Magnesium alloy honeycomb structure material and preparation method thereof

A honeycomb structure, magnesium alloy technology, applied in metal processing equipment, manufacturing tools, welding equipment and other directions, can solve problems such as being unsuitable for higher temperatures, and achieve the effects of low cost, simple equipment, and simplified procedures

Inactive Publication Date: 2013-08-14
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A magnesium alloy honeycomb structure material and a preparation method of the present invention aim to solve the problem that the above-mentioned prior art products are not suitable for higher temperatures, so as to provide a magnesium alloy honeycomb structure material with high bonding strength, which can be used without finishing the connection interface and has Magnesium alloy honeycomb structure material with high temperature resistance and technical scheme based on ultrasonic-assisted TLP magnesium alloy honeycomb panel semi-solid brazing method

Method used

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  • Magnesium alloy honeycomb structure material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0023] (1) Fabrication of the honeycomb core structure: the AZ31 board 2 with a thickness of 0.5mm is precisely bent and formed without damage to make the honeycomb core material.

[0024] (2) The surface of the panel and honeycomb core is soaked in NaOH solution with a volume fraction of 15% for 35 seconds, quickly taken out and soaked in HCL with a volume fraction of 15% for 40 seconds, taken out and dried to remove oil stains.

[0025] (3) Put the surface of the above connector into the liquid 3 solder Mg-0.15Zn container and heat it, the temperature rises to 350 degrees, and keep it warm for 3 minutes.

[0026] (4) Cooling: Put the wetted upper and lower plates 1 and the honeycomb in the semi-solid ultrasonic 4 for 45 seconds, and pressurize at 12 MPa. Cool to room temperature. The bonding strength is 25.2MPa. The honeycomb material can be used at a temperature below 250 degrees.

Embodiment approach 2

[0028] (1) Manufacture of honeycomb core structure: AZ31 with a thickness of 0.6mm is precisely bent and formed without damage to make a honeycomb core material.

[0029] (2) The surface of the panel and honeycomb core is soaked in NaOH solution with a volume fraction of 15% for 30 seconds, quickly taken out and soaked in HCL with a volume fraction of 15% for 40 seconds, taken out and dried to remove oil stains.

[0030] (3) Put the surface of the above-mentioned connecting piece into a container of liquid solder Mg-0.2Zn and heat it, the temperature rises to 400 degrees, and keep it warm for 4 minutes.

[0031] (4) Cooling: The upper and lower plates and the honeycomb that are wetted above are subjected to semi-solid ultrasonication for 50 seconds, and the pressure is 15 MPa. Cool to room temperature. The bonding strength is 27.4MPa. The honeycomb material can be used at a temperature below 300 degrees.

Embodiment approach 3

[0033] (1) Manufacture of honeycomb core structure: AZ31 with a thickness of 0.8mm is precisely bent and formed without damage to make a honeycomb core material.

[0034] (2) The surface of the panel and honeycomb core is soaked in NaOH solution with a volume fraction of 15% for 50 seconds, quickly taken out and soaked in HCL with a volume fraction of 15% for 60 seconds, taken out and dried to remove oil stains

[0035] (3) Put the surface of the above-mentioned connector into a container of liquid solder Mg-0.3Zn and heat it. The temperature rises to 500 degrees and keeps warm for 10 minutes.

[0036] (4) Cooling: The upper and lower plates and the honeycomb that are wetted above are subjected to semi-solid ultrasonication for 60 seconds and pressurized at 20 MPa. Cool to room temperature. The bonding strength is 32.3MPa. The honeycomb material can be used at a temperature below 300 degrees.

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Abstract

The invention relates to a magnesium alloy honeycomb structure material and a preparation method thereof, belonging to the technical field of composite materials, and characterizing in that the magnesium alloy honeycomb structure material has high bonding strength, can be used without finish machining of a connecting interface and has high-temperature resistance, and the method is a semi-solid soldering method based on ultrasonic assistance. The magnesium alloy honeycomb structure material is formed by connecting upper and lower panels with ultrasonic assisted liquid with a honeycomb core structure together, wherein the thickness of the upper and lower panels is 1-4.5mm, the thickness of a magnesium alloy thin plate of the honeycomb core structure is 0.5-0.8mm, and the width of the thin plate is 10-50mm. The magnesium alloy honeycomb structure material manufactured by using the ultrasonic assisted liquid for connection can be used at a high temperature, and the strength of the magnesium alloy honeycomb structure material is 25-35Mpa. A magnesium alloy honeycomb plate prepared from the magnesium alloy honeycomb structure material is high in strength, lightweight and high-temperature resistant, can be widely used in modern means of communication and transportation such as space vehicles, aerial vehicles, high-speed rails, urban rail trains and the like, and can be used as components of wall plates, floors, sound-proof materials and the like.

Description

technical field [0001] The invention relates to a magnesium alloy honeycomb structure material and a preparation method thereof, which belong to the technical field of composite materials, and specifically relate to a magnesium alloy honeycomb structure material with high bonding strength, which can be used without finishing the connection interface and has high temperature resistance and based on Technical scheme of ultrasonic-assisted semi-solid brazing method. Background technique [0002] Artificial honeycomb panels, especially metal honeycomb panels, have been widely used in aircraft, trains, ships, construction and other fields due to a series of advantages such as light weight, high strength, high rigidity, and excellent heat and sound insulation performance. Magnesium alloys have low density and have some very obvious advantages such as good specific strength, specific stiffness, and recyclability, especially playing an important role in reducing the weight of compon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B3/12B32B7/04B23K1/06B23K1/20
Inventor 丁敏郑勇刘士森张红霞
Owner TAIYUAN UNIV OF TECH
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