Paper Title:
Texture and Boundary Characteristics of Severely Deformed and Recrystallized Copper
  Abstract

Oxygen-free high conductivity copper was subjected to room temperature equal channel angular extrusion of 8 passes using route Bc. The resulting ultra-fine grain copper was then rolled to thickness reductions of up to 96.5% at liquid nitrogen temperatures. Annealed coarse grained copper was rolled to the same strain at room temperature for comparison. Samples from the two routes were isochronally and isothermally annealed, and the microstructure and texture evolution studied by electron back scattered diffraction and x-ray diffraction. Annealing of the ultrafine grained copper led to the development of a strong rotated cube texture from a texture in the rolled material dominated by the Brass component. In contrast the more commonly observed cube texture was found after annealing of the coarse-grained sample. Accompanying the rotated cube texture was the development of a large fraction of boundaries with rotation angle/axis close to 60° <111>.

  Info
Periodical
Materials Science Forum (Volumes 558-559)
Edited by
S.-J.L. Kang, M.Y. Huh, N.M. Hwang, H. Homma, K. Ushioda and Y. Ikuhara
Pages
177-182
DOI
10.4028/www.scientific.net/MSF.558-559.177
Citation
C. H.J. Davies, W. Q. Cao, C. F. Gu, R. Lapovok, E. V. Pereloma, "Texture and Boundary Characteristics of Severely Deformed and Recrystallized Copper", Materials Science Forum, Vols. 558-559, pp. 177-182, 2007
Online since
October 2007
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Price
$32.00
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