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Method for adopting microwave ultrasound solidification fibre reinforced composite component and special device thereof

A technology for reinforcing composite materials and curing fibers, which is applied in the field of microwave-ultrasonic curing of fiber-reinforced composite components, which can solve the problems of long time for fiber-reinforced composite materials, inability to fill molds in local areas, and insufficient fiber infiltration, etc., to improve energy utilization The effect of improving efficiency, shortening production time, and improving the production environment

Active Publication Date: 2013-03-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] The invention provides a method and a special device for curing fiber-reinforced composite material components by using microwave ultrasonics, which can solve the problems of long time, high energy consumption, insufficient fiber infiltration and inability to produce fiber-reinforced composite materials in traditional composite material molding methods. Mold Filling Issues, Improving Quality and Performance of Composite Parts

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  • Method for adopting microwave ultrasound solidification fibre reinforced composite component and special device thereof

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Embodiment Construction

[0013] Such as figure 1 As shown, the special device adopted in the present invention mainly includes a controller 1, a glue injection system 2, a storage tank 4, a microwave resonator cavity 7, an RTM mold 8, a glue distribution tank 14, an ultrasonic transducer 11, a microwave generator and Ultrasonic generator 13, the controller 1 is connected to the glue injection system 2 through the pipeline, the glue injection system 2 is provided with a glue injection pump 3, and the glue distribution tank 14 is sequentially connected to the glue injection pump 3 and the storage tank 4 through the glue injection pipe The RTM mold 8 is connected, and a valve and a pressure gauge 5 are also arranged on the injection pipe. The RTM mold 8 is mounted on a table 10 and located in a microwave cavity 7 . Both sides of the RTM mold 8 have a glue outlet 6 and a glue injection port 12 respectively. The microwave resonator 7 is externally connected to a microwave generator, and an ultrasonic tran...

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Abstract

The invention discloses a method for adopting a microwave ultrasound solidification fibre reinforced composite component and a special device thereof. The method comprises the following steps of: firstly placing a prefabricated part in a filling module, wherein the filling module simultaneously uses ultrasonic wave to accelerate a resin to permeate and increase the wettability; and using a microwave heating module after finishing until resin is full solidified. The special device is used for installing a mould in a microwave cavity, the microwave cavity is externally connected with a microwave generator, and the microwave cavity is internally provided with an ultrasonic transducer and is externally connected with an ultrasonic generator. The method and the special device provided by the invention solve the problems that when a fibre reinforced composite material is manufactured by using the traditional composite material forming method, the manufacturing time is long, the energy consumption is high, the fiber soakage is not full and a local region is not filled by a module, and the quality and performance of composite material parts are improved.

Description

[0001] technical field [0002] The invention belongs to the field of composite material molding and processing, and specifically refers to a method for solidifying fiber-reinforced composite material components by using microwave ultrasound and a special device thereof. Background technique [0003] Fiber-reinforced resin-based composite materials have high specific strength and specific stiffness, light weight, heat resistance, corrosion resistance, fatigue resistance, and good shock absorption performance. They are widely used in aerospace, transportation, wind power, and 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 for matrix composites. [0004] Due to the above-mentioned excellent properties of fiber-reinforced resin-based composites, different molding methods have been...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/48
Inventor 李迎光李楠垭杭翔傅承阳
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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