Preparation method of resin-dispersed zirconium boride boron carbide-carbon fiber friction material
A technology of zirconium boride, boron carbide and friction materials, which is applied in the field of preparation of friction materials, can solve problems such as potential 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) Pass the above-mentioned carburized carbon fiber blanket into a mixed gas of boron trichloride, methane, hydrogen and argon at a temperature of 900 °C, and the molar ratio of boron trichloride: methane: hydrogen: argon is 1:1: 3:4, the flow rate is controlled at 50ml / min, and the deposited boron carbide is treated for 24 hours to obtain a deposited boron carbide carbon fiber blanket;
[0021] (3) Immerse the above deposited silicon carbide carbon fiber blanket into a resin slurry with a particle size of less than 0.3 μm and a content of 5% zirconium boride, place it in an ultrasonic cleaner and fill it with zirconium bor...
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) Pass the above-mentioned carburized carbon fiber blanket into a mixed gas of boron trichloride, methane, hydrogen and argon at a temperature of 1000 °C, and the molar ratio of boron trichloride: methane: hydrogen: argon is 1:1.5: 4.5:5, the flow rate is controlled at 350ml / min, and the deposited boron carbide is treated for 17 hours to obtain a deposited boron carbide carbon fiber blanket;
[0027] (3) Immerse the above-mentioned deposited boron carbide carbon fiber blanket into a resin slurry with a particle size of less than 0.3 μm and a content of 12% zirconium boride, place it in an ultrasonic cleaner and fill it wit...
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) Pass the above-mentioned carburized carbon fiber blanket into a mixed gas of boron trichloride, methane, hydrogen and argon at a temperature of 1100 °C, and the molar ratio of boron trichloride: methane: hydrogen: argon is 1:2: 6:6, the flow rate is controlled at 600ml / min, and the deposited boron carbide is treated for 10 hours to obtain a deposited boron carbide carbon fiber blanket;
[0033] (3) Immerse the above-mentioned deposited boron carbide carbon fiber blanket into a resin slurry with a particle size of less than 0.3 μm and a content of 20% zirconium boride, place it in an ultrasonic cleaner and fill it...
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