Silicon carbide fiber solid fabric for in-situ growing carbon nano tubes, composite material and preparation method thereof
A silicon carbide fiber, carbon nanotube technology, applied in fiber processing, textiles and papermaking, etc., can solve the problems of easy delamination, low interlaminar shear strength, achieve good bonding, solve the problems of dispersion and orientation, Content controllable effect
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Embodiment 1
[0025] Such as figure 1 The silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ of the present invention is shown, the silicon carbide fiber three-dimensional fabric is mainly woven from silicon carbide fibers, and the carbon nanotubes grown in situ are evenly distributed on the surface of the silicon carbide fibers , the carbon nanotubes are intertwined into a network structure. In this embodiment, the loading amount of carbon nanotubes is 4.1%-6.5%, the average length of carbon nanotubes is 3.8 μm, and the average diameter of carbon nanotubes is 50 nm-60 nm.
[0026]The silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ in this embodiment is prepared by the following steps:
[0027] (1) Pretreatment of silicon carbide fiber three-dimensional fabric: put the prefabricated three-dimensional four-way three-dimensional fabric of domestic KD-1 silicon carbide fiber in a muffle furnace, heat it in the air to 400°C, ke...
Embodiment 2
[0032] like figure 2 The silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ of the present invention is shown, the silicon carbide fiber three-dimensional fabric is mainly woven from silicon carbide fibers, and the carbon nanotubes grown in situ are evenly distributed on the surface of the silicon carbide fibers , the carbon nanotubes are intertwined into a network structure. In this embodiment, the loading amount of carbon nanotubes is 4.94%, the average length of carbon nanotubes is 4 μm, and the average diameter of carbon nanotubes is 50 nm to 60 nm.
[0033] The silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ in this embodiment is prepared by the following steps:
[0034] (1) Pretreatment of silicon carbide fiber three-dimensional fabric: put the prefabricated three-dimensional four-way three-dimensional fabric of domestic KD-1 silicon carbide fiber in a muffle furnace, heat it in the air to 400°C, keep i...
Embodiment 3
[0039] A silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ according to the present invention, the silicon carbide fiber three-dimensional fabric is mainly woven from silicon carbide fibers, and the carbon nanotubes grown in situ are evenly distributed on the surface of the silicon carbide fibers, The carbon nanotubes are intertwined into a network structure. In this embodiment, the loading amount of carbon nanotubes is 10.8%, the average length of carbon nanotubes is 4.2 μm, and the average diameter of carbon nanotubes is 50 nm to 60 nm.
[0040] The silicon carbide fiber three-dimensional fabric with carbon nanotubes grown in situ in this embodiment is prepared by the following steps:
[0041] (1) Pretreatment of silicon carbide fiber three-dimensional fabric: put the prefabricated three-dimensional four-way three-dimensional fabric of domestic KD-1 silicon carbide fiber in a muffle furnace, heat it in the air to 400°C, keep it warm for 1 hou...
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Abstract
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Application Information
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