CN104651671A

CN104651671A - Aluminum alloy

Info

Publication number: CN104651671A
Application number: CN201410736829.8A
Authority: CN
Inventors: 高义根
Original assignee: SUIYANG COUNTY NAIHUAN ALUMINUM Co Ltd
Current assignee: SUIYANG COUNTY NAIHUAN ALUMINUM Co Ltd
Priority date: 2014-12-04
Filing date: 2014-12-04
Publication date: 2015-05-27

Abstract

The invention discloses an aluminum alloy, and belongs to the technical field of metal materials. The aluminum alloy comprises the following components in percent by weight: 1-2 percent of magnesium, 0.8-1.2 percent of silicon, 0.02-0.14 percent of Fe, 0.01-0.12 percent of bismuth, 0.03-0.23 percent of titanium, 0.5-1.2 percent of copper, 2.1-4.2 percent of manganese, 0.11-0.16 percent of calcium, less than 0.46 percent of other components, and the balance of aluminum. According to the aluminum alloy, the contents of magnesium and silicon are controlled to be 1.8-2.2 percent, so that the strength of the aluminum alloy can be increased, the crystal phase of the aluminum alloy can be refined, the precipitation is facilitated, and the tensile strength is improved; moreover, elements such as nickel, carbon, zinc, titanium, bismuth and the like are added into the aluminum alloy, so that the aluminum alloy has the advantages of high tensile strength, high hardness, high corrosion resistance, high abrasion resistance and the like.

Description

A kind of aluminium alloy

Technical field

The present invention relates to technical field of metal, specifically, relate to a kind of aluminium alloy.

Background technology

Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, and the density of fine aluminium is little, and be only 1/3 of iron, fusing point is low.Aluminium is face-centred cubic structure, has very high plasticity, and be easy to processing, can be made into various section bar, sheet material, corrosion resistance is good; But the intensity of fine aluminium is very low, structured material should not be made.By long-term production practice and scientific experiment, people are gradually to add alloying element and to use the methods such as thermal treatment to carry out reinforced aluminum, and this just obtains a series of aluminium alloy.The alloy adding the formation of certain element can also have higher intensity while the advantages such as maintenance fine aluminium light weight, become desirable structured material, be widely used in the aspects such as machinofacture, Transport Machinery, power machine and aircraft industry, the fuselage, covering, pneumatic plant etc. of aircraft are normal with aluminium alloy manufacture, to alleviate deadweight.Adopt aluminium alloy to replace the welding of steel plate materials, structural weight can alleviate more than 50%.But conventional aluminum alloy is Shortcomings part still, its main component is aluminium, magnesium and silicon, due to the restriction by materials microstructure, the material property processed is poor, in the course of processing, easily occur the defects such as fracture, wrinkle, fatigue, yield rate is lower, result in the waste of material.Meanwhile, production efficiency is lower, adds labour intensity, adds production cost.

Summary of the invention

In view of this, the object of this invention is to provide a kind of aluminium alloy, unreasonable with the component solving conventional aluminum alloy, cause the material property that processes poor, in the course of processing, easily occur the defects such as fracture, wrinkle, fatigue and the deficiency existed.

The present invention solves the problems of the technologies described above by the following technical programs:

A kind of aluminium alloy, component containing following weight percent: magnesium 1-2%, silicon 0.8-1.2%, iron 0.02-0.14%, bismuth 0.01-0.12%, titanium 0.03-0.23%, copper 0.5-1.2%, manganese 2.1-4.2%, calcium 0.11-0.16%, other components less than 0.46%, all the other are aluminium.

Preferably, described aluminium alloy contains the component of following weight percent: magnesium 1.2-1.8%, silicon 0.9-1.1%, iron 0.06-0.11%, bismuth 0.04-0.1%, titanium 0.05-0.2%, copper 0.8-1%, manganese 2.4-3%, calcium 0.13-0.15%, other components less than 0.35%, all the other are aluminium.

More preferably, described aluminium alloy contains the component of following weight percent: magnesium 1.5%, silicon 1%, iron 0.08%, bismuth 0.07%, titanium 0.15%, copper 0.9%, manganese 2.7%, calcium 0.14%, other components less than 0.3%, all the other are aluminium.

Other components described comprise carbon, zinc, phosphorus and nickel.

The mass ratio of described carbon, zinc, phosphorus and nickel is 2-4:6-9:1-2:2-3.

Further, the mass ratio of described carbon, zinc, phosphorus and nickel is 3:8:1.5:2.5.

