SiC fiber variable angle reinforced Ti base composite pipe shaft and preparation method thereof
A composite material tube and composite material technology are applied in the field of SiC fiber variable-angle reinforced Ti-based composite material tube shaft parts and their preparation, which can solve the problems of poor shear resistance and torsional resistance, and the inability to achieve densification of the entire layer of precursor wires. It has little practical significance, etc., to achieve the effect of improving mechanical properties, reducing quality, and reducing the degree of anisotropy
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[0048] SiC f / TC17 composite material[45°,-45°] 3 The preparation steps and process of the tubular shaft parts are as follows:
[0049] 1) Use alcohol to clean the surface of the continuous SiC fiber, then wind the fiber on the sample holder of the magnetron sputtering equipment, put it into the magnetron sputtering equipment, use TC17 titanium alloy target; mechanical pump, molecular pump pre-evacuation chamber , the vacuum degree is better than 1×10 -3 After Pa, heat the vacuum chamber at 500°C and bake it. When the vacuum degree reaches the requirement, flow Ar gas, rotate the sample holder at a speed of 20 rpm, start the sputtering power supply, and start magnetron sputtering to produce SiC / TC17 precursor wire. , the target-base distance is 30mm, the single target sputtering power is 1500W, the magnetron sputtering time is 12 hours, after the sputtering is finished, it is lowered to room temperature, and the precursor wire is taken out. The diameter of the precursor wire...
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