INVESTIGATION OF THE MECHANISM OF STRESS CORROSION OF ALUMINUM ALLOYS

Abstract

Methods have been developed to utilize the standard 1/8-inch diameter tensile bar and stressing fixture for conductivity studies to establish the cathodic protection criterion for both unstressed and stressed specimens. An anodic polarization technique that shows promise for evaluating the interaction between metallurgical structure and electrolyte has been developed. There are two important factors in the technique: (1) an anodic pretreatment to develop active, localized attack characteristic of the metallurgical structure and (2) a rapid scanning rate to evaluate this localized attack before it is stifled by film repair.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1964
Accession Number
AD0434234

Entities

People

  • G. C. English
  • William King

Organizations

  • Alcoa

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Aluminum
  • Aluminum Alloys
  • Anodic Polarization
  • Cathodic Protection
  • Conductivity
  • Contracts
  • Corrosion
  • Current Density
  • Electrical Conductivity
  • Government Procurement
  • Materials
  • Materials Laboratories
  • Metals
  • Ordnance Laboratories
  • Polarization
  • Standards
  • Stress Corrosion

Fields of Study

  • Materials science

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Metallurgy
  • Surface Engineering/Surface Coating Technology.