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High-temperature phases in ternary Zr–O–N systems

Published online by Cambridge University Press:  31 January 2011

Edward L. Dreizin ,
Vern K. Hoffmann  and
Edward P. Vicenzi
Edward L. Dreizin
Affiliation:
AeroChem Research Laboratory, The Titan Corporation, Princeton, New Jersey
Vern K. Hoffmann
Affiliation:
AeroChem Research Laboratory, The Titan Corporation, Princeton, New Jersey
Edward P. Vicenzi
Affiliation:
Princeton Materials Institute, Princeton University, Princeton, New Jersey
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Abstract

Zirconium aerosol was ignited and burned in atmospheric pressure air in microgravity using a 2.2-s drop tower. Combustion products were collected and analyzed using electron microscopy. The elemental composition analyses indicated that combustion product compositions fell along two linear traces on a ternary Zr–O–N diagram. Currently, the equilibrium Zr–O–N phases are not characterized at temperatures above 2000 °C, typical of zirconium combustion in air, and it is suggested that the phases detected in zirconium combustion products can serve as a guide to further studies of the Zr–O–N system at high temperatures. It is also suggested that experimental metal combustion techniques can be adopted for studying high-temperature metal–gas phase equilibria.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 14 , Issue 10 , October 1999 , pp. 3840 - 3842
Copyright
Copyright © Materials Research Society 1999

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References

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