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Thermo-mechanical modeling of two phase rolling and microstructure evolution in the hot strip mill - Part I. Prediction of rolling loads and finish rolling temperature

Phaniraj, Madakasira Prabhakar and Behera, Binod Bihari and Lahiri, Ashok Kumar (2005) Thermo-mechanical modeling of two phase rolling and microstructure evolution in the hot strip mill - Part I. Prediction of rolling loads and finish rolling temperature. In: Journal of Materials Processing Technology, 170 (1&2). pp. 323-335.

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Abstract

Part I of this paper deals with the simulation of a hot strip mill from the roughing mill exit to the end of the finishing mill. The commercial finite element software, DEFORM was used to simulate deformation and heat transfer. Recrystallisation and grain growth occurring in the strip were modeled using semi-empirical equations available in literature. Comparing model predictions with industrial data indicated that the \gamma -> \gamma + \alpha transformation occurred in the finishing mill. The applicability of the model was investigated for 18 plain carbon steel strips of final thickness 2.0-4.0 mm with 0.025-0.139%C. The loads and finishing rolling temperatures were predicted with an accuracy of \pm 15% and \pm 15 degree C, respectively.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Elsevier.
Keywords: Hot strip rolling;Carbon steels;FEM;Sensitivity analysis;Strain induced transformation
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 23 Dec 2005
Last Modified: 19 Sep 2010 04:22
URI: http://eprints.iisc.ernet.in/id/eprint/4740

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