Carbon fiber reinforced polymer-based self-lubricating material and preparation method thereof
A lubricating material and polymer technology, which is applied in the field of carbon fiber reinforced polymer-based self-lubricating materials and its preparation, can solve the problems of low friction reduction and wear resistance, short service life, poor lubrication performance, etc., and achieve improved friction reduction and wear resistance ability, low wear rate, and low coefficient of friction
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[0023] Example 1
[0024] The preparation process is as follows:
[0025] (1) Use polyimide as the resin matrix, mass fraction: 30%;
[0026] (2) Chopped carbon fiber is used as reinforcement, mass fraction: 10%;
[0027] (3) Molybdenum disulfide and antimony trioxide are selected as lubricating additives, and the mass fractions are respectively: 40% and 20%.
[0028] (4) First mix polyimide, molybdenum disulfide and antimony trioxide uniformly, then add chopped carbon fiber, and mix well;
[0029] (5) Pour the mixed mold material into the mold for hot pressing, molding temperature 360°C, pressure 35MPa, heat preservation and pressure retention for 40 minutes, and natural cooling.
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[0030] Example 2
[0031] The preparation process is as follows:
[0032] (1) Select polyimide as the resin matrix, mass fraction: 40%;
[0033] (2) Chopped carbon fiber is used as reinforcement, mass fraction: 20%;
[0034] (3) Molybdenum disulfide and antimony trioxide are used as lubricating additives, the mass fractions are respectively: 30%, 10%;
[0035] (4) First mix polyimide, molybdenum disulfide and antimony trioxide uniformly, then add chopped carbon fiber, and mix well;
[0036] (5) Pour the mixed mold material into the mold for hot press molding, the molding temperature is 380°C, the pressure is 38MPa, the temperature is kept for 50 minutes, and it is cooled naturally.
Example Embodiment
[0037] Example 3
[0038] The preparation process is as follows:
[0039] (1) Use polyimide as the resin matrix, mass fraction: 50%;
[0040] (2) Chopped carbon fiber is used as reinforcement, mass fraction: 10%;
[0041] (3) Molybdenum disulfide and antimony trioxide are used as lubricating additives, the mass fractions are respectively: 30%, 10%;
[0042] (4) First mix polyimide, molybdenum disulfide and antimony trioxide uniformly, then add chopped carbon fiber, and mix well;
[0043] (5) Pour the mixed mold material into the mold for hot pressing, the molding temperature is 370°C, the pressure is 40 MPa, the temperature is kept for 40 minutes, and it is cooled naturally;
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