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Constitutive equation for elevated temperature flow behavior of plain carbon steels using dimensional analysis

Phaniraj, MP and Lahiri, AK (2008) Constitutive equation for elevated temperature flow behavior of plain carbon steels using dimensional analysis. In: Materials & Design, 29 (3). pp. 734-738.

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Abstract

Dimensional analysis using π-theorem is applied to the variables associated with plastic deformation. The dimensionless groups thus obtained are then related and rewritten to obtain the constitutive equation. The constants in the constitutive equation are obtained using published flow stress data for carbon steels. The validity of the constitutive equation is tested for steels with up to 1.54 wt%C at temperatures: 850–1200 °C and strain rates: 6 × 10−6–2 × 10−2 s−1. The calculated flow stress agrees favorably with experimental data.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 10 Mar 2010 06:25
Last Modified: 19 Sep 2010 05:56
URI: http://eprints.iisc.ernet.in/id/eprint/26080

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