SLIP BAND EXTRUSION IN FATIGUED CLOSE PACKED HEXAGONAL METALS,

Abstract

The surface topography produced in fatigued cadmium, zinc, and magnesium polycrystals is described: slip band extrusions occur in cadmium and magnesium but not in zinc. The distribution of the extrusions is related to the dislocation configurations observed in these metals: on the basis of these results a dislocation mechanism involving glissile dislocation dipoles is proposed to account for both extrusions and intrusions in face centred cubic and close packed hexagonal metals. (Author)

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1964
Accession Number
AD0453323

Entities

People

  • P. G. Partridge

Organizations

  • Royal Aircraft Establishment

Tags

DTIC Thesaurus Topics

  • Dislocations
  • Extrusion
  • Geographic Distribution
  • Intrusion
  • Magnesium
  • Metals
  • Polycrystals
  • Topography

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Metallurgy