Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Melting Behavior of Mold Powder for Continuous Casting of Steel by Thermo Mechanical Analysis
Masayuki KAWAMOTOTadao WATANABETakami IKEDA
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JOURNAL FREE ACCESS

1995 Volume 81 Issue 12 Pages 1132-1137

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Abstract

Melting behavior of mold powder is very important for continuous casting operation and quality of steel. In this experimental study, the shrinking behavior of mold powder was measured by thermo-mechanical analysis in order to investigate the melting behavior of mold power.
Thermodynamic calculation of the liquid fraction in the mold powder appears to show reasonable agreement with thermo-mechanical analysis data. Then, it may be concluded that thermo-mechanical analysis enables us to give useful information about the melting behavior of mold powder. The results of the thermo-mechanical analysis are summerized as follows;
Fluorite is considered to be better fluorite source than sodium fluoride, sodium fluoride is better than soda ash as Na2O source and silica powder has a superiority over diatomaceous earth as SiO2 source.

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© The Iron and Steel Institute of Japan
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