Dehydriding of Titanium Alloy (Ti-6246) Hydrided Powder

Abstract

A systematic investigation of temperature - pressure - time variables for dehydriding titanium alloy (Ti-6246) powder was made to determine practical processing conditions for reducing the hydrogen content of the powder to levels below 100 ppm. Analyses of the experimental results of tests made between 1200F and 1500F indicate that 1500F is the optimum dehydriding temperature. The controlling process for dehydriding can be expressed by second order reaction 2H(gas) = H2 (gas) with an activation energy of 21,760 plus or minus 1840 cal. Below 0.088 micron partial pressure of hydrogen, the type of vacuum system used for dehydriding is believed to be the major factor for removal of these molecules.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1974
Accession Number
AD0783235

Entities

People

  • N. Birla
  • Vincent Depierre

Organizations

  • University of Cincinnati

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Arrhenius Equation
  • Chemical Analysis
  • Computer Programs
  • Crystal Structure
  • Diffusion Coefficient
  • Heat Of Activation
  • Materials
  • Materials Laboratories
  • Mechanical Properties
  • Metals
  • Partial Pressure
  • Titanium
  • Titanium Alloys
  • X Rays
  • X-Ray Diffraction

Fields of Study

  • Materials science

Readers

  • Chemistry (specifically Chemical Fluorescence)
  • Metallurgy
  • Thermal Physics or Thermal Science.