Method for preparing magnesium-aluminum composite plate by radio frequency magnetic control

A magnetic control, composite plate technology, applied in the field of light alloys, can solve the problems of difficult metallurgy and other problems, and achieve the effect of easy plate thickness, good interlayer bonding strength and good surface quality

Active Publication Date: 2021-04-16
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the defect that the middle layer interface of the magnesium-aluminum composite plate existing in the prior art is difficult to realize complete metallurgy, the purpose of the present invention is to provide a The method of the magnesium-aluminum composite plate, the comprehensive performance of the magnesium-aluminum composite plate prepared by the method of the present invention is relatively excellent, the layer interface between magnesium and aluminum realizes complete metallurgical bonding, has high bonding strength, not only high specific strength and specific stiffness, And has good corrosion resistance and plastic formability

Method used

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  • Method for preparing magnesium-aluminum composite plate by radio frequency magnetic control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Substrate preparation: Soak the wire-cut magnesium alloy substrate (with a size of φ76.2×5mm) in an acetic acid solution with a mass concentration of 50wt% for 24 hours to remove oil stains on the surface, and then ultrasonically clean it three times with deionized water, each time The time is 15min, the ultrasonic frequency is 100Hz, and then polished to the mirror surface on one side. After polishing, they are respectively placed in acetone, ethanol and deionized water for ultrasonic cleaning. 100Hz;

[0034] (2) Then fix the magnesium alloy substrate cleaned in step (1) on the baffle, put it into the sample delivery chamber of the radio frequency magnetron sputtering equipment for vacuuming, and the vacuum degree is higher than 5×10 -3 Torr, then turn off the chamber vacuum pump;

[0035] (3) Target pre-sputtering: Pre-sputtering is performed on the magnesium target and the aluminum target in the sputtering chamber respectively, and the vacuum degree of the cham...

Embodiment 2

[0046] The preparation process is the same as in Example 1, except that the heating temperature of the magnesium alloy substrate in step (6) of Example 1 is replaced by 150°C.

[0047] The method for testing the interface bonding force of the magnesium-aluminum composite panel obtained in this example is the same as that in Example 1, and the interface bonding force is 202 MPa.

Embodiment 3

[0049] The preparation process is the same as that of Example 1, except that the heating temperature of the magnesium alloy substrate in step (6) of Example 1 is replaced by 200°C.

[0050] The method for testing the interfacial bonding force of the magnesium-aluminum composite panel obtained in this embodiment is the same as in Example 1, and the interfacial bonding force is 310 MPa;

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Abstract

The invention belongs to the technical field of light alloys, and particularly relates to a method for preparing a magnesium-aluminum composite plate by radio frequency magnetic control. The method comprises the following steps that (1) a matrix is prepared, and specifically, the cleaned magnesium alloy matrix is placed into a sample feeding chamber of radio frequency magnetron sputtering equipment to be vacuumized; (2) pre-sputtering is conducted, and specifically, a magnesium target material and an aluminum target material in an sputtering cavity are subjected to pre-sputtering; (3) sample feeding is conducted, and specifically, the magnesium alloy matrix is fed to a sample table in the sputtering cavity; (4) cavity washing is conducted, specifically, an air inlet valve of the sputtering cavity is opened, and the flow rate of high-purity argon and the cleaning time are adjusted; (5) the matrix is heated, specifically, the magnesium alloy matrix is heated, and then a sample rotating table is adjusted to continuously rotate; (6) sputtering is conducted, and specifically, the magnesium target material and the aluminum target material are subjected to radio frequency magnetron sputtering; and (7) cold rolling is conducted, specifically, the sputtered aluminum single face is subjected to cold rolling treatment, and the magnesium-aluminum composite plate is obtained. The magnesium-aluminum composite plate prepared through the method is excellent in comprehensive performance, complete metallurgical bonding of a layer interface between magnesium and aluminum is achieved, and high bonding strength is achieved.

Description

technical field [0001] The invention belongs to the technical field of light alloys, and in particular relates to a method for preparing a magnesium-aluminum composite plate by using radio frequency magnetic control. Background technique [0002] The poor corrosion resistance of magnesium and magnesium alloys is one of the main reasons that limit their wide application. In contrast, aluminum and aluminum alloys generally have good corrosion resistance and plastic formability, and have good surface repairability and modification. Therefore, the surface of the magnesium alloy is covered with a layer of metal aluminum with good corrosion resistance to form a laminated composite material, which can protect the magnesium alloy while exerting high specific strength and specific stiffness, good shock absorption performance and electromagnetic wave shielding performance, etc. The advantages. It can be expected that in the near future, this kind of magnesium-aluminum composite plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/35C23C14/50C23C14/02C23C14/16C23C14/54B21B1/38
Inventor 王泽秦青丰王云壮毕伟孙志娟夏少华叶霞李小平王成雷卫宁谈衡陈修祥
Owner JIANGSU UNIV OF TECH
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