Stress-Corrosion Cracking of Al-Zn-Mg Alloys: The Corrosion Behavior of Grain Boundary Constituents

Abstract

Since the grain-boundary constituents in Al-Zn-Mg alloys are generally too fine for their corrosion behavior to be studied in situ, an experimental approach involving simulation was adopted. This involved the examination of the corrosion behavior of a small ingot of MgZn2, the Al-Zn-Mg alloy in the as-quenched state, and pure aluminum. The pure aluminum and the as-quenched alloy were considered to represent the two limiting cases of the material comprising the precipitate-free zone; pure aluminum representing the limiting case of the solute-depleted region and the as-quenched alloy the vacancy depleted region.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1972
Accession Number
AD0753273

Entities

People

  • A. J. Sedriks
  • D. L. Novak
  • J. A. S. Green

Organizations

  • Martin Marietta

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aluminum
  • Body Weight
  • Boundaries
  • Classification
  • Crack Tips
  • Cracks
  • Current Density
  • Electrodes
  • Grain Boundaries
  • Materials
  • Particles
  • Polarization
  • Precipitates
  • Security
  • Solid Solutions
  • Stress Corrosion
  • Stress Corrosion Cracking

Fields of Study

  • Materials science

Readers

  • Computational Modeling and Simulation
  • Materials Science and Engineering.