposure.

Meeting Name

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (1999, St. Louis, MO, USA)

Department(s)

Chemistry

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1999 American Institute of Aeronautics and Astronautics (AIAA), All rights reserved.

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