Effect of Thermomechanical Treatment of the Stress Corrosion Cracking Susceptibility of Beta III Titanium.

Abstract

Specimens receiving cold-working treatments of 0, 2, 5, 10, 20, and 50% were given 8 hour precipitation hardening treatments at 900F and subsequently subjected to stress levels of 80% of yield in a 3.5w/o NaCl at ambient temperature. An alternate wet/dry test was used to simulate actual service conditions. These tests were conducted until failure occurred or a minimum of 720 hourtest time limit had elapsed. A 720 hour test time was considered sufficient to establish the degree of stress corrosion cracking susceptibility. A more severe test was performed on a small number of specimens to determine if crack initiation was a factor in stress corrosion cracking. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1972
Accession Number
AD0748359

Entities

People

  • John H. Seats

Organizations

  • Air Force Institute of Technology

Tags

DTIC Thesaurus Topics

  • Cold Working
  • Corrosion
  • Cracks
  • Dispersion Hardening
  • Fabrication
  • Hardening
  • Material Degradation Processes
  • Material Forming Processes
  • Materials Processing
  • Mechanical Working
  • Precipitation
  • Stress Corrosion
  • Stress Corrosion Cracking
  • Titanium

Readers

  • Materials Science and Engineering.
  • Structural Health Monitoring of Composite Structures.