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Processing apparatus and processing method for microwave cured fiber reinforced resin matrix composite

A technology of fiber-reinforced resin and composite materials, which is applied to microwave-cured fiber-reinforced resin-based composite material processing devices and processing fields, can solve the problems of temperature control lag, long time, differential compaction, etc., to improve quality and performance, Small internal stress and deformation, and the effect of improving energy utilization

Active Publication Date: 2012-10-17
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems and defects in the autoclave molding technology: (1) The autoclave has a long curing time, high energy consumption and low resource utilization
This heating method is inefficient, takes a long time, and the temperature control has hysteresis, which consumes a lot of energy
(2) Unacceptable temperature gradients and poor compaction will occur in components of large size and thickness formed by autoclave
At the same time, there are some defects in the bonding interface of the composite material co-cured in the autoclave, and the mechanical properties are not ideal, which affects the quality and service life of the composite material

Method used

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  • Processing apparatus and processing method for microwave cured fiber reinforced resin matrix composite
  • Processing apparatus and processing method for microwave cured fiber reinforced resin matrix composite
  • Processing apparatus and processing method for microwave cured fiber reinforced resin matrix composite

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0030] Such as figure 1 figure 2 Shown: Microwave-cured fiber-reinforced resin-based composite material processing device, including microwave source water cooling interface 1, microwave source electrical interface 2, magnetron 3, magnetron antenna 4, rectangular waveguide 5, polygonal multimode resonant cavity 6, Infrared temperature measuring probe 7, tank body 8, composite material 9, vacuum tube 11, vacuum tube connector 12, pressure gauge 13, control cabinet 14, vacuum pump 15, air compressor 16, flow meter 17, vacuum valve 18, workbench 19, mold 20, pressure relief valve 21, resonant cavity sealing door 22, tank body sealing door 23, mode agitator 24, door handle 25, sealing tape 101, release agent 201, release cloth 301, vacuum bag 401, isolation film with holes 501, air felt 701, quick connector 901.

[0031] The tank body 8 is arranged with a polygonal mu...

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Abstract

The invention relates to a processing apparatus and a processing method for a composite and especially to a processing apparatus and a processing method for a microwave cured fiber reinforced resin matrix composite. According to the invention, a polygonal multi-mode cavity is arranged in a tank; a microwave source water cooling interface and a microwave source electrical interface are connected with a magnetron; the magnetron is arranged at an outer side of the tank and connected with a rectangular waveguide tube through a magnetron antenna; the rectangular waveguide tube is arranged at an outer side of the polygonal multi-mode cavity; a vacuum pipe joint is arranged at an inside wall of the polygonal multi-mode cavity; a worktable is disposed in the polygonal multi-mode cavity; a die is disposed on the worktable; the composite is disposed in the die and a vacuum valve is arranged at the upper end of the die; and the vacuum valve is connected with the vacuum pipe joint through a vacuum pipe.

Description

technical field [0001] The invention relates to a processing device and a processing method of a composite material, in particular to a processing device and a processing method of a microwave-cured fiber-reinforced resin-based composite material. Background technique [0002] Fiber-reinforced resin-based composite materials have the advantages of high specific strength and specific stiffness, light weight, heat resistance, corrosion resistance, fatigue resistance, and good shock absorption performance, and are widely used in aerospace, transportation, wind power, electronic power and other fields . Prepreg is a prepreg sheet product made by impregnating reinforcing fibers (carbon fiber, glass fiber, aramid fiber) in a matrix (epoxy resin, polyester resin, thermoplastic resin, etc.). intermediate material. [0003] Due to the above-mentioned excellent properties of composite materials, different molding methods have been developed for different composite material component...

Claims

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Application Information

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IPC IPC(8): B29C70/44B29C70/54
Inventor 李迎光李楠垭杭翔
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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