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Aluminum alloy for compression casting and casting of aluminum alloy

A technology of aluminum alloy castings and pressure casting, which is applied in the field of aluminum alloys for pressure casting and the castings of the aluminum alloys, can solve the problems of poor electrical conductivity and difficulty in meeting the needs of use, and achieve the purpose of inhibiting grain growth and uniform fine grains. Granular tissue, the effect of improving fluidity

Inactive Publication Date: 2014-04-16
东莞市闻誉实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The casting aluminum alloys provided by CN 102301021A and CN 101248200A have good yield strength and elongation, but poor electrical conductivity, which makes it difficult to meet the requirements for materials with high requirements on yield strength, elongation, and electrical conductivity

Method used

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  • Aluminum alloy for compression casting and casting of aluminum alloy

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Comparison scheme
Effect test

Embodiment 1

[0034] Si: 5.5% by weight, Mg: 0.3% by weight, Cu: 0.05% by weight, Fe: 0.2% by weight, Mn: 0.2% by weight, Ti: 0.3% by weight, Cr: 0.1% by weight, V: 0.3% by weight, balance Contains Al and unavoidable impurities. The aluminum alloy ingot is prepared according to the preparation method provided by the invention.

Embodiment 2

[0036] Si: 11.0 wt%, Mg: 0.7 wt%, Cu: 0.3 wt%, Fe: 0.1 wt%, Mn: 0.5 wt%, Ti: 0.05 wt%, Cr: 0.05 wt%, V: 0.05 wt%, Sr: 0.01% by weight, and the balance contains Al and unavoidable impurities. The aluminum alloy ingot is prepared according to the preparation method provided by the invention.

Embodiment 3

[0038] Si: 9.0% by weight, Mg: 0.6% by weight, Cu: 0.2% by weight, Fe: 0.1% by weight, Mn: 0.4% by weight, Ti: 0.1% by weight, Cr: 0.05% by weight, V: 0.05% by weight, Sr: 0.1% by weight, Sb: 0.050% by weight, and the balance contains Al and unavoidable impurities. The aluminum alloy ingot is prepared according to the preparation method provided by the invention.

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Abstract

The invention provides aluminum alloy for compression casting and a high-toughness aluminum alloy casting formed of the alloy through compression casting. The aluminum alloy has the advantages of superior yield strength and extensibility, low probability of sintering and superior thermal conductivity. The aluminum alloy is characterized by comprising the following components in percentage by weight: 5.5-11.0 percent of Si, 0.3-0.7 percent of Mg, 0.05-0.3 percent of Cu, 0.2-0.8 percent of Fe, 0.2-0.5 percent of Mn, 0.05-0.3 percent of Ti, 0.05-0.1 percent of Cr, 0.05-0.3 percent of V and the balance of Al and inevitable impurities. The aluminum alloy for compression casting and the casting of the aluminum alloy provided by the invention have the advantages of high yield strength and extensibility, superior thermal conductivity and low probability of sintering.

Description

technical field [0001] The present invention relates to an aluminum alloy for pressure casting and a casting of the aluminum alloy, in particular to an aluminum alloy for pressure casting with high yield strength and elongation and excellent thermal conductivity and a casting of the aluminum alloy. Background technique [0002] Aluminum alloy is a general term for alloys based on aluminum. The main alloying elements are copper, silicon, magnesium, zinc, manganese, and the secondary alloying elements are nickel, iron, titanium, chromium, lithium, etc. Aluminum alloy is the most widely used non-ferrous metal structural material in the industry. It is light in weight and has many characteristics such as excellent thermal conductivity and high corrosion resistance. It is widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries. has been widely applied. [0003] According to the processing method, aluminum alloy can be divide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02
Inventor 叶伟炳
Owner 东莞市闻誉实业有限公司
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