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Article
Quartz products made by slip casting
From finely milled fused quartz it is possible to obtain, by the slip method, adequately strong quartz products with high thermal-shock resistance at low firing temperatures. A substantial increase in the stre...
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Article
Investigation of the drying process in fine-grain alumina articles
Unfired alumina after acid processing contains up to 3% hydrates and oxychlorides of aluminum. In the materials fired at high temperatures the hydrates and oxychlorides of aluminum are practically absent (0.1%...
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Article
Effect of preliminary heat treatment of alumina on the thermal-shock resistance and strength of corundum ceramics
The firing temperature of the starting alumina is one of the important factors influencing the formation of the microstructure of corundum materials and determines the properties of the ceramics. At low alumin...
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Batchers of sintered alumina
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Article
Quartz ceramic nozzles for casting steel on continuous casting plant
A technology was developed for making steel casting nozzles for the continuous casting of steel with different versions of lateral input of metal into the crystallizer. In laboratory conditions we made nozzles...
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Article
Slip-cast quartz immersion nozzles for continuous steelcasting equipment
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Article
Performance of immersion-type quartz steel-pouring nozzles with lateral delivery of the molten metal
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Article
Influence of the technological factors on the quality of quartz steelcasting nozzles
To produce quartz nozzles of uniform vertical and transverse density by slip-casting the slip must be of optimal density (1.73−1.76 g/cm3) and the stabilization period of optimal length (at least 30 h).
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Article
Quartz-ceramic batchers for steelcasting on CICM
The material VIO-20N based on fused quartz does not react with chrome-nickel alloys and is not wetted by their melts. Tests carried out with floating bowls of this material demonstrated the efficient action of...
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Refractory backings for single-sided welding of steel structures
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Steel-casting nozzles made of fused quartz by vibration casting
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Develo** zircon-alumina mortar for glass furnaces