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The present work intends to study the development of magnesium aluminate spinel aggregates from Indian magnesite in a single firing stage. The raw magnesite has been evaluated in terms of chemical analysis, differential thermal analysis, thermogravimetric analysis, infrared spectroscopy, and X-ray diffraction. The experimental batch containing Indian magnesite and calcined alumina has been sintered...
Densification behavior of (Al1−xCrx)2O3 (where, x=0, 0.1, 0.3, 0.5) compacts in the temperature range 1000–1700°C under reducing condition were studied. Up to 1300°C, densification behavior followed the normal trend, i.e., bulk density increases with increase in Cr2O3 content. Anomaly in the densification behavior was observed from 1400°C onwards. Al2O3 samples showed high densification; but the addition...
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