DISLOCATIONS IN COUPLE STRESS ELASTICITY.

Abstract

The equations of linear couple stress elasticity are used to find stress distributions due to the simple edge and screw dislocations in a hollow circular cylinder. The stress fields resulting from the edge dislocation are found to deviate considerably from their classical values as the radius of the dislocation core approaches the characteristic length of the couple stress media. Furthermore, couples exist on the ends of the cylinder in order to maintain a state of plane deformation. For a screw dislocation along the axis of a circular cylinder the resulting twist is found to decrease from its classical value as the radius of the cylinder approaches the characteristic length of the media. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1964
Accession Number
AD0609408

Entities

People

  • H. Cohen

Organizations

  • Honeywell International, Inc.

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Diseases And Disorders
  • Dislocations
  • Elastic Properties
  • Equations
  • Mathematics
  • Mechanical Properties

Readers

  • Materials Science and Engineering.
  • Structural Dynamics.