Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/9065
Title: Severely deformed copper by equal channel angular pressing
Authors: Ebrahimi, M.
Göde, Ceren
Keywords: Equal channel angular pressing
Impact test
Mechanical properties
Microstructural observation
Pure copper
Publisher: Elsevier B.V.
Abstract: Mechanical and microstructural analysis of equal channel angular pressed copper was experimentally investigated. The results showed that the hardness distribution uniformity was rapidly decreased after the first pass and gradually improved at the following passes. Also, the bottom region of the pressed material experienced lower Vickers hardness magnitude irrespective of pass number. Furthermore, the addition of 0.1% magnesium to the pure copper had a considerable effect on the distribution uniformity. In addition, the material fracture mode changed from ductile to brittle by the alteration of the dimples to cleavage planes mechanism. Moreover, the formability index was dramatically reduced after the first pass and slowly improved at the succeeding passes. Eventually, ECAP process led to the increment of low angle grain boundaries and the decrease of high angle grain boundaries at the initial passes and vice versa at the subsequent ones. © 2017 Chinese Materials Research Society
URI: https://hdl.handle.net/11499/9065
https://doi.org/10.1016/j.pnsc.2017.03.002
ISSN: 1002-0071
Appears in Collections:Denizli Teknik Bilimler Meslek Yüksekokulu Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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