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Use of two-color array pyrometry for characterization of combustion synthesis waves

Published online by Cambridge University Press:  31 January 2011

U. Anselmi-Tamburini
Affiliation:
Department of Physical Chemistry and C.S.T.E./CNR, University of Pavia, V. le Taramelli, 16, 27100 Pavia, Italy
F. Maglia
Affiliation:
Department of Physical Chemistry and C.S.T.E./CNR, University of Pavia, V. le Taramelli, 16, 27100 Pavia, Italy
G. Spinolo
Affiliation:
Department of Physical Chemistry and C.S.T.E./CNR, University of Pavia, V. le Taramelli, 16, 27100 Pavia, Italy
Z. A. Munir
Affiliation:
Department of Chemical Engineering and Materials Science, University of California, Davis, California 95616-5294
Corresponding
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Abstract

A two-color array pyrometer was used to investigate morphological developments on the surface of materials undergoing self-propagating high-temperature reactions. Time sequences of temperature spatial profiles during wave propagation were found to be complex in their nature and dynamics. They contain features that are interpreted in terms of morphological changes during the process. These features include formation of cracks or voids, expansion of the sample, and formation of droplets of metals on the surface. The use of the array pyrometer for determination of the activation energy of the combustion reaction between Zr and NiO is reported.

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Articles
Copyright
Copyright © Materials Research Society 2000

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References

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Use of two-color array pyrometry for characterization of combustion synthesis waves
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