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Magnesium-aluminum refractory material and preparation method therefor
The present invention relates to a magnesium-aluminum refractory material. The magnesium-aluminum refractory material is prepared by using magnesium aluminate spinel of different particle sizes as a raw material, and adding an auxiliary additive, nanometer magnesia, boron carbide, a binder and nanometer aluminium oxide. According to the product provided by the present invention, the organization structure is more uniform, and therefore strength and thermal shock resistance of the product are improved; the particle size of nano-zinc oxide is small, and therefore micro pores can be filled with the nano-zinc oxide, porosity of the product is reduced, and volume density is increased; and refractoriness is high, corrosion resistance is excellent, thermal shock resistance is good, and the sintering temperature range is wide.
Magnesium-aluminum refractory material and preparation method therefor
The present invention relates to a magnesium-aluminum refractory material. The magnesium-aluminum refractory material is prepared by using magnesium aluminate spinel of different particle sizes as a raw material, and adding an auxiliary additive, nanometer magnesia, boron carbide, a binder and nanometer aluminium oxide. According to the product provided by the present invention, the organization structure is more uniform, and therefore strength and thermal shock resistance of the product are improved; the particle size of nano-zinc oxide is small, and therefore micro pores can be filled with the nano-zinc oxide, porosity of the product is reduced, and volume density is increased; and refractoriness is high, corrosion resistance is excellent, thermal shock resistance is good, and the sintering temperature range is wide.
Magnesium-aluminum refractory material and preparation method therefor
SHE JIANFENG (Autor:in)
11.11.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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