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Spontaneous room temperature extrusion of Pb nano-whiskers from leaded brass surfaces

Published online by Cambridge University Press:  03 March 2011

Z.M. Sun  and
M.W. Barsoum
Z.M. Sun*
Affiliation:
Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104; and National Institute of Advanced IndustrialScience and Technology (AIST), Nagoya 463-8560, Japan
M.W. Barsoum*
Affiliation:
Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104
*
a) Address all correspondence to these authors. e-mail: z.m.sun@aist.go.jp
b) Address all correspondence to these authors. e-mail: barsoumw@drexel.edu
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Abstract

We report that lightly abrading the surface of a commercial leaded brass results in the room temperature spontaneous growth of Pb whiskers and hillocks. The aspect ratios and submicron diameters of the whiskers that form render them easily dispersible in the atmosphere, with potentially serious health effects, especially for people that deal with leaded brass on a daily basis.

Keywords

MachiningNanofiberScanning electron microscopy (SEM)
Type
Rapid Communications
Information
Journal of Materials Research , Volume 20 , Issue 5 , May 2005 , pp. 1087 - 1089
Copyright
Copyright © Materials Research Society 2005

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