Composite material for vibration reduction and preparation method thereof

A composite material and polymer material technology, applied in the field of vibration-damping composite materials and their preparation, can solve problems such as inconvenience in repair and maintenance and replacement, and achieve the effects of easy repair and maintenance, short process flow, and lightweight structure.

Inactive Publication Date: 2021-11-16
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned wire mesh used for bearing vibration reduction inevitably has its disadvantages. The wire mesh must be integrated with the parts as a part of the parts, which brings inconvenience to repair, maintenance and replacement.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038]In this embodiment, the stainless steel wire mesh is combined with the polyurethane melt, and the composite material of the stainless steel wire mesh roll body and the polyurethane is obtained by the thermal drawing and rolling method.

[0039] The above-mentioned composite materials, its application steps and process conditions are as follows:

[0040] Step 1: Design the following parameters according to the requirements of the composite material of the stainless steel wire mesh roll body and polyurethane, using 304 stainless steel wire, the diameter of the 304 stainless steel circular section wire diameter is 300 μm; the 304 stainless steel wire with a circular section wire diameter of 300 μm is passed through the braiding machine wire, woven into a stainless steel wire mesh with a mesh number of 30; the target body design size determines that the composite material is in the shape of a cylinder, the radius of the bottom surface is 200mm, and the height is 100mm.

[00...

Embodiment 2

[0045] In this embodiment, stainless steel wire mesh is matched with polyurethane melt, and a composite material of stainless steel wire mesh roll body and polyurethane is obtained by vibration pressing method.

[0046] The wire mesh coiled body described in this embodiment is formed by coiling a wire mesh woven with metal wire, and the steps for preparing the stainless steel wire mesh coiled body are as follows:

[0047] Step 1: Design the following parameters according to the requirements of the composite material of stainless steel wire mesh roll body and polyurethane material, using 304 stainless steel wire, the diameter of the circular section of 304 stainless steel is 500 μm; the target body design size determines that the composite material is a cylinder shape with a base radius of 100mm and a height of 100mm.

[0048] Step 2: Weave 304 stainless steel wires with a diameter of 500 μm in a circular section into a stainless steel wire mesh with a mesh number of 30 by a br...

Embodiment 3

[0056] In this embodiment, stainless steel wire mesh is combined with polyurethane melt, and the composite material of stainless steel wire mesh roll body and polyurethane is obtained by extrusion impregnation method.

[0057] The preparation steps of the wire mesh coiled body are basically the same as in Example 2.

[0058] The above-mentioned stainless steel wire mesh coiled body is used to obtain a composite material of stainless steel wire mesh coiled body and polyurethane by the extrusion impregnation method, and its application steps and process conditions are as follows:

[0059] Step 1: Select the mold cavity according to the designed shape of the stainless steel wire mesh coiled body. The radius of the stainless steel wire mesh coiled body in this embodiment is 100 mm, and the height is 100 mm. The mold cavity is a cylinder, and the radius of the inner hole is 100mm, which is consistent with the radius of the stainless steel wire mesh roll. In order to ensure that th...

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Abstract

The invention discloses a composite material for vibration reduction and a preparation method thereo. The composite material is a composite body of a metal wire mesh roll stack and a high polymer material, wherein the metal wire mesh and the high polymer material are alternately distributed, the metal wire mesh roll stack comprises the high polymer material, the high polymer material also comprises the metal wire mesh, and a whole body is formed, wherein the metal wire mesh accounts for 20%-80% of the volume, and the high polymer material accounts for 80%-20% of the volume. Through four different preparation methods, the composite material with a certain bearing capacity and a stable structure is provided for occasions needing vibration reduction and absorption.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a composite material for vibration reduction and a preparation method thereof. Background technique [0002] Vibration commonly exists in life and production, such as the vibration of the car body when the subway passes the rails, the vibration of the bridge caused by the strong wind blowing over the bridge, the vibration of the machine tool in the factory, etc. In most cases, vibration is a negative factor. Polymer materials are mostly high-quality damping materials, often used for vibration reduction. For example, polyurethane among polymer materials is a material with light weight and good vibration resistance. It is often used in vibration damping pads, but due to insufficient rigidity, it is not suitable as a structural material. The composite material combined with polymer material and metal material can make up for the defect of insufficient rigidity ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08K7/06B29C70/52
CPCC08K7/06B29C70/523B29C70/525C08L75/04
Inventor 周照耀王桂来
Owner SOUTH CHINA UNIV OF TECH
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