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Ultrasonic study of liquid-quenched sulfur from room temperature to 200 °C

Published online by Cambridge University Press:  03 March 2011

Akira Doi ,
Satoru Kariya  and
Hiroaki Kamioka
Akira Doi
Affiliation:
Department of Materials, Nagoya Institute of Technology, Nagoya 466, Japan
Satoru Kariya
Affiliation:
Department of Materials, Nagoya Institute of Technology, Nagoya 466, Japan
Hiroaki Kamioka
Affiliation:
Department of Physics, Faculty of Engineering, Gifu University, Gifu 501-11, Japan
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Abstract

When liquid S is heated above 159 °C, the S8 rings (which are the dominant structural units below this temperature) break open and polymerize into helical chains (S∞). Therefore, samples quenched from liquids at temperatures above or below 159 °C would be different in various properties by the difference in the amount of S∞. The present ultrasonic study of liquid-quenched S in the temperature range from room temperature to 200 °C has revealed this difference. It has been demonstrated that ultrasonics is as powerful as a conventional thermal analysis in dealing with the variation of a material with increasing temperature, even though both techniques were found to be relatively insensitive to the polymerization process.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 12 , December 1994 , pp. 3170 - 3173
Copyright
Copyright © Materials Research Society 1994

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References

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