Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Study on the Properties of Calcium Ferrites in the Ca O-Fe0-Fe2O3 Ternary System
Minoru ASADAYasuo OMORIKoji SANBONGI
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1968 Volume 54 Issue 1 Pages 14-19

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Abstract

The present paper describes microstructure, X-ray diffraction, microhardness and reduction test of calcium ferrites existed in the Ca O-Fe O-Fe2O3 ternary system.
The results obtained are as follows-
1. In the identification of calcium ferrites, four calcium ferrites can be identified by the use of the polarization by reflection microscopy and the use of some etchants.
2. On the results of X-ray diffraction, interplanar spacings are computed by use of Bragg's equation.
3. From the results of the measurement of the microhardness for each specimen, it may be used for supplemental method of the identification by microscopy.
4. In the reduction test, it was recognized that the reducibility of calcium ferrites was good comparable with binary calcium ferrites reported formerly.

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© The Iron and Steel Institute of Japan
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