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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)


Article Title: A Review on Equal Channel Angular Extrusion as a Deformation and Grain Refinement Process
by Samuel T. Adedokun

Equal channel angular extrusion (ECAE) has been known over some years now as a deformation and grain refinement process for materials when pushed more than a couple of times through a die formed from two channels of equal cross-section, intersecting to form a 'sharp' corner. Since its invention in 1977 by V. M. Segal, it has been an essential tool by engineers and scientists for imparting various properties on the extruded material. It should be noted also that its usage gained more prominence in the early 80's. A lot of publications and articles have come up as reports after the use of ECAE on various materials. Various factors have been known to affect the properties and the microstructures of ECAEed materials. Some of these factors include temperature, die corner angle and type of route. This paper gives a concise summary of what ECAE entails as a deformation and grain refinement process. This was achieved after reviewing various articles in refereed journals published worldwide
Keywords: equal channel angular extrusion, routes, deformation, grain refinement
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom



Copyright © Journal of Emerging Trends in Engineering and Applied Sciences 2010