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Corrosion-resistant rare earth aluminum alloy and application thereof

A technology of aluminum alloy and rare earth, which is applied in the direction of metal material coating process, coating, fusion spraying, etc.

Inactive Publication Date: 2016-05-18
CHONGZHOU DILONG HAILONG BIOLOGICAL PRODS DEV INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, it is still blank in China to solve the production line for large-scale application of industrial hot-dip plating plates, pipes, and profiles. Although the project has been undertaken by Sinosteel, it is expected that there is still a lot of research work to be done on how to improve the Senjimi method. Adjusting ingredients, ultrasound, etc.)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] In 100Kg recovered cooked aluminum, add 0.5%~1% mixed rare earth, add when the amount is obviously greater than A00, because the gas impurities in cooked aluminum are much higher than the amount of A00, so the added amount is related to this. But it plays a very important role in optimizing the quality of aluminum. The corresponding products are made into standard corrosion tests (salt spray test and immersion test). It has fully reached the level of corrosion-resistant aluminum alloy. This test shows that we have achieved the preliminary purpose by adopting the comprehensive effect of rare earth alloy diversification and trace elements. To be further refined, there is still potential for development. It is characterized by aluminum and recycled aluminum. After rare earth refining, its performance exceeds that of the original corrosion-resistant aluminum alloy. The amount of rare earth added is higher than that of A00 raw materials. However, we use rare earth multi-el...

Embodiment 2

[0010] Supersonic technology is applied in the field of anti-corrosion, especially in rare earth materials. Although the United States has developed it in the early years, the industrial application of the United States is also lagging behind. my country has just successfully developed equipment and has not yet applied it to engineering. In fact, the foundation of supersonic technology The theory is to realize the patented material of micron-sized particles. It improves the bonding force of the sprayed coating, realizes the metallurgical bonding in engineering, and improves the density of the coating to 95%~98%, thereby substantially improving the corrosion resistance of the coating. To this end, Professor Wang of the Second Artillery Academy of China is invited to cooperate with the No. 1 internal spraying equipment for supersonic arc spraying, and plans to cooperate with him to develop special anti-corrosion equipment. If we want to apply it to engineering practice, we need to...

Embodiment 3

[0012] To use this patented material to make micron powder, it is necessary to use supersonic atomization technology under protective gas atmosphere and high-speed centrifugal crushing to reach the level of micron-level patented powder of 4~6 microns, which is used to make special coatings with a density of 98% and a void. Less than 2~4%. The prepared coating is suitable for simplified construction in a large area, convenient maintenance, engineering application in harsh environments, easy promotion, easy mastery, low cost and convenient application. The series of products form a special process, corresponding parameters, etc. We have done our own research and development in the supersonic atomization process of the special internal spray gun for supersonic arc spraying, as well as the improvement of corresponding equipment and protective atmosphere.

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Abstract

The invention creatively relates to a corrosion-resistant rare earth aluminum alloy and application thereof. Due to the application to the iron and steel industry, corrosion is world-class problem, national demands for engineering priority and quality first are needed to be met, and particularly, rare earth is applied a little in the world. According to the corrosion-resistant rare earth aluminum alloy, the application range of rare earth in the corrosion resistance field is widened, the service life of steel is prolonged and is 50 times as long as that of any other corrosion-resistant material, wealth is created for the society, and positive contribution is made for the nation.

Description

technical field [0001] This patent relates to a corrosion-resistant rare earth aluminum alloy, which is formed by adding a kind of LPC (lanthanum praseodymium cerium) and mixed rare earth and trace elements to form a trace alloy with diversified and excellent corrosion resistance. Compared with the traditional corrosion-resistant aluminum alloy, the performance is further improved. It should be pointed out that Sc in rare earth has a great influence on corrosion resistance, and the combination of Sc+Y+La has a significant effect. It should also be pointed out that the role of Li plays a major role in degassing and purification to improve corrosion resistance. At the same time, strengthening and toughening and reducing specific gravity are the preferred directions for materials. Background technique [0002] Due to the wide range of applications in the steel industry, corrosion is a world-class problem. We must meet the needs of the country, give priority to engineering, qu...

Claims

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Application Information

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IPC IPC(8): C22C21/00C23C4/06C23C4/131
CPCC22C21/00C23C4/06
Inventor 高如升陈启忠陈兆涛
Owner CHONGZHOU DILONG HAILONG BIOLOGICAL PRODS DEV INST
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