The Behavior of ZrO2 In Contact with Molten Iron at High Temperatures

The Behavior of ZrO2 In Contact with Molten Iron at High Temperatures It is shown that in a system of molten Fe(Cr, Ni) and zirconia in an atmosphere of argon at temperatures of up to about 2900 K no chemical reaction occurs; still, at 2510 – 2700 K, zirconia converts to a viscous mobile mass that is expelled to float by the heavier molten metal. It is suggested that this behavior is associated with the partial reduction of zirconia to a nonstoichiometric state ZrO2 – x . Movement of the molten metal in the crucible is discussed allowing for the specific energy distribution in a high-frequency field. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

The Behavior of ZrO2 In Contact with Molten Iron at High Temperatures

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Publisher
Springer Journals
Copyright
Copyright © 2002 by Plenum Publishing Corporation
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1023/A:1021019415691
Publisher site
See Article on Publisher Site

Abstract

It is shown that in a system of molten Fe(Cr, Ni) and zirconia in an atmosphere of argon at temperatures of up to about 2900 K no chemical reaction occurs; still, at 2510 – 2700 K, zirconia converts to a viscous mobile mass that is expelled to float by the heavier molten metal. It is suggested that this behavior is associated with the partial reduction of zirconia to a nonstoichiometric state ZrO2 – x . Movement of the molten metal in the crucible is discussed allowing for the specific energy distribution in a high-frequency field.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Oct 13, 2004

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