Vacuum impregnation and hot-press curing molding method for carbon fiber composite material
A composite material, curing molding technology, which is applied in the field of preparing two-dimensional woven carbon fiber reinforced resin matrix composite materials, can solve the problems such as the lack of an automatic pick-up device for composite materials, the inability to guarantee the compactness of composite materials, and the differences in preparation devices and processes. Improve the impregnation effect, increase the density, and improve the fluidity
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[0028] The present invention is a carbon fiber composite material vacuum impregnation and hot-press curing molding method, and its specific process will be described in detail through 4 examples, wherein the preparation methods and processes of each example are the same.
[0029] Concrete implementation steps of the present invention are as follows:
[0030] Step 1, cutting of 2D woven carbon fiber cloth. Cut the two-dimensional woven carbon fiber cloth into square pieces with a side length of 10 cm, and the number of cuts is 10 to 15 pieces.
[0031] Step 2, coating of the curing mixed solution. Mix E44 epoxy resin and polyamide curing agent according to the mass ratio of 4:1, stir evenly with a glass rod, and prepare a curing mixed solution. The prepared curing mixed solution is evenly coated on the front and back sides of each carbon fiber, and then the two-dimensional woven carbon fiber cloth sheets coated with the cured mixed solution are sequentially stacked neatly to ...
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