Magnesium alloy micro-arc oxidation electrolyte

A micro-arc oxidation and electrolyte technology, applied in anodizing, electrolytic coatings, surface reaction electrolytic coatings, etc., can solve problems such as small workpieces and complex workpieces, enhance corrosion resistance and uniformity, and reduce arc starting voltage. Effect

Inactive Publication Date: 2017-10-24
HEBEI TAIHANG MACHINERY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an electrolyte that meets the requirements of the magnesium alloy micro-arc oxidation machine, reduces the arc starting voltage, and solves the surface treatment problems of complex workpieces, small workpieces, and workpieces that need to be repaired

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A magnesium alloy micro-arc oxidation electrolyte, its material ratio is: sodium hydroxide 5g / L, sodium perborate 20g / L, potassium fluoride 4g / L, additive ZX-1 10g / L, and the remaining components are water. Among them, the composition of additive ZX-1 is: glycerol 0.5g / L, triethanolamine 1.0g / L, sodium perborate 1g / L, and the remaining components are water.

Embodiment 2

[0019] A magnesium alloy micro-arc oxidation electrolyte, its material ratio is: sodium hydroxide 15g / L, sodium perborate 3g / L, potassium fluoride 15g / L, additive ZX-1 2g / L, and the remaining components are water. Among them, the composition of additive ZX-1 is: glycerol 1.5g / L, triethanolamine 0.5g / L, sodium perborate 2g / L, and the remaining components are water.

Embodiment 3

[0021] A magnesium alloy micro-arc oxidation electrolyte, its material ratio is: sodium hydroxide 9g / L, sodium perborate 10g / L, potassium fluoride 10g / L, additive ZX-1 3g / L, and the remaining components are water. Among them, the composition of additive ZX-1 is: glycerol 1g / L, triethanolamine 0.8g / L, sodium perborate 1.5g / L, and the remaining components are water.

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PUM

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Abstract

The invention belongs to the technical field of metal surface treatment, and particularly relates to a magnesium alloy micro-arc oxidation electrolyte. The magnesium alloy micro-arc oxidation electrolyte comprises materials including 5-15 g / L of sodium hydroxide, 3-20 g / L of sodium perborate, 4-15 g / L of potassium fluoride, 2-10 g / L of an additive ZX-1. The electrolyte meets the use requirements of magnesium alloy micro-arc oxidation, reduces the arcing voltage and solves the problems of surface treatment of complex workpieces, small workpieces and workpieces needing to be repaired. By means of addition of the additive ZX-1, the arcing voltage can be remarkably reduced, the voltage is controlled within a safe voltage range, meanwhile, the lower the arcing voltage, the thicker a micro-arc film layer is within the same time, and the corrosion resistance and the uniformity of a micro-arc oxidation film are enhanced.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, in particular to a magnesium alloy micro-arc oxidation electrolyte. Background technique [0002] Due to its good corrosion resistance, wear resistance and in-situ growth, micro-arc oxidation of magnesium alloys has increasingly become the preferred process for high-end corrosion protection of magnesium alloys, especially for products with high precision requirements for workpieces. Micro-arc oxidation is due to its In-situ growth characteristics, will not affect the accuracy of the workpiece. more and more popular. [0003] With the gradual application of micro-arc oxidation technology, the workpieces to be processed have changed from relatively simple structures to complex structures, and from large-area workpieces to small workpieces. [0004] At present, a magnesium alloy micro-arc oxidation machine solves the problem of surface oxidation treatment of complex workpieces, sma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/30
CPCC25D11/026C25D11/30
Inventor 何俊峰赵李斌赵韩欣崔凯任海猛刘建功
Owner HEBEI TAIHANG MACHINERY IND
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