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Dislocation Plasticity in Thin Metal Films

Published online by Cambridge University Press:  31 January 2011

O. Kraft ,
L. B. Freund ,
R. Phillips  and
E. Arzt
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Abstract

This article describes the current level of understanding of dislocation plasticity in thin films and small structures in which the film or structure dimension plays an important role. Experimental observations of the deformation behavior of thin films, including mechanical testing as well as electron microscopy studies, will be discussed in light of theoretical models and dislocation simulations. In particular, the potential of applying strain-gradient plasticity theory to thin-film deformation is discussed. Although the results of all studies presented follow a “smaller is stronger” trend, a clear functional dependence has not yet been established.

Keywords

mechanical propertiesmetalsthin films.
Type
Research Article
Information
MRS Bulletin , Volume 27 , Issue 1: Mechanical Properties in Small Dimensions , January 2002 , pp. 30 - 37
Copyright
Copyright © Materials Research Society 2002

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