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Polishing solution for magnesium alloy

A technology of polishing liquid and magnesium alloy, which is applied in the field of polishing liquid, can solve the problems of excessive polishing chemical corrosion, poor surface quality, single variety, etc., and achieve the effect of reducing roughness and waviness, reducing corrosion pits, and reducing chemical corrosion

Inactive Publication Date: 2009-01-28
JIANGSU HAIXUN IND GROUP SHARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are problems with the polishing liquid for magnesium alloys. First, the variety is single. Second, the surface quality after polishing is poor, there are many scratches, and the polishing chemical corrosion is excessive, which cannot meet the needs of the development of magnesium alloys.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0015] The preparation method of a polishing liquid for magnesium alloys of the present invention comprises firstly mixing the required weight of abrasives into deionized water, and then adding the remaining components of the polishing liquid after mixing evenly, and then continuing to stir fully, and preparing the finished polishing liquid after mixing evenly .

[0016] A kind of polishing solution for magnesium alloy of the present invention, uses corundum with moderate grain size as abrasive material, has not only increased mechanical processing effect in polishing process, reduces corrosion pit caused by excessive chemical corrosion in polishing, makes the aluminum alloy surface roughness after polishing The degree and waviness are reduced, and the polishing rate can be greatly increased. In the present invention, the method of using a strong oxidizing agent combined with an organic acid can effectively reduce the chemical corrosion of the acid on the surface of the magnes...

Embodiment 1

[0019] Weigh 36 grams of 300nm corundum, 2 grams of chromium trioxide, 2 grams of nitric acid, 5 grams of oxalic acid and 55 grams of deionized water, set aside.

[0020] First, 36 grams of carborundum are evenly dissolved in 55 grams of deionized water, and after mixing evenly, 2 grams of chromium trioxide, 2 grams of nitric acid, and 5 grams of oxalic acid are added to continue fully stirring, and the finished polishing solution of the present invention is obtained after mixing evenly.

[0021] Experimental effect analysis: use the above polishing solution, dilute it with deionized water at 1:20, use a magnesium alloy grinding machine, polish the aluminum alloy disc for 3 minutes, rinse it with deionized water after polishing, and test it under a high-brightness spotlight Surface waviness and scratches, no obvious bending of reflected light on the surface, no obvious scratches on the surface; use a digital display spiral micrometer to test the surface flatness, the difference...

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PUM

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Abstract

The invention provides a polishing solution applied to the magnesium alloy. The polishing solution comprises an abrasive, a strong oxidant, a pH regulator and deionized water; the components are as follows by weight percentage: 10 percent to 40 percent of the abrasive I, 0.1 percent to 3 percent of the strong oxidant, 1 percent to 10 percent of the pH regulator and the balance is deionized water. The polishing solution can be used for polishing treatment of magnesium-alloy surface, effectively improve surface finish of the magnesium alloy, effectively reduce surface scratch after polishing, and reduce surface roughness after polishing; simultaneously, polishing debris is dissolved in the polishing solution, the magnesium-alloy surface is easy to be cleaned, the polishing speed is rapid, the polishing solution has no harm to equipment, and the usage security is high.

Description

technical field [0001] The invention relates to a polishing liquid, in particular to a polishing liquid for a magnesium alloy. Background technique [0002] Magnesium is the lightest metal with practical value that can be produced by humans and exists in the air for a long time. In recent years, the concepts of energy saving and environmental protection have become popular all over the world. Due to its light weight and other excellent properties, magnesium has been widely used in automobiles, aerospace, aviation, casting, chemical electronics, communications, instruments, machinery manufacturing, transportation, energy storage materials, and architectural decoration. , nodular cast iron, desulfurizer, Grignard reagent, fireworks, military flares and magnesium cathodic protection anti-corrosion material magnesium alloy and other industries are also developing rapidly. The main characteristics of aluminum-magnesium alloys: the die-cast parts are light and thin, with bright s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F3/03
Inventor 仲跻和
Owner JIANGSU HAIXUN IND GROUP SHARE
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