Beneficial effect of the present invention is: in traditional aluminium alloy, the content of magnesium and silicon is less than 1.6%, the present invention is by controlling at 1.8-2.2% by the content of magnesium and silicon, not only can increase the intensity of alloy, the crystalline phase of all right refining aluminum alloy, is conducive to precipitation, improve tensile strength, and in aluminium alloy, add the elements such as nickel, carbon, zinc, titanium, bismuth, not only can promote the tensile strength of aluminium alloy, and heavy alloyed erosion resistance and wear resisting property can be carried.This aluminium alloy has that tensile strength is high, hardness is high, erosion resistance is strong and the advantage such as wear resisting property is good.

Embodiment

Conveniently those skilled in the art will recognize that the present invention will be further described below in conjunction with embodiment.Embodiment is only illustrating this invention, is not limitation of the invention, and the step not doing in embodiment to illustrate is all prior arts, is not described in detail at this.

Embodiment one

A kind of aluminium alloy, the component containing following weight percent: magnesium 1%, silicon 0.8%, iron 0.02%, bismuth 0.01%, titanium 0.03%, copper 0.5%, manganese 2.1%, calcium 0.11%, carbon 0.06%, zinc 0.18%, phosphorus 0.03%, nickel 0.06% and aluminium 95.1%.

Embodiment two

A kind of aluminium alloy, the component containing following weight percent: magnesium 2%, silicon 1.2%, iron 0.14%, bismuth 0.12%, titanium 0.23%, copper 1.2%, manganese 4.2%, calcium 0.16%, carbon 0.05%, zinc 0.2%, phosphorus 0.04%, nickel 0.05% and aluminium 90.41%.

Embodiment three

A kind of aluminium alloy, the component containing following weight percent: magnesium 1.2%, silicon 0.9%, iron 0.06%, bismuth 0.04%, titanium 0.05%, copper 0.8%, manganese 2.4%, calcium 0.13%, carbon 0.06%, zinc 0.18%, phosphorus 0.03%, nickel 0.06% and aluminium 94.09%.

Embodiment four

A kind of aluminium alloy, the component containing following weight percent: magnesium 1.8%, silicon 1.1%, iron 0.11%, bismuth 0.1%, titanium 0.2%, copper 1%, manganese 3%, calcium 0.15%, carbon 0.05%, zinc 0.2%, phosphorus 0.04%, nickel 0.05% and aluminium 92.33%.

Embodiment five

A kind of aluminium alloy, the component containing following weight percent: magnesium 1.5%, silicon 1%, iron 0.08%, bismuth 0.07%, titanium 0.15%, copper 0.9%, manganese 2.7%, calcium 0.14%, carbon 0.04%, zinc 0.17%, phosphorus 0.03%, nickel 0.03% and aluminium 93.19%.

Claims

1. an aluminium alloy, it is characterized in that, component containing following weight percent: magnesium 1-2%, silicon 0.8-1.2%, iron 0.02-0.14%, bismuth 0.01-0.12%, titanium 0.03-0.23%, copper 0.5-1.2%, manganese 2.1-4.2%, calcium 0.11-0.16%, other components less than 0.46%, all the other are aluminium.

2. aluminium alloy as claimed in claim 1, it is characterized in that, described aluminium alloy contains the component of following weight percent: magnesium 1.2-1.8%, silicon 0.9-1.1%, iron 0.06-0.11%, bismuth 0.04-0.1%, titanium 0.05-0.2%, copper 0.8-1%, manganese 2.4-3%, calcium 0.13-0.15%, other components less than 0.35%, all the other are aluminium.

3. aluminium alloy as claimed in claim 1, it is characterized in that, described aluminium alloy contains the component of following weight percent: magnesium 1.5%, silicon 1%, iron 0.08%, bismuth 0.07%, titanium 0.15%, copper 0.9%, manganese 2.7%, calcium 0.14%, other components less than 0.3%, all the other are aluminium.

4. the aluminium alloy as described in claim 1-3 any one, is characterized in that, other components described comprise carbon, zinc, phosphorus and nickel.

5. aluminium alloy as claimed in claim 4, it is characterized in that, the mass ratio of described carbon, zinc, phosphorus and nickel is 2-4:6-9:1-2:2-3.

6. the aluminium alloy as described in claim 4 or 5, is characterized in that, the mass ratio of described carbon, zinc, phosphorus and nickel is 3:8:1.5:2.5.