Table of Contents
Textures and Microstructures
Volume 10, Issue 2, Pages 153-164
http://dx.doi.org/10.1155/TSM.10.153

Model Calculations of Elastic Moduli in Highly Deformed Composites

Department of Physical Metallurgy, TU Clausthal, Germany

Received 24 June 1988

Copyright © 1989 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Young's modulus of heavily deformed two-phase composites shows an unusually high increase after plastic deformation. It is assumed that this is due to two reasons, i.e. texture changes and changes of the moduli of the constitutive phases on the basis of non-linear elasticity theory and internal stresses of opposite sign in the phases. Expressions of the two contributions are given on the basis of simple model assumptions. It is estimated that the changes of shape and arrangement of the phases and shape and arrangement of the crystallites in the phases are only of minor importance.