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X-ray microtomographic imaging and analysis for basic research

Published online by Cambridge University Press:  01 March 2012

J. H. Dunsmuir ,
S. Bennett ,
L. Fareria ,
A. Mingino  and
M. Sansone
J. H. Dunsmuir*
Affiliation:
ExxonMobil Research and Engineering Company, Corporate Strategic Research, Annandale, New Jersey 08801
S. Bennett
Affiliation:
ExxonMobil Research and Engineering Company, Corporate Strategic Research, Annandale, New Jersey 08801
L. Fareria
Affiliation:
ExxonMobil Research and Engineering Company, Corporate Strategic Research, Annandale, New Jersey 08801
A. Mingino
Affiliation:
ExxonMobil Research and Engineering Company, Corporate Strategic Research, Annandale, New Jersey 08801
M. Sansone
Affiliation:
ExxonMobil Research and Engineering Company, Corporate Strategic Research, Annandale, New Jersey 08801
*
a)Electronic mail: john.h.dunsmuir@exxonmobil.com
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Abstract

For research facilities with access to synchrotron X-ray sources, X-ray absorption microtomography (XMT) has evolved from an experimental imaging method to a specialized, if not yet routine, microscopy for imaging the three-dimensional (3D) distribution of linear attenuation coefficients and, in some cases, elemental concentration with micron spatial resolution. Recent advances in source and detector design have produced conventional X-ray source instruments with comparable spatial resolution but with lower throughput and without element specific imaging. Both classes of instrument produce 3D images for analysis. We discuss an integrated approach for the implementation of analytical XMT to support basic research into the structure-property relationships of a variety of materials. The essential components include instrumentation for collecting quantitative 3D images, a 3D image processing environment to address questions as to the quantity, composition, geometry, and relationships among the features in one or more images, and visualization to provide insight and communicate results. We give examples of image analysis of resolved and unresolved pore spaces of sandstones.

Type
X-Ray Fluorescence and Related Techniques
Information
Powder Diffraction , Volume 21 , Issue 2 , June 2006 , pp. 125 - 131
Copyright
Copyright © Cambridge University Press 2006

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