Preparation method of resin-dispersed zirconium carbide silicon carbide-carbon fiber friction material
A technology of zirconium carbide, silicon carbide and friction materials, which is applied in ceramic products, applications, household appliances, etc., can solve the problems of hidden safety hazards and reduced friction performance, and achieve the effect of improving wear resistance and high manufacturing cost
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Embodiment 1
[0019] (1) Set the density to 1.8g / cm 3 The graphitized carbon fiber blanket is fed with a mixed gas of propane gas and nitrogen at a temperature of 900°C. The molar ratio of propane gas: nitrogen is 1:4, the flow rate is controlled at 50ml / min, and the carburizing treatment is performed for 24 hours to obtain a carburized carbon fiber blanket. ;
[0020] (2) Immerse the above-mentioned carburized carbon fiber blanket into a zirconium carbide resin slurry with a particle size of less than 0.3 μm and a content of 5%, place it in an ultrasonic cleaner and fill it with zirconium carbide for 50 minutes, take it out and dry it to obtain a filled zirconium carbide carbon fiber blanket, The resin slurry is a 5% ethanol solution containing phenolic resin;
[0021] (3) Pass the above-mentioned filled zirconium carbide carbon fiber blanket into a mixed gas of trichloromethylsilane gas, hydrogen gas and argon gas at a temperature of 900 °C, and the molar ratio of trichloromethylsilane g...
Embodiment 2
[0025] (1) Set the density to 0.8g / cm 3 The graphitized carbon fiber blanket is fed with a mixture of propane gas and nitrogen at a temperature of 1000°C. The molar ratio of propane gas: nitrogen is 1:5, the flow rate is controlled at 350ml / min, and the carburizing treatment is performed for 18 hours to obtain a carburized carbon fiber blanket. ;
[0026] (2) Immerse the above-mentioned carburized carbon fiber blanket into a zirconium carbide resin slurry with a particle size of less than 0.3 μm and a content of 12%, place it in an ultrasonic cleaner and fill it with zirconium carbide for 40 minutes, take it out and dry it to obtain a filled zirconium carbide carbon fiber blanket, The resin slurry is a 12% ethanol solution containing phenolic resin;
[0027] (3) Pass the above-mentioned filled zirconium carbide carbon fiber blanket into a mixed gas of trichloromethylsilane gas, hydrogen gas and argon gas at a temperature of 1000 °C, and the molar ratio of trichloromethylsilan...
Embodiment 3
[0031] (1) Set the density to 0.1g / cm 3 The graphitized carbon fiber blanket is passed into a mixed gas of propane gas and nitrogen at a temperature of 1100 ° C. The molar ratio of propane gas: nitrogen is 1: 6, the flow rate is controlled at 600ml / min, and the carburizing treatment is performed for 10 hours to obtain a carburized carbon fiber blanket. ;
[0032] (2) Immerse the above-mentioned carburized carbon fiber blanket into a zirconium carbide resin slurry with a particle size of less than 0.3 μm and a content of 20%, place it in an ultrasonic cleaner and fill it with zirconium carbide for 30 minutes, take it out and dry it to obtain a filled zirconium carbide carbon fiber blanket, The resin slurry is a 20% ethanol solution containing phenolic resin;
[0033] (3) Pass the above-mentioned filled zirconium carbide carbon fiber blanket into a mixed gas of trichloromethylsilane gas, hydrogen gas and argon gas at a temperature of 1100 °C, and the molar ratio of trichloromet...
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