Accession Number : ADA331031

Title :   Growth and Breakdown of Surface Films and Localized Corrosion of Aluminum in Concentrated Chloride Media.

Descriptive Note : Conference proceedings,

Corporate Author : CALIFORNIA UNIV LOS ANGELES DEPT OF MECHANICAL AEROSPACE AND NUCLEAR ENGINEERING

Personal Author(s) : Lee, Jiajing ; Mal, Ajit K. ; Nobe, Ken

PDF Url : ADA331031

Report Date : JUN 1994

Pagination or Media Count : 14

Abstract : Oxide films and salt films form on metal surfaces during anodic dissolution. In high chloride concentration environments the oxide films break down and salt films form. Our overall goal is to ascertain the relationships between pitting and crack initiation, the formation and breakdown of salt films (including oxides) and mechanical stress for aluminum and titanium alloys in aggressive corrosion environments. This report presents results of some very preliminary experiments on aluminum alloys and titanium during anodic dissolution in chloride media. With more extensive studies, we seek to determine if nonlinear dynamic techniques can provide further information regarding the relationship between the fluctuations and oscillations observed during anodic metal dissolution and localized corrosion phenomena.

Descriptors :   *SYMPOSIA, *CORROSION, *ALUMINUM ALLOYS, *TITANIUM, MECHANICAL PROPERTIES, CRACKING(FRACTURING), FILMS, NONLINEAR SYSTEMS, OXIDES, HALIDES, PROTECTIVE COATINGS, OSCILLATION, PITTING.

Subject Categories : Industrial Chemistry and Chemical Processing
      Coatings, Colorants and Finishes
      Properties of Metals and Alloys

Distribution Statement : APPROVED FOR PUBLIC RELEASE