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Method and equipment for preparing multi-layer composite material and structural damping composite material

A multi-layer composite material and composite material technology, applied in the field of structural damping composite materials, can solve problems such as poor bonding between damping materials and structural materials, easy damage to interlayer structures, difficulty in eliminating noise and vibration pollution and hazards, etc.

Active Publication Date: 2016-04-13
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this type of components, the bonding force between the damping material and the structural material is poor. When subjected to impact loads, the interlayer structure is easily damaged, delaminated and peeled off, and it is difficult for the damping material to fully exert its shock absorption and noise reduction functions.
However, the direct production of corresponding composite materials will take a lot of cost and time, which limits the large-scale application of structural damping materials.
In addition, people pay more and more attention to the pollution and harm caused by noise and vibration, which also puts forward higher requirements for the vibration and noise reduction performance of materials. It is difficult to eliminate the noise and vibration caused by a single damping material. pollution and hazards

Method used

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  • Method and equipment for preparing multi-layer composite material and structural damping composite material
  • Method and equipment for preparing multi-layer composite material and structural damping composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0020]The multilayer composite material in this embodiment is a structural damping composite material with 316 type alloy steel as the matrix layer, Zn-Al alloy as the first damping layer and Fe-Cr alloy as the second damping layer, the first damping layer and the source of the second damping layer are Zn-Al alloy electrode and Fe-Cr alloy electrode respectively, wherein, each component and its content in Zn-Al alloy are Al20wt%, Cu5wt%, Mg0.1wt%, the rest It is Zn; each component and its content in the Fe-Cr alloy are Cr10wt%, Al5wt%, Si2wt%, and the rest is Fe. The area required for deposition in this embodiment is figure 2 The grids of A1-A4 and B1-B4 are prepared as follows:

[0021] use as figure 1 In the shown equipment, the 316-type alloy steel 4 is placed on the workbench 1 and connected to the cathode of the pulse power supply 2, and then the electrode clamping part 3 connected to the anode of the pulse power supply 2 clamps the Zn-Al alloy electrode ( The first e...

Embodiment 2

[0025] The multilayer composite material in this embodiment is a structural damping composite material with 304 type alloy steel as the matrix layer, Fe-Cr alloy as the first damping layer and Zn-Al alloy as the second damping layer, the first damping layer and the source of the second damping layer are Fe-Cr alloy electrode and Zn-Al alloy electrode respectively, wherein, each component and its content in Zn-Al alloy are Al24wt%, Cu4wt%, Mg0.06wt%, the rest It is Zn; each component and its content in the Fe-Cr alloy are Cr16wt%, Al4wt%, Si0.6wt%, and the rest is Fe. The area required for deposition in this embodiment is figure 2 The grid of A1-A4 in the grid, its preparation process is as follows:

[0026] use as figure 1 In the shown equipment, 304-type alloy steel 4 is placed on the workbench 1 and connected to the cathode of the pulse power supply 2, and then the electrode clamping part 3 connected to the anode of the pulse power supply 2 clamps the Fe-Cr alloy electrod...

Embodiment 3

[0030] The multilayer composite material in this embodiment is a structural damping material with aluminum alloy as the matrix layer, Zn-Al alloy as the first damping layer and Fe-Cr alloy as the second damping layer, the first damping layer and the second The source of the damping layer is a Zn-Al alloy electrode and a Fe-Cr alloy electrode, wherein the components and their contents in the Zn-Al alloy are Al27wt%, Cu2wt%, Mg0.04wt%, and the rest is Zn; Each component and its content in the Fe-Cr alloy are 12.75wt% Cr, 1.97wt% Al, 1.1wt% Si, and the rest is Fe. The area required for deposition in this application is figure 2 For all grids in , the preparation process is as follows:

[0031] use as figure 1 In the shown equipment, the aluminum alloy 4 is placed on the workbench 1 and connected to the cathode of the pulse power supply 2, and then the electrode clamping part 3 connected to the anode of the pulse power supply 2 clamps the Zn-Al alloy electrode (the first elect...

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Abstract

The invention provides a method and equipment for preparing a multi-layer composite material and a structural damping composite material prepared by adopting the method and the equipment. The preparation process comprises the following steps: 1. by taking a matrix layer as a cathode and taking a first electrode used as a source of a first structural layer as an anode, depositing the first electrode onto the surface of the matrix layer and forming a first structural layer by utilizing electrical discharge deposition; and 2. by taking a second electrode used as a source of a second structural layer as an anode, depositing the second electrode onto the surface of the first structural layer and forming a second structural layer by utilizing electric discharge deposition. When the first structural layer and the second structural layer are respectively a first damping layer and a second damping layer formed by damping materials, the obtained multi-layer composite material is a structural damping composite material. Control mechanisms of the equipment used by the method include a mechanism for controlling electrode feed movement and a mechanism for controlling an electrode clamping part to clamp or replace the electrode.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a method for preparing a multilayer composite material and equipment used in the method, and also relates to a structural damping composite material obtained by using the method and equipment. Background technique [0002] While the mechanical equipment is highly efficient, automated and widely used, the vibration generated by the mechanical equipment will seriously affect the accuracy and stability of the instrument and cause structural fatigue, and the noise generated will also endanger the health of the surrounding personnel. Therefore, the research and development of materials with excellent vibration and noise reduction and mechanical properties is of great significance to the civil, military and aerospace industries, and damping materials are thus produced. [0003] Damping materials are divided into three categories according to their characteristics: 1) Rubber and pla...

Claims

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Application Information

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IPC IPC(8): C23C26/02C23C18/04C22C38/18C22C38/06C22C38/02
CPCC22C18/04C22C38/02C22C38/06C22C38/18C23C26/02
Inventor 李达范兴文陈兵肖长源张敏敏刘赞
Owner SOUTHWEST JIAOTONG UNIV
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