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Application of Ultramicrotomy to Tem Specimen Preparation of Particulate Inclusion and Composite Materials.

Published online by Cambridge University Press:  21 February 2011

O. O. Popoola ,
J. J. Cooper ,
B. P. Jakstys  and
W. M. Kriven
O. O. Popoola
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801.
J. J. Cooper
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801.
B. P. Jakstys
Affiliation:
Center for Electron Microscopy, 74 Bevier Hall, Urbana, IL 61801.
W. M. Kriven
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801.
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Abstract

Ultramicrotomy has been used to prepare TEM specimens from nickel sulfide inclusions in plate glass and from calcium aluminate / polyvinyl alcohol composite materials. Microstructural studies showed that the inclusion probably contained at least two different phases, namely Ni7S6 and Ni3S2. Although microtomy-induced cracking and chatter were observed, important microstructural features such as twins and Moire patterns were preserved. The microchemistry of the polymer phase in the ceramic / polymer composite was precisely determined.

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