Preparation method of carbon fiber/glass fiber hybrid invisible composite material
A glass fiber, composite material technology, applied in textile, yarn, textile and papermaking, etc., can solve the problems of reducing the mechanical properties of composite materials, wave impedance matching, etc., and achieve good wave transmission performance, reduced reflection, good mechanical properties Effect
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Embodiment 1
[0033] Carbon fiber is used as the core yarn, S glass fiber is used as the weaving yarn, and the core yarn and weaving yarn are woven into carbon fiber / glass fiber core-spun yarn using two-dimensional weaving technology. The weaving angle between the weaving yarn and the core yarn is 20°. The yarn ratio is 40 / 60, plain weave is used to weave cloth, and the weaving structure is diamond weaving 1 / 1.
[0034] Mix TDE-86 epoxy resin, HK-021 anhydride (curing agent) and dimethylbenzylaminoaniline (catalyst) according to the mass ratio of 100:85:1 and then inject them with cloth. After the injection molding is completed, the material is put into an oven for internal curing. The curing method is 130°C-2h, 105°C-1h, 160°C-8h, 180°C-3h, and the carbon fiber / glass fiber hybrid stealth composite material is obtained.
Embodiment 2
[0036] Carbon fiber is used as the core yarn, S glass fiber is used as the weaving yarn, and the core yarn and weaving yarn are woven into carbon fiber / glass fiber core-spun yarn by using two-dimensional weaving technology. The yarn ratio is 40 / 60, plain weave is used to weave cloth, and the weaving structure is regular weaving 2 / 2.
[0037] Mix TDE-86 epoxy resin, HK-021 anhydride (curing agent) and dimethylbenzylaminoaniline (catalyst) according to the mass ratio of 100:85:1 and then inject them with cloth. After the injection molding is completed, the material is put into an oven for internal curing. The curing method is 130°C-2h, 105°C-1h, 160°C-8h, 180°C-3h, and the carbon fiber / glass fiber hybrid stealth composite material is obtained.
Embodiment 3
[0039] Carbon fiber is used as the core yarn, S glass fiber is used as the weaving yarn, and the core yarn and weaving yarn are woven into carbon fiber / glass fiber core-spun yarn by using two-dimensional weaving technology. The yarn ratio is 40 / 60, plain weave is used to weave cloth, and the weave structure is 3 / 3 of Hercules weave.
[0040] Mix TDE-86 epoxy resin, HK-021 anhydride (curing agent) and dimethylbenzylaminoaniline (catalyst) according to the mass ratio of 100:85:1 and then inject them with cloth. After the injection molding is completed, the material is put into an oven to cure. The curing method is 130°C-2h, 105°C-1h, 160°C-8h, 180°C-3h, and the carbon fiber / glass fiber hybrid stealth composite material is obtained.
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