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Magnesia-zirconia refractory material and preparation method thereof
The invention relates to a magnesia-zirconia refractory material and a preparation method thereof. According to the magnesia-zirconia refractory material, magnesia-alumina spinel is adopted as a main raw material; and auxiliary additives, nano-grade magnesia, zirconia, a binding agent and nano-grade alumina are added, such that the material can be prepared. The product provided by the invention has a more uniform tissue structure. Product strength and thermal shock resistance are improved. The particle size of nano-grade zinc oxide is small, and can be used for filling fine pores. Therefore, product porosity can be reduced, and bulk density can be improved. The material has high refractoriness, excellent corrosion resistance, good thermal shock resistance, and wide sintering temperature range.
Magnesia-zirconia refractory material and preparation method thereof
The invention relates to a magnesia-zirconia refractory material and a preparation method thereof. According to the magnesia-zirconia refractory material, magnesia-alumina spinel is adopted as a main raw material; and auxiliary additives, nano-grade magnesia, zirconia, a binding agent and nano-grade alumina are added, such that the material can be prepared. The product provided by the invention has a more uniform tissue structure. Product strength and thermal shock resistance are improved. The particle size of nano-grade zinc oxide is small, and can be used for filling fine pores. Therefore, product porosity can be reduced, and bulk density can be improved. The material has high refractoriness, excellent corrosion resistance, good thermal shock resistance, and wide sintering temperature range.
Magnesia-zirconia refractory material and preparation method thereof
SHE JIANFENG (Autor:in)
11.11.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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