FURTHER INVESTIGATIONS ON MEDIUM STRENGTH WELDABLE AL-ZN-MG.

Abstract

Further investigations have been carried out on Al-Zn-Mg alloys, having zinc and magnesium content ranging from 4 to 5% Zn and from 1 to 3% Mg. The research has been developed along the following lines: (1) evaluation of the tensile properties of extrusions and plates as a function of isothermal and two-step ageing cycles; (2) anodic stress-corrosion tests on extrusions and plates, stressed respectively on the long and on the short-transverse direction; (3) corrosion tests on unwelded and welded sheets exposed in different environments (accelerated corrosion; exposure in urban and in marine atmosphere); (4) study of the influence of the structure modifications depending on heating cycles like those occurring during welding, on the corrosion resistance of Al-4%Zn-2.7%Mg (+Cr, +Mn, +Zr) alloy sheets; (5) tensile tests at cyrogenic temperatures on notched and unnotched specimens taken from sheets. (Author)

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1967
Accession Number
AD0816520

Entities

People

  • Ettore Di Russo

Tags

DTIC Thesaurus Topics

  • Atmospheres
  • Corrosion
  • Corrosion Resistance
  • Environment
  • Extrusion
  • Magnesium
  • Marine Atmospheres
  • Resistance
  • Stress Corrosion
  • Tensile Properties
  • Test And Evaluation
  • Transverse

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Metallurgy