GALVANIC PROTECTION BY METAL SPRAY METHOD,

Abstract

The metal flame-spray method of application was used to develop techniques, whereby bi-metal junctions may be treated with an optimum coating to combat galvanic corrosion. Steel, aluminum, and magnesium panels, and steel, aluminum, magnesium, stainless steel, and copper ''buttons'' were used in making up the corrosion couples. A successful procedure to produce reliable adhesion was developed. Where good adhesion procedures were maintained, excellent galvanic corrosion resistance resulted. Pure tin metal sprayed coatings proved superior, generally, to aluminum (5056) metal-sprayed coatings as a guard against galvanic corrosion. Correspond ing test panels were exposed in the 5% salt spray (fog) cabinet and outdoors. There was a correla tion between the results obtained in the salt spray (fog) test and the outdoor test. (Author)

Document Details

Document Type
Technical Report
Publication Date
Mar 31, 1963
Accession Number
AD0412499

Entities

People

  • J. Knanishu

Tags

DTIC Thesaurus Topics

  • Adhesion
  • Aluminum
  • Corrosion
  • Corrosion Resistance
  • Galvanic Corrosion
  • Magnesium
  • Metals
  • Resistance
  • Stainless Steel
  • Steel
  • Thermal Spraying

Fields of Study

  • Materials science

Readers

  • Aerospace Test and Evaluation
  • Snow Cover Descriptors for Reptiles and Their Illustrations.
  • Surface Engineering/Surface Coating Technology.