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Influence of carbon content on strain hardening behaviour of sintered plain carbon steel preforms

Narayan, Sumesh and Ananthanarayanan, Rajeshkannan (2011) Influence of carbon content on strain hardening behaviour of sintered plain carbon steel preforms. Journal of Iron and Steel Research: International, 18 (9). pp. 33-40. ISSN 1006-706X

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    Abstract

    Complete experimental investigation on the instantaneous strainhardeningbehaviour of powder metallurgy (P/M) preforms of pure iron, Fe-0. 35%C, Fe-0. 75%C and Fe-1. l%C was carried out. The strainhardeningbehaviour of the above-mentioned P/M sinteredsteel preforms with aspect ratio of 0. 4 under triaxial stress state condition was determined by cold upsetting under nil/no and graphite lubricant conditions. The instantaneous strainhardening value (ni), strength coefficient (Ki), and the stress as a function of strain and densification were obtained and analyzed. Furthermore, a relation was obtained from a semi-log plot of stress against relative density and analyzed to study the hardeningbehaviour owing to densification as stress was a function of induced strain as well as densification in the P/M materials.

    Item Type: Journal Article
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
    Depositing User: Ms Shalni Sanjana
    Date Deposited: 21 Jun 2011 20:12
    Last Modified: 21 Jun 2012 20:12
    URI: http://repository.usp.ac.fj/id/eprint/4799
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