Positron Annihilation Gamma Ray Lineshape Studies of Defects in Solids.

Abstract

Positron annihilation measurements, performed via Doppler broadening of the annihilation gamma photon energy distributions, have been effectively applied to follow age hardening, hydrogen embrittlement, dislocation generation during single crystal bending, phase transformations in steel, deformation of both samples containing precipitates and preprecipitates and the deformation of steel. The technique is nondestructive and sensitive to line and point defects, interfaces, and microvoids. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 24, 1980
Accession Number
ADA088856

Entities

People

  • J. G. Byrne

Organizations

  • University of Utah

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Age Hardening
  • Air Force
  • Crystal Lattices
  • Crystal Structure
  • Crystals
  • Doppler Effect
  • Hardening
  • Heat Treatment
  • Hydrogen Embrittlement
  • Materials
  • Materials Science
  • Measurement
  • Phase Transformations
  • Point Defects
  • Solid Solutions
  • Solid State Physics
  • Subatomic Particles

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Metallurgy
  • Solar Physics