Preparing method for ethanol-dispersed zirconium carbide silicon carbide and carbon fiber friction material
A zirconium carbide silicon carbide, friction material technology, applied in ceramic products, applications, household appliances, etc., can solve problems such as hidden safety hazards and reduced friction performance, and achieve the effect of improving wear resistance and high manufacturing costs
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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 in ethanol slurry with a particle size of less than 0.3 μm and a content of 5% zirconium carbide, place it in an ultrasonic cleaner and fill it with zirconium carbide for 50 minutes, take it out and dry it to obtain a carbon fiber blanket filled with zirconium carbide;
[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 gas: hydrogen gas: argon gas is 1:5 : 5, flow control is at 50ml / mi...
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 in ethanol slurry with a particle size of less than 0.3 μm and a content of 12% zirconium carbide, place it in an ultrasonic cleaner and fill it with zirconium carbide for 40 minutes, take it out and dry it to obtain a carbon fiber blanket filled with zirconium carbide;
[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 trichloromethylsilane gas: hydrogen gas: argon gas is 1:4 : 4, flow control is at 350ml...
Embodiment 3
[0031] (1) Set the density to 0.1g / cm 3 The graphitized carbon fiber blanket is fed with 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 in ethanol slurry with a particle size of less than 0.3 μm and a content of 20% zirconium carbide, place it in an ultrasonic cleaner and fill it with zirconium carbide for 30 minutes, take it out and dry it to obtain a carbon fiber blanket filled with zirconium carbide;
[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 trichloromethylsilane gas: hydrogen gas: argon gas is 1:3 : 3, flow control is at 600...
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