Calculations of Stress-Strain Relations in Alpha-Beta Ti-Mn Alloys.

Abstract

Elastic interactions at the Widmanstatten alpha-beta titanium alloy interfaces that arise due to compatibility requirements have been calculated for various orientations of the interface with respect to the stress axis. It is shown that maximum interactions are found when the stress axis lies in or close to the interface and 40 degrees away from (0001) alpha beta aids the elastic deformation of alpha much more strongly on the basal slip systems than on either prism or pyramidal slip systems. The significance of these interactions stresses on the initiation of plastic flow is considered. The effect of the interface phase on the elastic interaction stresses has been considered and a possible role of interface stresses on elevated temperature creep of alpha-beta alloys has been suggested.

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Document Details

Document Type
Technical Report
Publication Date
Feb 05, 1980
Accession Number
ADA082346

Entities

People

  • Harold Margolin
  • Sreeramamurthy Ankem

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Chemical Engineering
  • Creep
  • Crystal Structure
  • Crystals
  • Materials
  • Materials Science
  • Mechanical Properties
  • Mechanics
  • Metallurgy
  • Military Research
  • Physics Laboratories
  • Shear Stresses
  • Standards
  • Stress Strain Relations
  • Stresses
  • Titanium
  • Titanium Alloys

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Powder metallurgy of Titanium alloys.