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Aluminum alloy

A technology of aluminum alloy and impurities, applied in the field of aluminum alloy, can solve the problems of production waste, film rewinding, and high product rejection rate.

Inactive Publication Date: 2012-12-05
东莞市东兴铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the hardness of the plate is too high, it will be difficult to feed the knife
If the hardness of the plate is low, it is easy to produce the phenomenon of rewinding
Due to the hardness of the aluminu

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] An aluminum alloy, the aluminum alloy contains the following components according to mass percentage:

[0040] Silicon: 0.36~0.50%;

[0041] Magnesium: 0.39~0.45%;

[0042] Titanium: 0.01~0.02%;

[0043] The total amount of copper, zinc and manganese is less than or equal to 0.10%;

[0044] Iron content: less than or equal to 0.50%;

[0045] The balance is aluminum and unavoidable impurities, wherein the content of a single impurity is less than 0.05%, and the total of unavoidable impurities is less than or equal to 0.10%.

[0046] The aluminum alloy controls the content of magnesium element to be 0.39-0.45%, thereby controlling the hardening phase (Mg 2 Si phase) content, thereby stabilizing the hardness range of the aluminum alloy, the hardness of the obtained aluminum alloy is stable at 2Hw to 5Hw, which is suitable for preparing heat dissipation equipment by planing.

[0047] The finished product rate of the aluminum alloy of the invention is relatively high, a...

Embodiment 2

[0052] An aluminum alloy, the aluminum alloy contains the following components according to mass percentage:

[0053] Silicon: 0.40~0.45%;

[0054] Magnesium: 0.40~0.42%;

[0055] Titanium: 0.01~0.02%;

[0056] The total amount of copper, zinc and manganese is less than or equal to 0.10%;

[0057] Iron content: less than or equal to 0.50%;

[0058] The balance is aluminum and unavoidable impurities, wherein the content of a single impurity is less than 0.05%, and the total of unavoidable impurities is less than or equal to 0.10%.

[0059] The aluminum alloy controls the content of magnesium element to be 0.40-0.42%, thereby controlling the hardening phase (Mg 2 Si phase) content, thereby stabilizing the hardness range of the aluminum alloy, the hardness of the obtained aluminum alloy is stable at 2Hw to 5Hw, which is suitable for preparing heat dissipation equipment by planing.

[0060] The finished product rate of the aluminum alloy of the invention is relatively high, a...

Embodiment 3

[0065] An aluminum alloy, the aluminum alloy contains the following components according to mass percentage:

[0066] Silicon: 0.42%;

[0067] Magnesium: 0.41%;

[0068] Titanium: 0.015%;

[0069] The total amount of copper, zinc and manganese is less than or equal to 0.10%;

[0070] Iron content: less than or equal to 0.50%;

[0071] The balance is aluminum and unavoidable impurities, wherein the content of a single impurity is less than 0.05%, and the total of unavoidable impurities is less than or equal to 0.10%.

[0072] The aluminum alloy controls the content of magnesium element to 0.41%, thereby controlling the hardening phase (Mg 2 Si phase) content, thereby stabilizing the hardness range of the aluminum alloy, the hardness of the obtained aluminum alloy is stable at 2Hw to 5Hw, which is suitable for preparing heat dissipation equipment by planing.

[0073] The finished product rate of the aluminum alloy of the invention is relatively high, and the defective rate ...

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Abstract

The invention provides an aluminum alloy, which comprises following compositions by mass percentage: 0.36 to 0.50 percent of silicon, 0.39 to 0.45 percent of magnesium, 0.01 to 0.02 percent of titanium, less than or equal to 0.10 percent of the sum of copper, zinc and manganese, less than or equal to 0.50 percent of ferrum, and the rest percent of aluminum and inevitable impurities, wherein the content of a single impurity is less than 0.5 percent and the content of total inevitable impurities is less than or equal to 0.10 percent. The aluminum alloy provided by the invention has the advantages that the content of the magnesium element is controlled in the range of 0.39 percent to 0.45 percent, so that the content of hardening phases (Mg2Si phases) in the aluminum alloy is controlled and the hardness range of the aluminum alloy is stabilized in the range of 2Hw to 5Hw; and the aluminum alloy is suitable for preparing heat radiating equipment through a flaking processing manner.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to an aluminum alloy with proper hardness. Background technique [0002] Aluminum alloy raw materials are one of the most important raw materials in the modern processing industry, and the processing of many products is inseparable from various aluminum alloy raw materials. Different applications have different performance requirements for aluminum alloy materials. [0003] When the aluminum alloy sheet is used to make heat dissipation equipment, it is necessary to plan the aluminum alloy sheet to meet the needs. When planing, the hardness requirements of the aluminum alloy sheet are relatively strict. If the hardness of the plate is too high, it will be difficult to feed the knife. If the hardness of the plate is low, it is easy to produce the phenomenon of rewinding. Because the hardness of the aluminum alloy plate in the prior art does not meet the requirements, the scr...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C21/08
Inventor 何旭坤
Owner 东莞市东兴铝业有限公司
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