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Application of Hrem in Studying Amorphisation of Intermetallic Compounds

Published online by Cambridge University Press:  25 February 2011

D. E. Luzzi ,
H. Mori ,
H. Fujita  and
M. Meshii
D. E. Luzzi
Affiliation:
Research Center for Ultra-High Voltage Electron Microscopy, Osaka University, Yamada-oka, Suita, Osaka 565, Japan
H. Mori
Affiliation:
Research Center for Ultra-High Voltage Electron Microscopy, Osaka University, Yamada-oka, Suita, Osaka 565, Japan
H. Fujita
Affiliation:
Research Center for Ultra-High Voltage Electron Microscopy, Osaka University, Yamada-oka, Suita, Osaka 565, Japan
M. Meshii
Affiliation:
Materials Research Center and Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60201
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Abstract

Electron irradiation induces many intermetallic compounds to become amorphous. As this irradiation is capable of producing only isolatedpoint defects for each collision event, an understanding of this amorphisation proqess has a special significance with respect to the understanding of amorphous materials. This paper will report the results of HREM observations of an intermetallic compound in the Cu-Ti alloy system. High resolution micrographs will be presented to demonstrate that the energy associated with the irradiation induced chemical disordering is the major driving force in the amorphisation process. Also, the utility of the HREM in the study of amorphisation and the amorphous structure will be discussed.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 62: Symposium Q – Materials Problem Solving with the Transmission Electron Microscope , 1985 , 323
Copyright
Copyright © Materials Research Society 1986

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