Aluminum alloy material capable of being used for manufacturing cylinder cover and preparation method for aluminum alloy material

A technology of aluminum alloy materials and waste aluminum intermediate alloys, which is applied in the field of aluminum alloys, can solve the problems of low recycling rate of waste aluminum, achieve the effect of simple, scientific and easy operation of the melting process, increase strength and hardness, and improve stability

Inactive Publication Date: 2016-04-27
ANHUI QIANTONG EDUCATION MFG
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  • Abstract
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Problems solved by technology

However, the recycling rate of waste aluminum is often not high.

Method used

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  • Aluminum alloy material capable of being used for manufacturing cylinder cover and preparation method for aluminum alloy material

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Embodiment Construction

[0016] The present invention will be described in detail below through specific examples.

[0017] An aluminum alloy material that can be used to manufacture cylinder heads, which is composed of the following components in mass percentage: 45% of waste aluminum master alloy powder, 7% of silicon, 3% of glass fiber powder, 0.4% of zinc, 0.2% of magnesium, 0.06% of scandium, 0.01% of arsenic, and 0.05% of titanium , the balance is aluminum;

[0018] The waste aluminum master alloy powder is made of the following raw materials in parts by weight (kg): 60 waste aluminum scraps, 15 manganese, 10 copper, 6 chromium, 7 zirconium, 2 graphite powders, 1.5 sodium chloride, and 1 cryolite powder; The method is as follows: (1) Use a permanent magnet to suck out the iron products in the waste aluminum chips, then use an iron mesh sieve to remove the dust and sand, then use a detergent to remove the oil stains on the surface, and finally put it in an oven to dry the water and wait for it to...

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Abstract

The invention discloses an aluminum alloy material capable of being used for manufacturing a cylinder cover. The aluminum alloy material is characterized by consisting of the following components in percentage by mass: 45-50% of waste aluminum intermediate alloy powder, 7-7.5% of silicon, 3% of glass fiber powder, 0.4-0.45% of zinc, 0.2-0.25% of magnesium, 0.06-0.08% of scandium, 0.01-0.02% of arsenic, 0.05-0.07% of titanium and the balance of aluminum. According to the invention, by optimizing alloy components, adopting a scientific and reasonable thermal treatment process, and adding a rare earth element scandium, the aluminum alloy material has degassing effect; a smelting process is simple, scientific and easy to operate, complex operation equipment is not required, mechanical property, especially high-temperature mechanical property of the alloy can be improved, the stability of a strengthening phase can be improved, separation and growth of the strengthening phase can be prevented, and impact resistance of the alloy is improved. The product has high strength, light weight, good resilience force, and various qualified indexes, and is suitable for producing an engine cylinder cover.

Description

technical field [0001] The invention relates to the field of aluminum alloys, in particular to an aluminum alloy material that can be used to manufacture cylinder heads and a preparation method thereof. Background technique [0002] Cast aluminum alloy has a series of advantages such as small specific volume, high strength, good casting formability and processing performance, small expansion coefficient and good fluidity, and is widely used in automobiles, aviation, aerospace and home appliances and other industries. At present, most of the car engine cylinder blocks and cylinder heads at home and abroad have basically been produced with high-strength aluminum alloys. The all-aluminum alloy material reduces the weight of the body and at the same time enhances the heat dissipation effect of the engine, improves the working efficiency of the engine, and shortens the service life. longer. From the perspective of fuel saving, the advantages of cast aluminum engines in terms of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C1/06C22C1/10C22C21/02C22C47/08C22C49/06C22C49/14C22C101/06
CPCC22C1/03C22C1/026C22C1/06C22C1/1036C22C21/02C22C47/08C22C49/06C22C49/14
Inventor 张新南
Owner ANHUI QIANTONG EDUCATION MFG
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