Equipment and method for preparing carbon fiber composite materials by non-direct contact ultrasonic vibration
An ultrasonic vibration and composite material technology, applied in the field of metal matrix composite materials, can solve the problem of easy overheating of ultrasonic generators, and achieve the effect of improving performance, facilitating uniform dispersion and continuous ultrasonic vibration.
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Embodiment 1
[0037] A method for preparing carbon fiber composite materials using the above-mentioned equipment to prepare non-direct contact ultrasonic vibration:
[0038] ①Use a dynamometer to apply a radial preload of 1-50 N to the carbon fiber 14, and then use the clamp 13 to clamp it up and down so that it also has a radial preload on the clamp 13 to obtain a prefabricated body; 14 tows are one layer, all of which are arranged in one direction. The size of the clamp 13 is a rectangular clamp with a length L of 0.1 m and a width W of 0.1 m, and the width X of the clamp is 1 cm;
[0039] ②Put the fiber prefabricated body into the molten aluminum alloy metal liquid in the crucible 11 under the protection of argon gas, and the temperature is 20°C higher than the liquidus line of the aluminum alloy;
[0040] ③The ultrasonic vibration head 1 is in close contact with the vibration plate 6, and the vibration plate 6 is pressed down with a force of 1N before the vibration is applied, and the s...
Embodiment 2
[0043]A method for preparing carbon fiber composite materials using the above-mentioned equipment to prepare non-direct contact ultrasonic vibration:
[0044] ①Use a dynamometer to apply a radial preload of 1-50 N to the carbon fiber 14, and then use the clamp 13 to clamp it up and down so that it also has a radial preload on the clamp 13 to obtain a prefabricated body; 14. The tow is multi-layered and arranged crosswise. The size of the jig 13 is a rectangular jig with a length L of 10 m and a width W of 10 m. The width X of the jig is 100 cm;
[0045] ② Put the fiber prefabricated body into the molten aluminum alloy metal liquid in the crucible 11 under vacuum condition, the temperature is 25°C higher than the aluminum alloy liquidus line;
[0046] ③The ultrasonic vibration head 1 is in close contact with the vibrating plate 6, and the vibrating plate 6 is pressed down with a force of 300N before the vibration is applied, and the spring 8 receives the corresponding pressure,...
Embodiment 3
[0049] A method for preparing carbon fiber composite materials using the above-mentioned equipment to prepare non-direct contact ultrasonic vibration:
[0050] ①Use a dynamometer to apply a radial preload of 1-50 N to the carbon fiber 14, and then use the clamp 13 to clamp it up and down so that it also has a radial preload on the clamp 13 to obtain a prefabricated body; 14. The tow is multi-layered and all arranged in one direction. The size of the clamp 13 is a circular clamp with an inner cavity diameter D of 0.1 m, and the clamp width X is 1 cm;
[0051] ②Put the fiber prefabricated body into the molten aluminum alloy metal liquid in the crucible 11 under the protection of argon gas, and the temperature is 23°C higher than the liquidus line;
[0052] ③The ultrasonic vibration head 1 is in close contact with the vibrating plate 6, and the vibrating plate 6 is pressed down with a force of 5N before the vibration is applied, and the spring 8 receives the corresponding pressur...
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