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Encapsulation method of composite reinforced wall plate axial compression test piece

A technology of reinforced wallboard and axial compression test, which is applied in the preparation of test samples, etc., to avoid excessive temperature of the glue, uniform heat distribution, and improve the quality of the potting glue

Inactive Publication Date: 2019-10-11
AVIC COMPOSITES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention is aimed at the above-mentioned shortcomings in the prior art and provides a potting method for the axial compression test piece of the composite material reinforced wall plate. High problems, avoiding high temperature damage to composite parts, improving the quality of potting colloid, thereby reducing the deviation of compression test data

Method used

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  • Encapsulation method of composite reinforced wall plate axial compression test piece
  • Encapsulation method of composite reinforced wall plate axial compression test piece
  • Encapsulation method of composite reinforced wall plate axial compression test piece

Examples

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Effect test

Embodiment 1

[0040] According to the above steps, the material of the composite material reinforced wall panel axial compression test piece 1 in this embodiment is M21C resin prepreg, such as figure 1 As shown, the sandpaper used is Panda 120 mesh, the potting glue used is DG-3, and the quartz sand used is 200 mesh.

[0041] First, draw a line at the two ends of the composite material reinforced wallboard axial compression test piece 1 where the glue potting box 1 is inserted, and use Panda 120 mesh sandpaper to polish off the resin on the surface of the test piece without damaging the fibers. DG- 3. Pour the main agent components into the container for heating, and fully stir during the heating process; add 200 mesh quartz sand into the container, and then fully stir; after stirring evenly, add the curing agent component, and fully stir; Add the proportioned glue in the container to the glue filling box 1, such as figure 2 As shown, put one end of the composite material reinforced wallb...

Embodiment 2

[0043] According to the above steps, the material of the composite material reinforced wall plate axial compression test piece 1 in this embodiment is X850 resin prepreg, such as figure 1 As shown, the sandpaper used is Panda 120 mesh, the potting glue used is J-133, and the quartz sand used is 200 mesh.

[0044] First, draw a line at the two ends of the composite material reinforced wallboard axial compression test piece 1 where it is inserted into the glue box 1, and use Panda 120 mesh sandpaper to polish off the resin on the surface of the test piece without damaging the fibers. Pour the main agent component of 133 into the container; add 200 mesh quartz sand into the container, and then fully stir; after stirring evenly, add the curing agent component, and fully stir; add the glue solution in the container to the potting box 1, such as figure 2 As shown, put one end of the composite material reinforced wallboard axial compression test piece into the glue filling box 1 fi...

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Abstract

The present invention is an encapsulation method of composite reinforced wall plate axial compression test piece. The method comprises following steps: mixing a main agent and a curing agent, pouringthe mixture into a glue filling box 1, inserting one end of a composite reinforced wall plate axial compression test piece 2 into the glue filling box, and completing fixed connection after curing. The method is characterized in that: adding quartz sand to a main agent, mixing uniformly, mixing with a curing agent, and finally pouring into the glue filling box; wherein ratio of an added mass of the quartz sand to a total mass of the main agent and the curing agent is: 0.5 ~1.2. The method can effectively avoid the problem of excessive temperature of glue liquid in the encapsulation process, improves quality of encapsulation colloid, and thereby reduces deviation of compression test data.

Description

technical field [0001] The invention relates to a filling and sealing method for a composite material reinforced wall plate axial pressure test piece, which relates to the field of composite material manufacturing. Background technique [0002] With the continuous improvement of the performance and manufacturing technology of composite materials, composite materials have become the main structural materials of aerospace vehicles. Compressive strength is one of the parameters commonly used to characterize the mechanical properties of composite materials, and the compressive strength of materials can be determined by performing compression tests. In the prior art, the compressive strength is usually measured by an axial compression testing machine after preparing an axial compression test piece. This method requires extremely high processing accuracy and surface quality of the test piece. In recent years, engineers at home and abroad generally use the method of potting compos...

Claims

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Application Information

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IPC IPC(8): G01N1/36
CPCG01N1/36
Inventor 王永贵马子于俞天奇
Owner AVIC COMPOSITES
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