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Equal Channel Angular Extrusion Characteristics on Mechanical Behavior of Aluminum Alloy

Abioye, Abiodun Ayodeji and Popoola, Abimbola Patricia Idowu and Abioye, Oluwabunmi Pamilerin (2017) Equal Channel Angular Extrusion Characteristics on Mechanical Behavior of Aluminum Alloy. INTECH. ISSN 978-953-51-3698-9

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Abstract

Materials strengthened by conventional methods such as strain hardening, solute additions, precipitation and grain size refinement are often adopted in industrial processes. But there is limitation to the amount of deformation that these conventional methods can impact to a material. This study focused on the review of major mechanical properties of aluminum alloys in the presence of an ultrafine grain size into polycrystalline materials by subjecting the metal to an intense plastic straining through simple shear without any corresponding change in the cross-sectional dimensions of the sample. The effect of the heavy strain rate on the microstructure of aluminum alloys was in refinement of the coarse grains into ultrafine grain size by introducing a high density of dislocations and subsequently re-arranging the dislocations to form an array of grain boundaries. Hence, this investigation is aimed at gathering contributions on the influence of equal channel angular extrusion toward improving the mechanical properties of the aluminum alloys through intense plastic strain.

Item Type: Article
Uncontrolled Keywords: : equal channel angular extrusion, strain hardening, severe plastic deformation
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: Mrs. Julie Ilogho
Date Deposited: 26 Dec 2017 19:18
Last Modified: 26 Dec 2017 19:18
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/9823

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