An Investigation of Deformation in Copper Single Crystals Using Equal-Channel Angular Pressing

Minoru Furukawa; Yukihide Fukuda; Keiichiro Oh-ishi; Z. Horita; Terence G. Langdon

doi:10.4028/www.scientific.net/MSF.503-504.113

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Influence of Cu on the Mechanical Properties of an Al-4.4wt%Mg Alloy after ECAP
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HomeMaterials Science ForumMaterials Science Forum Vols. 503-504An Investigation of Deformation in Copper Single...

An Investigation of Deformation in Copper Single Crystals Using Equal-Channel Angular Pressing

Abstract:

This paper describes experiments in which high purity copper single crystals of two different orientations were processed for one pass by equal-channel angular pressing (ECAP) and the deformed structures were examined using optical microscopy (OM), orientation imaging microscopy (OIM) and transmission electron microscopy (TEM). The first single crystal (0° specimen) was oriented within the entrance channel of the die so that the {111} slip plane and the <110> slip direction were parallel to the theoretical shear plane and shear direction, respectively. The second crystal (20° specimen) was oriented with the {111} slip plane and the <110> slip direction rotated by 20° in a clockwise sense from the theoretical shear plane and shear direction, respectively. For the 0° specimen, after passing through the shear plane there were two crystallographic orientations representing the initial orientation and an orientation rotated by 60° in a counter-clockwise sense from the initial orientation. For the 20° specimen, there was an orientation rotated by 20° in a counter-clockwise sense from the initial orientation after passing through the shear plane.

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Periodical:

Materials Science Forum (Volumes 503-504)

Pages:

113-118

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.503-504.113

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Online since:

January 2006

Authors:

Minoru Furukawa, Yukihide Fukuda, Keiichiro Oh-ishi, Z. Horita, Terence G. Langdon

Keywords:

Copper (Cu), Deformation Processes, Equal-Channel Angular Pressing (ECAP), Single Crystal, Texture

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