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Fiber composite and manufacturing method thereof

A technology of fiber composite materials and fibers, which is applied in the field of fiber composite materials with vibration-controlling properties and its manufacturing method, and can solve the problems of overall material rigidity and strength reduction, insufficient vibration-control reduction ratio, etc.

Active Publication Date: 2019-04-26
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] It has been pointed out in the literature that fiber composite materials have the effect of damping vibration, but there are still problems to be solved, such as insufficient vibration damping reduction ratio and a sharp drop in the rigidity and strength of the overall material

Method used

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  • Fiber composite and manufacturing method thereof
  • Fiber composite and manufacturing method thereof
  • Fiber composite and manufacturing method thereof

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Embodiment 1

[0050] The preparation procedures and conditions of Embodiment 1 of the present invention (numbering: 4V) are as follows, and each material is described as follows, fiber: carbon fiber (Toray, T700SC, 12K); first / second resin: epoxy resin (Dow Chemical, Epon 828); multilayer carbon nanotubes: A-MWCNT1020, Xinyun Enterprise (accounting for 5wt% of composite resin layer); modified functional group: amine group (according to J.Mater.Chem.,2011,21,7337-7342 Methods). Preparation of a round tubular hollow body Taking the length 450mm X diameter 20mm and thickness 4.0mm as an example, first place 4 strip-shaped composite resin layers (thickness 70±2μm) on the fiber prepreg horizontally at an angle of 0° (θ°) On the cloth layer (thickness 80±2μm) (similar figure 1 shown, but the included angle is 0 degrees), the width L of the strip-shaped composite resin layer 1 The distance L from the plurality of strip-shaped composite resin layers 2 The ratio is 1:4. Then wrap the above-menti...

Embodiment 2

[0052] Embodiment 2 of the present invention (code number: 2V) preparation method and conditions are as described in Embodiment 1, change the width L of the composite resin layer of this strip 1 The distance L from the plurality of strip-shaped composite resin layers 2 The ratio is 1:2.

Embodiment 3

[0054] Embodiment 3 of the present invention (number: 3V) preparation method and condition are as described in embodiment 1, change the width L of the composite resin layer of this strip 1 The distance L from the plurality of strip-shaped composite resin layers 2 The ratio is 1:3.

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Abstract

A fiber composite and a manufacturing method thereof are provided. The fiber composite includes: fiber prepreg layers each including a first resin and fibers impregnated with the first resin; and a plurality of strip-shaped composite resin layers including multi-layered carbon nanotubes and a second resin, wherein the plurality of the strip-shaped composite resin layers are disposed on the fiber prepreg layers; the composite resin layers and the fiber prepreg layers together form a hollow tubular body so that the strip-shaped composite resin layers are between the two fiber prepreg layers; and, and the included angle between the length direction of the plurality of strip-shaped composite resin layers and the extending direction of the fiber prepreg layers is 0-90 degrees.

Description

technical field [0001] The present invention relates to a fiber composite material and its preparation method, in particular to a fiber composite material with vibration damping properties and its preparation method. Background technique [0002] Since the related products of polymer fiber composite materials meet the requirements of human beings for light weight, high strength and high degree of design freedom, it is an inevitable development trend to combine various functional characteristics and uses in various light-weight structural products. However, composite products tend to be thinner and shorter, and the structural design focuses on high strength. However, materials with higher physical strength are often accompanied by increased brittleness. Therefore, when the material is stressed, it will often break because of the increased brittleness. To solve this problem, The damping properties of the material must be improved to increase its damping effect after absorbing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/08B29C70/30
CPCB29C70/088B29C70/30B29C70/0035B82Y30/00B29C70/32B29D23/00B29K2105/167B29K2995/0091B29K2307/04B32B2262/0261B32B2260/021B32B2260/046B32B2262/101B32B2307/746B32B2262/103B32B2262/062B32B2262/08B32B2262/10B32B3/08B32B2250/20B32B2262/106B32B2307/732B32B1/08B32B2262/0276B32B2307/56B32B2262/0269B32B5/26B32B2262/105B29C70/081B32B37/12B32B27/08B32B27/12
Inventor 刘时州叶日翔
Owner IND TECH RES INST
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