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Alumina fiber reinforced boron nitride ceramic matrix composite and preparation method thereof
The present invention discloses an alumina fiber reinforced boron nitride ceramic matrix composite and a preparation method thereof, the alumina fiber reinforced boron nitride ceramic matrix composite is characterized by comprising the following raw materials by weight: 20-25 parts of aluminum nitride, 60-80 parts of boron nitride, 10-13 parts of modified alumina fiber, 2-4 parts of nitrile rubber powder, 0.02-0.03 part of cumene hydroperoxide, 5-6 parts of acrylonitrile, 0.3-0.5 part of hydroxypropyl acrylate, 5-8 parts of calcium carbonate, 1-3 parts of Arabic gum, 1-2 parts of sodium tripolyphosphate, 25-30 parts of ethanol, and 30-40 parts of deionized water; the antioxidant treated alumina fiber added in the alumina fiber reinforced boron nitride ceramic matrix composite is used as ceramic reinforcing phase, and has ceramic toughness reinforcing properties, mechanical properties, abrasion resistance, hardness and high temperature resistance, the added calcium carbonate in the molten state at a high temperature can improve the smoothness, expansion coefficient and viscosity of the ceramic surface, and the added nitrile rubber powder has a relatively strong high temperature viscosity, can bond solid particles together, and increase the viscosity of the ceramic.
Alumina fiber reinforced boron nitride ceramic matrix composite and preparation method thereof
The present invention discloses an alumina fiber reinforced boron nitride ceramic matrix composite and a preparation method thereof, the alumina fiber reinforced boron nitride ceramic matrix composite is characterized by comprising the following raw materials by weight: 20-25 parts of aluminum nitride, 60-80 parts of boron nitride, 10-13 parts of modified alumina fiber, 2-4 parts of nitrile rubber powder, 0.02-0.03 part of cumene hydroperoxide, 5-6 parts of acrylonitrile, 0.3-0.5 part of hydroxypropyl acrylate, 5-8 parts of calcium carbonate, 1-3 parts of Arabic gum, 1-2 parts of sodium tripolyphosphate, 25-30 parts of ethanol, and 30-40 parts of deionized water; the antioxidant treated alumina fiber added in the alumina fiber reinforced boron nitride ceramic matrix composite is used as ceramic reinforcing phase, and has ceramic toughness reinforcing properties, mechanical properties, abrasion resistance, hardness and high temperature resistance, the added calcium carbonate in the molten state at a high temperature can improve the smoothness, expansion coefficient and viscosity of the ceramic surface, and the added nitrile rubber powder has a relatively strong high temperature viscosity, can bond solid particles together, and increase the viscosity of the ceramic.
Alumina fiber reinforced boron nitride ceramic matrix composite and preparation method thereof
ZHOU ZHENGHONG (Autor:in)
16.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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