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Control of transient thermal response during sequential open-die forging: A trajectory optimization approach

Frazier, WG and Seshacharyulu, T and Medeiros, SC and Prasad, YVRK (2002) Control of transient thermal response during sequential open-die forging: A trajectory optimization approach. In: Journal of Manufacturing Science and Engineering, 124 (3). pp. 502-508.

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Abstract

A trajectory optimization approach is applied to the design of a sequence of open-die forging operations in order to control the transient thermal response of a large titanium alloy billet. The amount of time tire billet is soaked in furnace prior to each successive forging operation is optimized to minimize the total process time while simultaneously satisfying constraints on the maximum and minimum values of the billet's temperature distribution to avoid microstructural defects during forging. The results indicate that a "differential" heating profile is the most effective at meeting these design goals.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Society of Mechanical Engineers.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Jul 2011 09:33
Last Modified: 21 Jul 2011 09:33
URI: http://eprints.iisc.ernet.in/id/eprint/39076

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