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RESEARCH PAPERS

Elastic Moduli of Gray and Nodular Cast Iron

[+] Author and Article Information
G. R. Speich, A. J. Schwoeble, B. M. Kapadia

Research Laboratory, United States Steel Corporation, Monroeville, Pa. 15146

J. Appl. Mech 47(4), 821-826 (Dec 01, 1980) (6 pages) doi:10.1115/1.3153797 History: Received January 01, 1979; Revised June 01, 1980; Online July 21, 2009

Abstract

The elastic moduli of both gray and nodular cast iron were measured by a pulse-echo elastic-wave technique at ambient and elevated temperatures up to 760°C. When compared at similar graphite contents, the elastic moduli of gray cast iron were much lower than those of nodular cast iron. These results are satisfactorily explained by theoretical models for the elastic moduli of two-phase solids which take into account not only the volume fraction but also the shape of the graphite particles. The temperature-dependence of the elastic moduli of both gray and nodular cast iron can also be correctly predicted from these same models.

Copyright © 1980 by ASME
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