The influence of additives TiO2,Y2O3 and composite rare earth on sintering of Cr2O3 in reductive atmosphere was studied.Results show that TiO2 can effectively i
<正> 1 Scope This standard specifies classification, symbol, brand,technical requirements, test methods, inspection rules,packing, marking and quality certifica
The paper analyses the wear mechanism of magnesiachrome bricks for snorkel of RH degasser. High-performance magnesia-chrome bricks with good resistance to molte