A high-strength magnesium-aluminum alloy

A magnesium-aluminum alloy, high-strength technology, applied in the field of magnesium-aluminum alloy, can solve problems such as insufficient fusion of alloy raw materials, easy wear of magnesium-aluminum alloy, and increased production costs, so as to improve melting efficiency, increase contact surface, and increase production rate Effect

Active Publication Date: 2018-12-28
广西庆达汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The production cost of magnesium-aluminum alloys currently on the market is relatively high, and the degree of fusion of the various alloy raw materials is not enough, which affects the subsequent mechanical properties of magnesium-aluminum alloys, especially the strength properties, resulting in easy wear and tear of magnesium-aluminum alloys, which further increases the production cost of products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Preliminary preparation:

[0022] The preparation of the assembly of rare earth compound and calcium silicate: After mixing 100g of lanthanide rare earth metal compound and 150g of absolute ethanol, put it in the reactor, adjust the pH value of the reaction solution to 7.8 with a mass fraction of 10% ammonia solution At the same time, under the conditions of temperature at 35°C, far-infrared radiation power of 300w and ultrasonic power of 1500w, 50 parts of calcium silicate powder were added three times, stirred for 2 hours, and finally centrifuged at a speed of 1000r / min. After washing and drying the white product, an assembly of rare earth compounds and calcium silicate is obtained.

[0023] After calculation, the yield of rare earth compound and calcium silicate assembly is 45.8%.

[0024] The substances prepared above are used in the preparation of the following high-strength magnesium-aluminum alloys.

[0025] 2. A preparation of high-strength magnesium-alumin...

Embodiment 2

[0029] 1. Preliminary preparation:

[0030] The preparation of the assembly of rare earth compound and calcium silicate: after mixing 100g of lanthanide rare earth metal compound and 165g of absolute ethanol, put it in the reactor, adjust the pH value of the reaction solution to 7.9 with a mass fraction of 13% ammonia solution At the same time, under the conditions of temperature of 40°C, far-infrared radiation power of 350w and ultrasonic power of 2000w, 50 parts of calcium silicate powder were added in three times, stirred for 2.5 hours, and finally centrifuged at a speed of 1400r / min , after washing and drying the white product, an assembly of rare earth compounds and calcium silicate is obtained.

[0031] After calculation, the yield of rare earth compound and calcium silicate assembly is 46.3%.

[0032] The substances prepared above are used in the preparation of the following high-strength magnesium-aluminum alloys.

[0033] 2. A preparation of high-strength magnesium-...

Embodiment 3

[0037] 1. Preliminary preparation:

[0038] The preparation of the assembly of rare earth compound and calcium silicate: After mixing 100g of lanthanide rare earth metal compound and 170g of absolute ethanol, put it into the reactor, adjust the pH value of the reaction solution to 8 with a mass fraction of 14% ammonia solution At the same time, under the conditions of temperature of 42°C, far-infrared radiation power of 400w and ultrasonic power of 2200w, 50 parts of calcium silicate powder were added three times, stirred for 3 hours, and finally centrifuged at a speed of 1300r / min. After washing and drying the white product, an assembly of rare earth compounds and calcium silicate is obtained.

[0039] After calculation, the yield of rare earth compound and calcium silicate assembly is 47.2%.

[0040] The substances prepared above are used in the preparation of the following high-strength magnesium-aluminum alloys.

[0041] 2. A preparation of high-strength magnesium-alumin...

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Abstract

The invention belongs to the field of magnesium-aluminum alloys, and particularly relates to a high-strength magnesium-aluminum alloy, which comprises the following raw materials by weight percentage: 6.0-9.7% of aluminum powder, 0.40-0.95% of zinc powder, 0.12-0.45% of manganese powder, copper Powder 0.03~0.05%, silicon powder 0.02~0.06%, iron powder 0.005~0.008%, nickel powder 0.001~0.004%, beryllium powder 0.001~0.003%, rare earth compound and calcium silicate assembly 0.001~0.003%, the rest is magnesium powder. The high-strength magnesium-aluminum alloy prepared by the invention has high strength and low price, and has wide market promotion value.

Description

【Technical field】 [0001] The invention relates to the field of magnesium-aluminum alloys, in particular to a high-strength magnesium-aluminum alloy. 【Background technique】 [0002] Magnesium alloy is an alloy composed of magnesium and other elements. Its characteristics are: low density, high specific strength, large specific elastic modulus, good heat dissipation, good shock absorption, greater impact load capacity than aluminum alloy, and resistance to organic matter and Alkali corrosion performance is good. The main alloying elements of magnesium alloys are aluminum, zinc, manganese, cerium, thorium, and a small amount of zirconium or cadmium. At present, the most widely used is magnesium-aluminum alloy, which is mainly used in aviation, aerospace, transportation, chemical industry, rocket and other industrial sectors. It is the lightest metal among practical metals. The specific gravity of magnesium is about 2 / 3 of that of aluminum, which is iron. 1 / 4. It is the light...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/02C22C32/00C22C1/10
CPCC22C1/1036C22C23/02C22C32/0089C22C1/1073
Inventor 冯学明
Owner 广西庆达汽车零部件有限公司
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