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Vacuum-assisted fiber-reinforced metal laminate flexible medium hydroforming method and device

A fiber-reinforced, metal laminate technology, applied in the field of composite material forming, can solve the problems of resin pollution on the surface of the mold, difficulty in precise forming, and many internal pores, so as to reduce the forming process and the number of molds, high-efficiency forming, and reduce wrinkling Effect

Pending Publication Date: 2022-03-15
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a vacuum-assisted fiber-reinforced metal laminate flexible medium liquid-filled forming method and device to solve the problem of resin overflow polluting the surface of the mold and easy separation of components during the liquid-filled forming process of fiber-reinforced metal laminate flexible medium in the prior art. Layers, many internal pores, and difficult to form accurately, can realize high-quality, high-efficiency and high-precision forming of fiber-reinforced metal laminate composite components

Method used

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  • Vacuum-assisted fiber-reinforced metal laminate flexible medium hydroforming method and device
  • Vacuum-assisted fiber-reinforced metal laminate flexible medium hydroforming method and device

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Embodiment

[0048] like Figure 1-Figure 6 As shown, this embodiment provides a vacuum-assisted fiber-reinforced metal laminate flexible medium liquid-filled forming method, including the following steps:

[0049] Step 1) as in figure 1 As shown, the mold is installed and debugged, the upper mold 1 is installed on the upper heating platform 2, and connected to the upper platform 9 through the upper heat insulation pad 6, the lower mold 3 is installed on the lower heating platform 4, and through the lower heat insulation The backing plate 5 is connected to the lower platform 10, and alcohol is used to wipe the cavity surfaces of the upper mold 1 and the lower mold 3 to prevent impurities from contaminating the flexible medium;

[0050] Step 2) Wipe and clean the surface of the metal sheet 13-5 in the fiber reinforced metal laminate blank, cut the fiber prepreg 13-6 according to the size of the metal sheet 13-5, and the fiber prepreg 13-6 in order paving on the surface of the metal sheet ...

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Abstract

The invention discloses a vacuum-assisted fiber-reinforced metal laminate flexible medium hydroforming method, and relates to the technical field of composite material forming. The method mainly comprises the five process steps of fiber reinforced metal laminate blank preparation, vacuum treatment, vacuum bag assisted flexible medium hydroforming, fiber reinforced metal laminate composite material component curing treatment and process supplementary surface removal. The invention further discloses a vacuum-assisted fiber-reinforced metal laminate flexible medium hydroforming device. The prepared fiber-reinforced metal laminate component is high in dimensional precision and few in internal defect, layering, stripping and other defects are not prone to being generated, the mode that vacuum bag forming and flexible medium liquid filling forming and curing integrated technology is combined is adopted, the forming quality and forming efficiency of the fiber-reinforced metal complex component are improved, and the manufacturing cost is reduced. And the application field of the fiber-reinforced metal laminate composite material is greatly widened.

Description

technical field [0001] The invention relates to the technical field of composite material forming, in particular to a vacuum-assisted fiber-reinforced metal laminate flexible medium liquid-filled forming method and device. Background technique [0002] Fiber-reinforced metal laminate is a hybrid composite material obtained by paving metal plates and fiber-reinforced resin-based composite materials. Fiber-reinforced metal laminate composite materials have high specific strength, high specific stiffness, light weight, fatigue resistance, The advantages of strong designability, more and more applications in aerospace, automotive and other fields, are being widely concerned by researchers. However, after the fiber-reinforced metal laminate is cured, the properties of the resin material change, and the material is brittle. During the forming process, the fiber layer and the metal layer crack defects, which affect the overall performance of the laminate. [0003] At present, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/34B29C70/54
CPCB29C70/342B29C70/54
Inventor 郎利辉闫东东张三敏
Owner BEIHANG UNIV
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