Accession Number : ADD015812

Title :   Formation of Pitting Resistant Anodized Films on Aluminum.

Descriptive Note : Patent, filed 20 Nov 90, patented 27 Apr 93,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Ahearn, John S , Jr ; Davis, Guy D ; Moshier, William C

Report Date : 27 Apr 1993

Pagination or Media Count : 4

Abstract : A method and apparatus for retarding the pitting of aluminum by coating the aluminum with a film which includes molybdenium oxide. The aluminum material is preexposed to a molybdate solution before anodizing in a sodium tartrate solution.

Descriptors :   *ALUMINUM, *FILMS, *MOLYBDATES, *PITTING, *PATENTS, *RESISTANCE, *ANODIC COATINGS, COATINGS, MATERIALS, OXIDES, SODIUM, TARTRATES, PROTECTIVE TREATMENTS, CORROSION INHIBITION

Subject Categories : Properties of Metals and Alloys
      Coatings, Colorants and Finishes
      Inorganic Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE