Composite material member with surface function layer and VIMP preparation method thereof
A composite material component and composite material technology, applied in the field of composite materials and their preparation, can solve the problems of not being able to impart a surface layer to the product, and achieve the effects of increasing stiffness, fast impregnation, and good surface quality
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[0039] Example 1:
[0040] Preparation of composite material head cover for train locomotive
[0041] Using the preparation method of the present invention to prepare a composite material head cover for train locomotives specifically includes the following steps:
[0042] 1. Prepare the mold
[0043] According to the pre-designed train locomotive head cover structure size, such as image 3 Mold 1 shown.
[0044] 2. RFI process to prepare reinforced resin film
[0045] 2.1 Cutting and laying reinforcement material: cutting reinforcement material used to prepare reinforced resin film, the reinforcement material is made of alkali-free glass fiber 02 plain cloth (purchased from Jiangsu Danyang Zhongya Glass Fiber Co., Ltd.), according to the shape and size of mold 1. Cut three layers of non-alkali glass fiber 02 plain weave cloth, and then image 3 As shown, the surface fiber preform 2 is obtained by overlaying and laying on the surface of the mold 1;
[0046] 2.2 Dip coating the first resin...
Example Embodiment
[0056] Example 2:
[0057] Preparation of large-scale glass fiber reinforced plastic composite material hull shell
[0058] Using the preparation method of the present invention to prepare a large-scale glass fiber reinforced plastic composite material component used as a hull shell specifically includes the following steps:
[0059] 1. Prepare the mold
[0060] A single-sided rigid mold for molding is prepared according to the pre-designed structural dimensions of the hull shell.
[0061] 2. RFI process to prepare reinforced resin film
[0062] 2.1 Cutting and laying reinforcement material: cutting reinforcement material used to prepare reinforced resin film, the reinforcement material is non-alkali glass fiber 02 plain weave cloth (purchased from Jiangsu Danyang Zhongya Glass Fiber Co., Ltd.), cut according to the shape and size of the mold Layer of non-alkali glass fiber 02 plain weave cloth, and then overlay it on the mold surface in turn;
[0063] 2.2 Dip coating the first resin sys...
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