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High-alumina magnesium alloy

A magnesium alloy and high-alumina technology, applied in the field of high-alumina-magnesium alloys, can solve the problems that the fluidity of alloys cannot be fully satisfied, and achieve the effects of improving fluidity, casting performance, and fluidity

Inactive Publication Date: 2008-07-16
南京云天镁业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fluidity of its alloys cannot fully meet the requirements for the production of 3C parts with lighter structures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Put 1063.2kg of magnesium ingots, 126.0kg of aluminum ingots, and 10.8kg of zinc ingots into the prepared clean crucible, add 18kg of RJ-2 bottom flux to melt, and sprinkle 6.0kg of RJ-4 covering agent to prevent burning during the process. Control it within 4 hours, and control the final temperature of the magnesium liquid at 670°C; after the melting is completed, blow air into the magnesium liquid, and use mechanical stirring, and add 18kg of RJ-6 refining agent and 11.0kg of manganese chloride for refining at the same time, and the time is controlled at 25min, the temperature is controlled at 680°C; continue to blow air into the magnesium liquid, and use mechanical stirring, and add 30kg of RJ-6 refining agent to refine again, and the last 5min to extract slag, the time is controlled at 45min, and the temperature is controlled at 730°C; after the end Let the flux and inclusions settle. The whole process is controlled at 60 minutes, and the final temperature is control...

Embodiment 2

[0023] Put 1059.6kg of magnesium ingots, 130.8kg of aluminum ingots, and 8.40kg of zinc ingots into the prepared clean crucible, add 24kg of RJ-2 base flux to melt, and sprinkle 4.8kg of RJ-5 covering agent to prevent burning during the process. Control at 5h, and the final temperature of magnesium liquid is controlled at 680°C; after melting, blow air into the magnesium liquid, and use mechanical stirring, and add 24kg of RJ-5 refining agent and 8.30kg of manganese chloride for refining at the same time, the time is controlled at 30min, the temperature is controlled at 710°C; continue to blow air into the magnesium liquid, and use mechanical stirring, and at the same time add 24kg of RJ-5 refining agent to refine again, and extract the slag for the last 5min, the time is controlled at 50min, and the temperature is controlled at 740°C; after the end Let the flux and inclusions settle. The whole process is controlled at 60 minutes, and the final temperature is controlled at 655°...

Embodiment 3

[0026] Put 1056.6kg of magnesium ingots, 136.2kg of aluminum ingots, and 5.40kg of zinc ingots into the prepared clean crucible, add 30kg of RJ-2 base flux to melt, and sprinkle 3.6kg of RJ-6 covering agent to prevent burning during the process. Controlled at 6h, and the final temperature of the magnesium liquid is controlled at 690°C; after the melting is completed, blow air into the magnesium liquid, and use mechanical stirring, and add 30kg of RJ-4 refining agent and 4.70kg of manganese chloride for refining at the same time, and the time is controlled at 35min, the temperature is controlled at 740°C; continue to blow air into the magnesium liquid, and use mechanical stirring, and at the same time add 18kg of RJ-4 refining agent to refine again, and the last 5min to extract the slag, the time is controlled at 55min, and the temperature is controlled at 750°C; after the end Let the flux and inclusions settle. The whole process is controlled at 60 minutes, and the final temper...

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PUM

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Abstract

The invention relates to a high aluminum-magnesium alloy and the weight percentages of the components are as follows: 10.5 to 11.5 percent of Al, 0.17 to 0.40 percent of Mn, 0.45 to 0.90 percent of Zn, less than or equal to 0.08 percent of Si, less than or equal to 0.004 percent of Fe, less than or equal to 0.025 percent of Cu, less than or equal to 0.001 percent of Ni, 0 to 0.0015 percent of Be and the allowance is Mg. Compared with the existing AZ91D magnesium alloy, the high aluminum-magnesium alloy has the advantages of improving the fluidity and at the same time decreasing the melting points of the alloy and then relatively reducing the cost.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloy production, in particular to a high-aluminum magnesium alloy. Background technique [0002] At present, with the development of science and technology and the development of the use of magnesium alloy, its application is becoming more and more extensive. The main reason is that magnesium alloy has excellent thin-wall casting performance, and maintains a certain strength, rigidity and impact resistance. At the same time, magnesium alloy has strong electromagnetic shielding ability and good heat dissipation, creating a new era for ultra-thin, ultra-light and miniaturized products. Favorable conditions. Among them, the parts produced with magnesium alloy AZ91D alloy grain series products as raw materials have bright surface and light weight. However, the fluidity of its alloys cannot fully satisfy the production of 3C parts with lighter structures. Contents of the invention [0003] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C1/02
Inventor 徐正祥徐孝军崔荣彬
Owner 南京云天镁业有限公司
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