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Microstructure and mechanical properties of sub-micron zinc structures

Published online by Cambridge University Press:  22 May 2012

Sumin Jin ,
Sujing Xie ,
Michael J. Burek ,
Zeinab Jahed  and
Ting Y. Tsui
Sumin Jin
Affiliation:
Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
Sujing Xie
Affiliation:
CAMCOR High Resolution and Analytical Facility, Department of Chemistry, University of Oregon, Eugene, Oregon, 97403-1241
Michael J. Burek*
Affiliation:
Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
Zeinab Jahed
Affiliation:
Department of Mechanical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
Ting Y. Tsui*
Affiliation:
Department of Chemical Engineering, Department of Mechanical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
*
b)Address all correspondence to this author. e-mail: [email protected]
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Abstract

The mechanical properties of submicron scale columnar zinc structures, with average diameters between 130 and 1060 nm, were characterized by uniaxial microcompression tests. The zinc pillars were fabricated by electron beam lithography and electroplating and were found to be generally single crystalline, with a preferred out-of-plane orientation close to the [0001] directions. Post deformation microstructural analysis suggests that the zinc pillars maintain their single-crystalline structure, but without twin boundary formation. Interestingly, the engineering flow stress results indicate that small-scale zinc structures are insensitive to both strain rate and size.

Keywords

nanoindentationplastic deformationyield phenomenashear bands
Type
Articles
Information
Journal of Materials Research , Volume 27 , Issue 16 , 28 August 2012 , pp. 2140 - 2147
Copyright
Copyright © Materials Research Society 2012

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