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Nanocrystalline grain structures developed in commercial purity Cu by low-temperature cold rolling

Published online by Cambridge University Press:  31 January 2011

Y. M. Wang ,
M. W. Chen ,
H. W. Sheng  and
E. Ma
Y. M. Wang
Affiliation:
Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218
M. W. Chen
Affiliation:
Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218
H. W. Sheng
Affiliation:
Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218
E. Ma*
Affiliation:
Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218
*
b)Address all correspondence to this author.[email protected]
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Abstract

Nanocrystalline pure copper was obtained by cold rolling a commercial bulk Cu to very large extensions at subambient temperatures. The eventual formation of nanocrystalline grain structures is attributed to dynamic grain refinement (recrystallization) mechanisms activated by the low-temperature continuous plastic deformation that leads to ultrahigh densities of dislocations.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 17 , Issue 12 , December 2002 , pp. 3004 - 3007
Copyright
Copyright © Materials Research Society 2002

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