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Alkalies and cement clinker reactions on basic refractories
In an effort to characterize the mechanisms, by which cement clinkers do react with doloma, magnesia, or spinel (magnesia-alumina spinel) to form stable coatings, new testing procedures are presented. In order to quantify the extend of the interactions between the brick and the cement raw-meal at the initial coating formation a test method was designed to measure the MOR on sandwiches prepared under specified procedures. The effects of the microstructure of refractory bricks, as well as of the properties of tested raw meal, are evaluated in terms of their effects on the mechanism of coating - formation by means of microscopy. Induction heating was used for fast heat-up in the specially designed experimental setup with the aim to simulate the thermal shock with the simultaneous attack of cement-raw meal enhanced by the presence of alkalies. The effects on structural changes of bricks are evaluated by using different methods of chemical and structural analyzes.
Alkalies and cement clinker reactions on basic refractories
In an effort to characterize the mechanisms, by which cement clinkers do react with doloma, magnesia, or spinel (magnesia-alumina spinel) to form stable coatings, new testing procedures are presented. In order to quantify the extend of the interactions between the brick and the cement raw-meal at the initial coating formation a test method was designed to measure the MOR on sandwiches prepared under specified procedures. The effects of the microstructure of refractory bricks, as well as of the properties of tested raw meal, are evaluated in terms of their effects on the mechanism of coating - formation by means of microscopy. Induction heating was used for fast heat-up in the specially designed experimental setup with the aim to simulate the thermal shock with the simultaneous attack of cement-raw meal enhanced by the presence of alkalies. The effects on structural changes of bricks are evaluated by using different methods of chemical and structural analyzes.
Alkalies and cement clinker reactions on basic refractories
Cherif, K. (author) / Palco, S. (author) / Guo, Z. (author) / Rigaud, M. (author)
2001
4 Seiten, 18 Quellen
Conference paper
English
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