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Corrosion Behavior of Commercial Aluminum Alloy Processed by Equal Channel Angular Pressing
Joint Authors
Kahoul, Abdelkrim
Korchef, Atef
Source
International Journal of Corrosion
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-06-19
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
A commercial aluminum alloy was subjected to severe plastic deformation through equal channel angular pressing (ECAP).
The alloy contains a low volume fraction of α-AlFeSi located essentially at the grain boundaries.
The corrosion behavior of the ECAP’ed alloy was investigated in NaCl solution using potentiodynamic polarization and immersion tests.
The effects of scan rate and NaCl concentration on the alloy susceptibility to corrosion were also studied.
The results obtained were compared with those of the nonpressed alloy.
ECAP leads to an intensive grain refinement accompanied by an increased dislocation density.
All electrochemical tests confirm that corrosion resistance of the alloy remarkably diminished with increasing the ECAP number of passes.
This is presumably due to the breakdown of the α-AlFeSi after ECAP leading to higher number of galvanic cells and enhanced dissolution of the aluminum matrix.
American Psychological Association (APA)
Korchef, Atef& Kahoul, Abdelkrim. 2013. Corrosion Behavior of Commercial Aluminum Alloy Processed by Equal Channel Angular Pressing. International Journal of Corrosion،Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-513477
Modern Language Association (MLA)
Korchef, Atef& Kahoul, Abdelkrim. Corrosion Behavior of Commercial Aluminum Alloy Processed by Equal Channel Angular Pressing. International Journal of Corrosion No. 2013 (2013), pp.1-11.
https://search.emarefa.net/detail/BIM-513477
American Medical Association (AMA)
Korchef, Atef& Kahoul, Abdelkrim. Corrosion Behavior of Commercial Aluminum Alloy Processed by Equal Channel Angular Pressing. International Journal of Corrosion. 2013. Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-513477
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-513477