Preparation method of ultrasonically dispersed niobium boride and boron carbide-carbon fiber friction material
A technology of boride niobium boron carbide and friction material, which is applied in the field of preparation of friction material, can solve problems such as hidden safety hazards and reduced friction performance, and achieve the effects of improving wear resistance, high friction performance and high manufacturing cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
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-mentioned deposited boron carbide carbon fiber blanket in a slurry with a particle size of less than 0.3 μm and a content of 5% niobium boride, place it in an ultrasonic cleaner and fill it with niobium boride ...
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, flow control at 350 ml / min, deposited boron carbide treatment for 17 hours to obtain deposited boron carbide carbon fiber blanket;
[0027] (3) Immerse the above-mentioned deposited boron carbide carbon fiber blanket into a slurry with a particle size of less than 0.3 μm and a content of 12% niobium boride, place it in an ultrasonic cleaner and fill it with niobium boride for 40 minutes, ...
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 slurry with a particle size of less than 0.3 μm and a content of 20% niobium boride, place it in an ultrasonic cleaner and fill it with ni...
PUM
| Property | Measurement | Unit |
|---|---|---|
| density | aaaaa | aaaaa |
| melting point | aaaaa | aaaaa |
| diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More