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Method for preparing micro-arc oxidation film of aluminum titanium composite plate

A technology of micro-arc oxidation and composite board, which is applied in the direction of anodic oxidation, electrolytic coating, surface reaction electrolytic coating, etc., can solve the problems of corrosion resistance and thermal shock resistance in the transition zone of the micro-arc oxidation film, and achieve Easy process production, hardness improvement, and the effect of increasing barriers

Active Publication Date: 2019-09-20
GUANGXI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method by adding Al 2 o 3 The micro-arc oxidation film of aluminum-titanium composite plate prepared by particles can improve the problems of the transition zone thickness difference, corrosion resistance and thermal shock resistance of the micro-arc oxidation film on the surface of aluminum-titanium composite plate and weld seam

Method used

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  • Method for preparing micro-arc oxidation film of aluminum titanium composite plate
  • Method for preparing micro-arc oxidation film of aluminum titanium composite plate
  • Method for preparing micro-arc oxidation film of aluminum titanium composite plate

Examples

Experimental program
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Effect test

Embodiment 1

[0023] A method for preparing a micro-arc oxidation film on an aluminum-titanium composite plate, comprising the steps of:

[0024] (1) Use titanium as the base plate and aluminum as the cladding plate to form an aluminum-titanium composite plate by explosive welding. The sample of the aluminum-titanium composite plate is polished step by step with sandpaper until the surface is smooth, ultrasonically cleaned in ethanol for 5 minutes, and air-dried at room temperature;

[0025] (2) The aluminum-titanium composite plate sample is immersed in the electrolyte as the anode, and the stainless steel electrolyte tank is used as the cathode, and the AC constant voltage mode is used for micro-arc oxidation treatment. After the treatment, the micro-arc oxidation sample is rinsed with cold water , remove the residue on the surface, and air-dry at room temperature to obtain a micro-arc oxidation film on the surface of the aluminum-titanium composite plate.

[0026] The preparation of the ...

Embodiment 2

[0030] A method for preparing a micro-arc oxidation film on an aluminum-titanium composite plate, comprising the steps of:

[0031] (1) Using titanium as the substrate and aluminum as the cladding plate to form an aluminum-titanium composite plate by explosive welding, the sample of the aluminum-titanium composite plate is polished step by step with sandpaper until the surface is smooth, ultrasonically cleaned in ethanol for 10 minutes, and air-dried at room temperature;

[0032] (2) The aluminum-titanium composite plate sample is immersed in the electrolyte as the anode, and the stainless steel electrolyte tank is used as the cathode, and the AC constant voltage mode is used for micro-arc oxidation treatment. After the treatment, the micro-arc oxidation sample is rinsed with cold water , remove the residue on the surface, and air-dry at room temperature to obtain a micro-arc oxidation film on the surface of the aluminum-titanium composite plate.

[0033] The preparation of th...

Embodiment 3

[0037] A method for preparing a micro-arc oxidation film on an aluminum-titanium composite plate, comprising the steps of:

[0038] (1) Using titanium as the substrate and aluminum as the cladding plate to form an aluminum-titanium composite plate through explosive welding, the sample of the aluminum-titanium composite plate is polished step by step with sandpaper until the surface is smooth, ultrasonically cleaned in acetone for 5 minutes, and air-dried at room temperature;

[0039] (2) The aluminum-titanium composite plate sample is immersed in the electrolyte as the anode, and the stainless steel electrolyte tank is used as the cathode, and the AC constant voltage mode is used for micro-arc oxidation treatment. After the treatment, the micro-arc oxidation sample is rinsed with cold water , remove the residue on the surface, and air-dry at room temperature to obtain a micro-arc oxidation film on the surface of the aluminum-titanium composite plate.

[0040] The preparation o...

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Abstract

The invention discloses a method for preparing a micro-arc oxidation film of an aluminum titanium composite plate. According to the method, titanium serving as a base plate and aluminum serving as a composite plate are subjected to explosive welding to form the aluminum titanium composite plate, an aluminum titanium composite plate sample is polished step by step through abrasive paper until the surface is smooth, and the aluminum titanium composite plate sample is subjected to ultrasonic washing in ethyl alcohol or acetone and dried in air at the room temperature; the aluminum titanium composite plate sample is immersed in electrolyte to serve as an anode, a stainless steel electrolyte tank serves as a cathode, an alternating current constant voltage mode is adopted for carrying out micro-arc oxidation treatment, after treatment is finished, a micro-arc oxidation sample is flushed with cold water, residue on the surface is removed, the micro-arc oxidation sample is dried at the room temperature, and the micro-arc oxidation film on the surface of the aluminum titanium composite plate is obtained; and the electrolyte comprises inorganic salt and aluminum oxide particles. According to the method, by adding Al2O3 particles and optimizing electrolyte, the prepared micro-arc oxidation film of the aluminum titanium composite plate can improve the problems of poor thickness of a transition area of the micro-arc oxidation film on the surface and the weld joint of the aluminum titanium composite plate, corrosion resistance and heat impact resistance.

Description

technical field [0001] The invention relates to an alloy material processing method, in particular to a method for adding Al 2 o 3 A method for preparing a micro-arc oxidation film on an aluminum-titanium composite plate from particles. Background technique [0002] The aluminum / titanium composite plate prepared by explosive welding technology has both the high specific strength and low specific gravity of aluminum alloy and the excellent corrosion resistance and mechanical properties of titanium alloy. It has broad application prospects in pipeline systems, aerospace and other fields. For example, Chinese Patent Application No. 201611176536.4 discloses a layered high-strength lightweight titanium-aluminum composite plate and its preparation method. Since the combination of heterogeneous metals is prone to galvanic corrosion, etc., which greatly limits its further application, surface treatment is a necessary process before it enters application. [0003] Micro-arc oxidat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/06C25D11/26C25D15/00
CPCC25D11/026C25D11/06C25D11/26C25D15/00
Inventor 李伟洲凌奎吕小雨莫秋凤陈泉志杨海娟
Owner GUANGXI UNIV
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