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Deformation behaviour of sintered silicon–copper steel preforms of various aspect ratios during cold upsetting

Ananthanarayanan, Rajeshkannan (2010) Deformation behaviour of sintered silicon–copper steel preforms of various aspect ratios during cold upsetting. The International Journal of Advanced Manufacturing Technology, 50 (5-8). pp. 509-515. ISSN 0268-3768

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Abstract

Present investigation pertains to analyse some aspect on the cold deformation behaviour of sintered silicon–copper steel preforms. The well-established phenomenon for raising the density in the powder metallurgy preform is to induce the extended strain. An attempt has been made to understand the attained densification as a function of new strain parameter , which results in a power law relationship. Further interest has shown to compare the conventional plastic Poisson’s ratio to instantaneous Poisson’s ratio, for which theoretical description were also made. This analysis shows some marginal difference between them; however, its characteristic nature is unique. In addition, various stresses that influence the deformation behaviour are also studied with respect to the induced axial strain.

Item Type: Journal Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Ms Mereoni Camailakeba
Date Deposited: 25 May 2010 11:58
Last Modified: 09 Jul 2012 14:19
URI: http://repository.usp.ac.fj/id/eprint/1722
UNSPECIFIED

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