K.K., Pathak and N. , Ramakrishnan (2007) Optimization of Die Angle and ram Velocity for Rod Extrusion Using Dynamic Material Modeling and Generic Algorithm. Indian jounral of engineering and material sciences, 14. pp. 399-402. ISSN 0971-4588

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Abstract

Selection of processing and geometrical parameters is a crucial step in the extrusion process design. Optimized parameters may result in desirable microstructure at minimum load. To achieve this goal, dynamic material modeling (DMM) and genetic algorithms (GA) are used in this study. Selection of strain rate and temperature is done by DMM which insures dynamic recrystalization (DRX) zone during processing. Minimization of punch load is formulated as a nonlinear programming problem which is solved using GA to result in optimum ram velocity and die angle. Two rod extrusion processes are successfully optimized using proposed approach.

Item Type:	Article
Subjects:	Material/Component Development, Processing and Characterization > Mineral Processing/Beneficiation
Divisions:	UNSPECIFIED
Depositing User:	Mr. B.K. Prasad
Date Deposited:	24 Sep 2013 07:37
Last Modified:	24 Sep 2013 07:37
URI:	http://ampri.csircentral.net/id/eprint/585

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