Accession Number : AD0666217

Title :   CATASTROPHIC PITTING OF ALUMINUM-ALLOY (ALMAG 35) CASTINGS DURING SULFURIC ACID ANODIZING,

Corporate Author : ARMY MOBILITY EQUIPMENT RESEARCH AND DEVELOPMENT CENTER FORT BELVOIR VA

Personal Author(s) : Lasser,Howard G. ; Asher,Emerson

Report Date : JAN 1968

Pagination or Media Count : 20

Abstract : A problem concerned with the catastrophic pitting of aluminum-alloy (ALMAG 35) castings while being anodized is described. A method for overcoming this problem makes use of recognized preanodizing cleaning techniques. A proposed mechanism for the encountered corrosion is presented as an explanation to this problem. (Author)

Descriptors :   (*ALUMINUM ALLOYS, CORROSION), CASTINGS, ANODIC COATINGS, CORROSION INHIBITION, CLEANING, DEFECTS(MATERIALS), MAGNESIUM ALLOYS, SULFURIC ACID

Subject Categories : Properties of Metals and Alloys
      Fabrication Metallurgy

Distribution Statement : APPROVED FOR PUBLIC RELEASE