Low-wear three-dimensional forming method for Z-directional fibers of composite material
A three-dimensional forming, composite material technology, applied in the direction of fabrics, textiles, textiles and papermaking, can solve the problems of reducing the comprehensive properties of composite materials, reducing the reinforcement effect of Z-direction fibers, and the wear of Z-direction fibers and in-plane fibers. The effect of clustering and stiffness, ensuring comprehensive performance and high structural stability
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[0024] The specific steps of the composite material Z-direction fiber low-wear three-dimensional forming method of the present invention are as follows:
[0025] a) Select the three-dimensional structural composite material parts that need to be prepared, establish the structural model of the parts based on the size and performance requirements of the parts to be prepared, and select the X and Y direction fibers to be 3K carbon fibers, and the Z direction fibers to be 12K carbon fiber;
[0026] b) Wrap the outer layer of the Z-direction fiber with a mixed water solvent of 4% polyvinyl alcohol (the auxiliary agent is a silicone finishing agent), and after curing, obtain a Z-direction fiber with a certain degree of stiffness, and the diameter of the Z-direction fiber is 1.2mm ;
[0027] c) Give each pretreated Z-direction fiber bundle a tension force of 5N-10N, and then fix the Z-direction fibers with a certain tension force on the guide array support to construct a Z-direction...
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