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High-strength carbon-fiber-reinforced zirconia-ceramic-base composite material and preparation method thereof
The invention discloses a high-strength carbon-fiber-reinforced zirconia-ceramic-base composite material and a preparation method thereof. The invention is characterized in that the high-strength carbon-fiber-reinforced zirconia-ceramic-base composite material is prepared from the following raw materials in parts by weight: 60-80 parts of zirconia, 10-12 parts of molybdenum disilicide, 4-6 parts of magnesium alloy powder, 3-5 parts of tantalum oxide, 10-15 parts of modified high-elasticity carbon fiber, 0.02-0.04 part of tert-butyl hydroperoxide, 4-6 parts of ethyl 2-hydroxy-acrylate, 2-4 parts of chitosan, 2-4 parts of yttrium oxide, 0.2-0.5 part of diethylaminopropylamine, 1-3 parts of sodium carboxymethyl cellulose, 25-30 parts of ethanol and 40-60 parts of deionized water. By using the modified high-strength carbon fiber as the reinforcing phase, the composite material has the advantages of excellent oxidation resistance, higher ceramic toughness and strength, high/low temperature resistance, favorable thermal conductivity and low expansion coefficient. By adding the yttrium oxide and tantalum oxide as the stabilizers, the tetragonal phase of the zirconia can be stable at normal temperature, and thus, the volume can not suddenly change after heating, thereby widening the application range of the zirconia.
High-strength carbon-fiber-reinforced zirconia-ceramic-base composite material and preparation method thereof
The invention discloses a high-strength carbon-fiber-reinforced zirconia-ceramic-base composite material and a preparation method thereof. The invention is characterized in that the high-strength carbon-fiber-reinforced zirconia-ceramic-base composite material is prepared from the following raw materials in parts by weight: 60-80 parts of zirconia, 10-12 parts of molybdenum disilicide, 4-6 parts of magnesium alloy powder, 3-5 parts of tantalum oxide, 10-15 parts of modified high-elasticity carbon fiber, 0.02-0.04 part of tert-butyl hydroperoxide, 4-6 parts of ethyl 2-hydroxy-acrylate, 2-4 parts of chitosan, 2-4 parts of yttrium oxide, 0.2-0.5 part of diethylaminopropylamine, 1-3 parts of sodium carboxymethyl cellulose, 25-30 parts of ethanol and 40-60 parts of deionized water. By using the modified high-strength carbon fiber as the reinforcing phase, the composite material has the advantages of excellent oxidation resistance, higher ceramic toughness and strength, high/low temperature resistance, favorable thermal conductivity and low expansion coefficient. By adding the yttrium oxide and tantalum oxide as the stabilizers, the tetragonal phase of the zirconia can be stable at normal temperature, and thus, the volume can not suddenly change after heating, thereby widening the application range of the zirconia.
High-strength carbon-fiber-reinforced zirconia-ceramic-base composite material and preparation method thereof
SHU XIAOSHAN (author) / ZHANG JIANWU (author) / GONG PING (author) / TANG XINGYOU (author)
2015-09-02
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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