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A MAGNESIA CARBON BRICK COMPOSITION USING NEW DUAL ANTIOXIDANT AND MAGNESIA CARBON BRICKS OBTAINED THEREOF
A MAGNESIA CARBON BRICK COMPOSITION USING NEW DUAL ANTIOXIDANT AND MAGNESIA CARBON BRICKS OBTAINED THEREOF
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机译：一种使用新型双重抗氧化剂和镁碳砖的镁碳砖组合物
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摘要
The present invention relates to oxidation and corrosion resistant higher carbon containing Magnesia carbon refractory brick composition and bricks produced thereof involving a new dual antioxidant comprising aluminium and boron carbide and a process for manufacturing these bricks. The Magnesia carbon refractory brick product according to the present invention is fit for use as refractory lining of liquid steel processing vessels wherein aluminium and born carbide content is optimized to ensure controlled spinel and glassy phase formation to achieve desired higher oxidation resistance and thereby, favourably good corrosion resistance towards steel making slag with good hot strength. The invented class of Magnesia carbon refractory bricks are expected to perform better than conventional Magnesia carbon bricks containing only one antioxidant (i.e. aluminium) in steel processing vessels, particularly, steel ladles in a cost effective manner.
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