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RESEARCH PAPERS

Influence of Microstructural Inhomogeneity on the Formability and Fracture of a Carbon Steel

[+] Author and Article Information
Yoshito Mitani N.

Laboratorios de Ingeniería Metalúrgica, E.S.I.Q.I.E., National Polytechnic Institute, Mexico

J. Eng. Mater. Technol 101(1), 18-21 (Jan 01, 1979) (4 pages) doi:10.1115/1.3443639 History: Received May 11, 1978; Revised July 13, 1978; Online August 17, 2010

Abstract

The dependence of drawability in carbon steel on the grain size shows that a finer grain size is desirable for the better production. On the other hand, the characteristics of fracture in Olsen cup test are determined by the microstructural inhomogeneity. Several microstructures are prepared by adequate heat treatment and the formability and fracture mode are examined from the point of view of microstructural inhomogeneity. Good correlation between the second phase distribution and the formability in deep drawing is obtained. An anisotropic factor R/ΔR also well explains the formability.

Copyright © 1979 by ASME
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