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Published September 1, 2001 | Version public
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In situ transmission electron microscopy studies of shear bands in a bulk metallic glass based composite

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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.

Additional Information

© 2001, Materials Research Society (Received 16 March 2001; accepted 8 June 2001) This work was supported by the Materials Research Science and Engineering Center (MRSEC) Program of the National Science Foundation, under award No. DMR-0080065. E.P. gratefully acknowledges Prof. I.M. Robertson for assistance with in situ straining experiments.

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7091
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CaltechAUTHORS:PEKjmr01

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2007-01-08
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