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Effect of strain rate on tensile and compression behaviour of Al-Si/graphite composite

Rajaram, G and Kumaran, S and Suwas, Satyam (2011) Effect of strain rate on tensile and compression behaviour of Al-Si/graphite composite. In: Materials Science and Engineering A, 528 (19-20). pp. 6271-6278.

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Official URL: http://dx.doi.org/10.1016/j.msea.2011.04.077

Abstract

Effects of strain rate (10(-4)-10(-2) s(-1)) on tensile and compressive strength of the Al-Si alloy and Al-Si/graphite composite are investigated. The strain hardening exponent value of the composite was more than that of the alloy for all strain rates during tensile and compressive loading. The yield stress of the composite was more than that of the ultimate tensile strength of the alloy for all strain rates. Tensile and compressive properties of the alloy and composite are dependent on strain rates. The negative strain rate sensitivity was observed for the composite and alloy at lower strain rates during the compression and tension loading respectively. (C) 2011 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Al-Si alloy;Graphite;Strain rate sensitivity;Strain hardening;Mechanical properties
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 03 Aug 2011 06:29
Last Modified: 03 Aug 2011 06:29
URI: http://eprints.iisc.ac.in/id/eprint/39600

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