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Materials and DesignVolume 57, May 2014, Pages 510-519

Thermo-mechanical responses of an aluminum alloy processed by equal channel angular pressing(Article)

  • aAMI - Center of Excellence for Research in Engineering Material, King Saud University, Riyadh, Saudi Arabia
  • bMechanical Engineering Department, King Saud University, Riyadh, Saudi Arabia

Abstract

A comprehensive study on the large deformation responses of Equal Channel Angular Pressing (ECAP) processed AA6082 over wide ranges of strain rates (10-4≤ε̇≤5×103s-1) and temperatures (294 ≤ T≤ 473 K) are presented. The circular billets of as-received AA6082 was solution treated prior to over aging. The over aged billets were then ECAP processed at room temperature to 4 and 6 passes using route C. The Vickers micro hardness measurements indicated a gradual increase in the hardness values with number of ECAP passes. A significant increase in the yield strength with number of passes has also been observed. The observed compression experimental responses were modeled using the modified form of Johnson-Cook (JC) constitutive model. The correlations and predictions from the model are close to the observed experimental responses. © 2014 Elsevier Ltd.

Indexed keywords

Engineering controlled terms:Billets (metal bars)
Compendex keywordsCircular billetDeformation responseHardness valuesJohnson-CookOver-agingRoom temperatureThermo-mechanical responseVickers microhardness
Engineering main heading:Equal channel angular pressing
  • ISSN: 02641275
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1016/j.matdes.2014.01.009
  • Document Type: Article
  • Publisher: Elsevier Ltd

  El-Danaf, E.; AMI - Center of Excellence for Research in Engineering Material, King Saud University, Saudi Arabia;
© Copyright 2015 Elsevier B.V., All rights reserved.

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Baig, M. , El-Danaf, E. , Mohammed, J.A.
A Study on the Synergistic Effect of ECAP and Aging Treatment on the Mechanical Properties of AA6082
(2016) Journal of Materials Engineering and Performance
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