Research Status of Fired Alumina Carbon Sliding Plate for Continuous Casting

Abstract

Abstract: Fired alumina carbon sliding plate is one of the key functional materials of continuous casting flow control system. In the process, the materials suffer from the scouring of molten steel and slag, rapid and repeated thermal shock, and potential oxidation risk. Therefore, strict requirements are put forward for the mechanical properties, thermal shock stability, and oxidation resistance of materials. In recent years, in order to improve the above properties of fired alumina carbon materials and prolong their service life, the structure and composition of materials were continuously optimized. The main research directions included the reinforcement of in-situ ceramic phase formed by additives (such as aluminum and silicon), the synergistic strengthen and toughen of nanocarbon with in-situ ceramic phase, and the synergistic effects of layered compounds with nanocarbon and in-situ ceramic phase for strengthening, toughening and oxidation resistance.

Key words: refractory, fired alumina carbon sliding plate, in-situ ceramic phase strengthening, thermal shock stability, nanocarbon, layered compound, mechanical property, oxidation resistance

CLC Number:

TQ175

LIU Gengfu, LIAO Ning, JI Zixu, LI Yawei. Research Status of Fired Alumina Carbon Sliding Plate for Continuous Casting[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(10): 3193-3199.

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