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What Are Aluminum Alloy Materials?

Views: 18526     Author: CREATEKING     Publish Time: 2024-03-08      Origin: Site

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What Are Aluminum Alloy Materials?

Table of contents

1. What are aluminum alloy materials?

2. What alloy elements do aluminum alloy materials mainly contain?

      2.1 Copper

      2.2 Zinc

      2.3 Manganese

      2.4 Silicon

      2.5 Magnesium

      2.6 Tin

      2.7 etc.

3. What is the difference between aluminum alloy and pure aluminum?

      3.1 Different aluminum contents

      3.2 Different performance

      3.3 Different application scopes

      3.4 Prices vary

4. What are the advantages of aluminum alloy?

      4.1 Corrosion resistance

      4.2 High strength

      4.3 Lightweight

      4.4 Has good processing performance

      4.5 Good sealing performance

      4.6 Recyclable

      4.7 Excellent thermal conductivity

      4.8 Low density

      4.9 Strong plasticity

      4.10 Excellent weather resistance

      4.11 Fire and moisture-proof

      4.12 Excellent electrical conductivity

      4.13 Non-toxic

5. Classification of aluminum alloys

6. Identify aluminum alloys

7. Preparation method of aluminum alloy

      7.1 Melting method

      7.2 Powder metallurgy

8. Various properties of aluminum alloy materials

      8.1 Physical properties of aluminum alloys

      8.2 Chemical properties of aluminum alloys

      8.3 Aluminum alloy processing properties

9. What are the applications of aluminum alloys?

      9.1 Automobile industry

      9.2 Aerospace

      9.3 Electronics industry

      9.4 Medical devices

      9.5 Construction sector

10. Conclusion


1. What are aluminum alloy materials?

Aluminum alloy is an aluminum-based material made by adding a certain amount of other alloying elements. This type of alloying element usually refers to copper, silicon, magnesium, zinc, manganese, etc. Aluminum alloys are lightweight metal materials with basic properties similar to aluminum but also properties brought by added elements.


Therefore, aluminum alloys have excellent properties. For example, high strength, high pressure bearing capacity, excellent plasticity, excellent electrical and thermal properties, excellent corrosion resistance, etc.


Aluminum alloys are widely used in many industries because of the above excellent properties, including but limited to aerospace, transportation, construction industry, mechanical and electrical products, light industrial products, and daily necessities.

01


2. What alloy elements do aluminum alloy materials mainly contain?

2.1 Copper

2.2 Zinc

2.3 Manganese

2.4 Silicon

2.5 magnesium

2.6 Tin

2.7 etc.


3. What is the difference between aluminum alloy and pure aluminum?

The difference between aluminum alloy and pure aluminum is mainly reflected in the following aspects:


3.1 Different aluminum contents

Aluminum alloys are an alloy metal material. They mainly use aluminum as the main material but contain other metal components. The purity of aluminum alloys is not high. However the purity of pure aluminum is 99.7%, and they contain almost no other impurities.


3.2 Different performance

Aluminum alloy has strong toughness and is not easily deformed, but its corrosion resistance is relatively poor. In contrast, pure aluminum has extremely strong corrosion resistance and high purity, so its toughness is relatively poor and it is easy to deform.


3.3 Different application scopes

Aluminum alloys are currently widely used in many industries. For example, the aerospace industry, chemical industry, marine industry, automotive industry, etc.


The application range of pure aluminum materials is relatively narrow.


3.4 Prices vary

The price of aluminum alloy is relatively high, while the price of pure aluminum is relatively low.

02


4. What are the advantages of aluminum alloy?

4.1 Corrosion resistance

Aluminum alloy has good corrosion resistance. When aluminum alloys come into contact with air, a dense oxide film will form on the surface. This oxide film can resist corrosion and play a protective role, so its corrosion resistance is relatively excellent.


4.2 High strength

The tensile strength of pure aluminum is one-fifth that of mild steel. However, after aluminum alloys are strengthened by heat treatment and alloying, their strength is greatly increased.


4.3 Lightweight

Lightweight and easy to transport


4.4 Has good processing performance

Aluminum alloys have excellent machinability properties. Whether it is extrusion, secondary processing, or bending processing, it is relatively easy.


4.5 Good sealing performance

Aluminum alloy has good sealing performance and high processing accuracy.


4.6 Recyclable

Aluminum alloy materials can be recycled and are beneficial to environmental protection.


4.7 Excellent thermal conductivity

4.8 Low density

4.9 Strong plasticity

Aluminum alloy materials can be made into various complex profiles through the extrusion process.


4.10 Excellent weather resistance

Aluminum alloy materials are not easily affected by air pollution and can maintain their inherent color and luster for a long time.


4.11 Fire and moisture-proof

4.12 Excellent electrical conductivity

4.13 Non-toxic


03


5. Classification of aluminum alloys

Aluminum alloys can be divided into two major categories if distinguished by processing methods. The first type is deformed aluminum alloy, and the second type is cast aluminum alloy. These two types of materials are further divided into heat-treatable and non-heat-treatable materials.


First of all, the grade of deformed aluminum alloy is represented by a four-digit number, which includes the proportion of alloy components. The 4-digit number after the dash represents the type of heat treatment, such as "6061-T6".


Secondly, cast aluminum alloys use a 4 to 5-digit number with a decimal point. The numbers in the hundreds of digits represent alloy elements, and the decimal point is used to identify whether it is a casting or an aluminum ingot.

04


6. Identify aluminum alloys

a. 1000 Series (Pure)

b. 2000 Series (Copper)

c. 3000 Series (Manganese)

d. 4000 Series (Silicon)

e. 5000 Series (Magnesium)

f. 6000 Series (Magnesium and Silicon)

g. 7000 Series (Zinc)

h. 8000 Series Mix

05


7. Preparation method of aluminum alloy

7.1 Melting method

a. Electrolysis method

b. Melting eutectic method


7.2 Powder metallurgy


a. Powder metallurgy molding process

b. Powder metallurgy sintering process


8. Various properties of aluminum alloy materials

8.1 Physical properties of aluminum alloys

a. Density

b. Elastic modulus

c. Thermal expansion coefficient

d. Thermal conductivity

e. Conductivity

06



8.2 Chemical properties of aluminum alloys

a. Tensile strength

b. Yield strength

c. Elongation

d. Hardness

e. Impact toughness

07


8.3 Aluminum alloy processing properties

8.3.1 Plasticity

a. Cold working

b. Thermal processing


8.3.2 Cutting performance


8.3.3 Welding performance

a. Fusion welding

b. Pressure welding

c. Friction stir welding

08


9. What are the applications of aluminum alloys?

9.1 Automobile industry

Body structure, engine parts, braking system, wheel hubs and rims, etc.


9.2 Aerospace

Aircraft structures, aerospace components, engine components, etc.


9.3 Electronics industry

Electronic enclosures, heat dissipation devices, etc.


9.4 Medical devices

Surgical instruments, medical equipment casings, etc.


9.5 Construction sector

Aluminum alloy doors and windows, aluminum alloy closing strips, aluminum alloy skirting boards, aluminum alloy curtain walls, aluminum alloy anti-theft nets, etc.

09


10. Conclusion

Aluminum alloy materials have excellent physical properties and chemical properties. They are widely used in construction, automobiles, aerospace, electronics, and other fields. With the continuous development and innovation of alloying of aluminum alloy materials, manufacturing processes, and surface treatment technologies, this will further expand its applications in various fields.





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