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In situ transmission electron microscopy studies of shear bands in a bulk metallic glass based composite

Published online by Cambridge University Press:  31 January 2011

E. Pekarskaya ,
C. P. Kim  and
W. L. Johnson
E. Pekarskaya
Affiliation:
Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125
C. P. Kim
Affiliation:
Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125
W. L. Johnson
Affiliation:
Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena, California 91125
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Abstract

In situ straining transmission electron microscopy (TEM) experiments were performed to study the propagation of the shear bands in the Zr56.3Ti13.8Cu6.9Ni5.6Nb5.0Be12.5 bulk metallic glass based composite. Contrast in TEM images produced by shear bands in metallic glass and quantitative parameters of the shear bands were analyzed. It was determined that, at a large amount of shear in the glass, the localization of deformation occurs in the crystalline phase, where formation of dislocations within the narrow bands are observed.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 9 , September 2001 , pp. 2513 - 2518
Copyright
Copyright © Materials Research Society 2001

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