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The Variation of Grain Boundary Energy in Copper with Boundary Plane Orientation

Published online by Cambridge University Press:  26 February 2011

R. Omar  and
H. Mykura
R. Omar
Affiliation:
Now at the Malaysian National University, Bangi, Selangor, Malaysia
H. Mykura
Affiliation:
Physics Department, University of Warwick, Coventry, CV4 7AL, England
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Abstract

Copper wires annealed at 1000°C to produce a ‘bamboo’ grain structure were used to measure the grain boundary energy, γB, and its dependence on boundary plane orientation, δγB/δϕ. Data for boundaries between crystals showing the ∑11 orientation relation were used to integrate the δγB/δϕ values to give a ‘γB-plot’ for ‑11 boundaries. The ‑11 and ‑33 γB-plots were added together. Comparison with a ‑33 YB-plots indicates the conditions under which a ‑33 boundary dissociates into separate ‑11 and ‑33 boundaries.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 122: Symposium I – Interfacial Structure, Properties, and Design , 1988 , 61
Copyright
Copyright © Materials Research Society 1988

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References

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