Inventors:
John S. Ahearn - Sykesville MD
Guy D. Davis - Columbia MD
William C. Moshier - Englewood CO
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
C25D 1106
Abstract:
A method and apparatus for retarding the pitting of aluminum by coating the luminum with a film which includes molybdenium oxide.
The aluminum material is preexposed to a molybdate solution before anadizing in a sodium tartrate solution.