FCP Report No. 33

Finite Element Simulation of the Microstructure of Gray Cast Iron

by

Edward S. Russell
Department of Mechanical and Industrial Engineering

Abstract

A two-dimensional finite element model was constructed in which the microstructure of gray cast iron was represented as an array of graphite flakes in a steel matrix. These flakes were allowed to open in tension but to resist compression. The computer program which was used has cyclic plasticity capabilities and can simulate crack growth.

The model was shown to simulate the tensile, constant amplitude cyclic, and variable amplitude cyclic responses of gray iron well enough to include all the characteristic features of gray iron behavior. The potential was demonstrated for using the model to investigate the effects of variations in microstructure on mechanical behavior of gray iron.

Download (1 MB)