SOME PROPERTIES OF IRON, COPPER, AND SELECTED ALUMINUM ALLOYS INCLUDING TRUE STRESS-TRUE STRAIN AT REDUCED TEMPERATURES

Abstract

The metallurgical and mechanical properties of several face centered cubic materials (1100 Al, 7075-0 Al, 7075-T6 Al, OFHC Cu) and a body centered cubic material (Armco iron) were examined. Prior to undergoing tensile testing the materials were insured to have a nonoriented equiaxed grain structure and underween chemical analysis and hardness tests. The materials were then tensile tested at 296K in the atmosphere, at 77K in a liquid nitrogen bath, and at 4K in liquid helium. A continuous record of the axial load and of two perpendicular specimen profile traces produced a measurement of specimen true stress-true strain. Engineering stress-strain, elongation, and reduction in area were also calculated.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1968
Accession Number
AD0676705

Entities

People

  • James M. Carson
  • John M. Hawn

Organizations

  • University of Dayton

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Aluminum
  • Aluminum Alloys
  • Axial Loads
  • Chemical Analysis
  • Crystal Structure
  • Engineering
  • Gas Guns
  • Heat Treatment
  • Low Temperature
  • Materials
  • Materials Laboratories
  • Measurement
  • Mechanical Properties
  • Tensile Properties
  • Tensile Strength
  • Tensile Testing

Fields of Study

  • Materials science

Readers

  • Combustion and Flow Dynamics.
  • Mechanical Engineering/Mechanics of Materials.
  • Powder metallurgy of Titanium alloys.