Mechanical Properties and Fracture Toughness of Ti-6Al-2Sn-4Zr-2Mo

Abstract

The purpose of this program was to obtain mechanical property and toughness parameter data for Ti-6Al-2Sn-4Zr-2Mo in two heat-treated conditions. Solution temperatures of 1650 and 1790 F followed by an aging treatment at 1100 F were selected. Variables considered include specimen location and orientation, plus notch orientation for the toughness specimens. Light microscopy, X-ray, and fatigue crack growth patterns were also studied and correlated with the above parameters. The most significant finding in this investigation was the enhancement in toughness parameter data with increased heat treatment temperature. Impact and precracked Charpy (W/A) values were approximately doubled and plane-strain fracture toughness values were increased roughly 17%.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1973
Accession Number
AD0766681

Entities

People

  • Charles F. Hickey Jr.
  • Thomas S. Desisto

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Alloys
  • Governments
  • Grain Boundaries
  • Heat Treatment
  • Massachusetts
  • Materials
  • Mechanical Properties
  • Mechanics
  • Microstructure
  • Orientation (Direction)
  • Security
  • Tensile Properties
  • Titanium
  • Titanium Alloys
  • Toughness
  • United States
  • X Rays

Fields of Study

  • Materials science

Readers

  • Materials Science (Mechanical Engineering).
  • Systems Analysis and Design