Elevated Temperature Behavior of Metal-Matrix Composites.

Abstract

A three fold approach is utilized to develop three-dimensional temperature dependent plasticity relations for unidirectional metal-matrix composites. First, two elasto-plastic boundary value problems are formulated for a typical repeating element in a hexagonal array of fibers. This is used to numerically determine temperature dependent stress-strain relations for loadings such as transverse tension, transverse shear, and axial shear. Next, global plasticity considerations are used to construct isothermal, incremental stress-strain relations for a transversely isotropic fiber composite in terms of the known one-dimensional stress-strain relations. Finally, these results are extended to include changes in temperature resulting in a set of effective stress-strain relations incremental in stress, strain, and temperature. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1981
Accession Number
ADA113128

Entities

People

  • E. A. Humphreys
  • Zvi Hashin

Tags

DTIC Thesaurus Topics

  • Air Force
  • Boundary Value Problems
  • Climate Change
  • Composite Materials
  • Equations
  • Materials
  • Materials Science
  • Mechanics
  • Metal Matrix Composites
  • Micromechanics
  • Modulus Of Elasticity
  • Numerical Analysis
  • Plastic Explosives
  • Plastic Properties
  • Stress Strain Relations
  • Stresses
  • Three Dimensional

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Reinforced Composite Materials