Embedded co-curing gridding damping composite material structure and manufacture process thereof

A damping composite material and composite material technology, applied in chemical instruments and methods, lamination, lamination devices, etc., can solve the problems of difficult and precise control of the thickness consistency of viscoelastic damping films

Active Publication Date: 2014-09-03
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the interlayer bonding performance of embedded co-cured damping composites produced by this process is relatively high, the consistency of the thickness of the viscoelastic damping film is difficult to precisely control
[0005] The above two methods are only suitable for the fabrication of embedded co-cured composite components with continuous damping films

Method used

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  • Embedded co-curing gridding damping composite material structure and manufacture process thereof
  • Embedded co-curing gridding damping composite material structure and manufacture process thereof
  • Embedded co-curing gridding damping composite material structure and manufacture process thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0055] An embedded co-cured grid damping composite material structure, including an upper composite material prepreg layer 1 and a lower composite material prepreg layer 3, and a viscous flow state is passed between the upper and lower composite material prepreg layers 1 and 3 The damping rubber material 6 is bonded with a number of block damping sheets 2 of the same shape and size; the upper and lower composite material prepreg layers 1, 3 and several block damping sheets 2 are laid on the upper and lower composite material prepreg layers respectively. The composite material prepregs above and below material layers 1 and 3 are co-cured together in an autoclave to form an embedded co-cured grid damping composite component;

[0056] The plurality of block-shaped damping sheets 2 are arranged in a matrix, that is, the plurality of block-shaped damping sheets are put into the coordinate system, the vertical coordinates of the centers of each row of damping sheets are corresponding...

Embodiment 2

[0058] An embedded co-cured grid damping composite material structure, including an upper composite material prepreg layer 1 and a lower composite material prepreg layer 3, and a viscous flow state is passed between the upper and lower composite material prepreg layers 1 and 3 The damping rubber material 6 is bonded with a number of block damping sheets 2 of the same shape and size; the upper and lower composite material prepreg layers 1, 3 and several block damping sheets 2 are laid on the upper and lower composite material prepreg layers respectively. The composite material prepregs above and below material layers 1 and 3 are co-cured together in an autoclave to form an embedded co-cured grid damping composite component;

[0059] The several block-shaped damping sheets are placed in neat rows or columns. In the coordinate system, the central abscissa coordinates of the two corresponding damping sheets in adjacent rows are not equal, but the two damping sheets corresponding up...

Embodiment 3

[0062] An embedded co-cured grid damping composite material structure, including an upper composite material prepreg layer 1 and a lower composite material prepreg layer 3, and a viscous flow state is passed between the upper and lower composite material prepreg layers 1 and 3 The damping rubber material 6 is bonded with a number of block damping sheets 2 of the same shape and size; the upper and lower composite material prepreg layers 1, 3 and several block damping sheets 2 are laid on the upper and lower composite material prepreg layers respectively. The composite material prepregs above and below material layers 1 and 3 are co-cured together in an autoclave to form an embedded co-cured grid damping composite component;

[0063] The several block-shaped damping sheets are placed in neat rows or columns. In the coordinate system, the central abscissa coordinates of the two corresponding damping sheets in adjacent rows are not equal, but the two damping sheets corresponding up...

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Abstract

The invention discloses an embedded co-curing gridding damping composite material structure. The embedded co-curing gridding damping composite material structure is characterized in that the embedded co-curing gridding damping composite material structure comprises an upper composite material prepreg layer and a lower composite material prepreg layer, wherein a plurality of blocky damping fins which are equal in shape and size are bonded between the upper composite material prepreg layer and the lower composite material prepreg layer by viscous state damping adhesive; the upper composite material prepreg layer, the lower composite material prepreg layer, the plurality of blocky damping fins and composite material prepregs paved above and under the upper composite material prepreg layer and the lower composite material prepreg layer respectively are commonly co-cured to form an embedded co-curing gridding damping composite material component. The invention also discloses a manufacture process of the embedded co-curing gridding damping composite material structure. The manufacture process comprises the steps of determining a damping structure, manufacturing a surface-mounted mold plate, pressing a damping film, manufacturing a damping fin, manufacturing viscous state damping adhesive, bonding the damping fins, volatilizing a solvent and finally forming, and the manufacture process lays a foundation for the design research of anisotropic damping structures and the wide application of the embedded co-curing gridding damping composite material structure.

Description

technical field [0001] The invention relates to the cross-research field of vibration and noise control and functional composite materials, in particular to an embedded co-cured grid damping composite material structure and its manufacturing process. Background technique [0002] Today, with the rapid development of aviation and aerospace technology, traditional materials and structures can no longer meet the design requirements of light weight, high stiffness, and large damping performance of aircraft. The embedded co-cured composite material damping structure is the basis for almost maintaining the mechanical properties of traditional composite materials. A new structure with high damping and vibration reduction performance proposed above is a kind of multiphase composite solid formed by solidifying three materials with different properties. From the analysis of its composition and structure, one of the phases is basically in the layer. The upper part is continuous called ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): B32B3/18B32B7/12B32B37/06B32B37/10B32B37/12
Inventor梁森雒磊李雪张术国
OwnerQINGDAO TECHNOLOGICAL UNIVERSITY