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Long induction period type aluminium alloy extruded band plate

A technology of aluminum alloy and extruded strip, which is applied in the field of special aluminum alloy strip and plate, can solve the problems of not being able to effectively provide qualified products, and achieve the effect of stable performance

Inactive Publication Date: 2009-06-17
NORTHEAST LIGHT ALLOY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aluminum alloy with long incubation period is a special material for aerospace connectors. However, because the original 500 heavy rolling mill has been in service for a long time, it cannot effectively provide enough qualified products. In order to ensure the normal development of the aerospace industry, this product is specially developed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The long incubation period aluminum alloy extruded strip plate is composed of: aluminum, the alloy contains 100 parts by weight of aluminum, 0.15 parts of copper, 0.05 parts of zinc, 0.01 part of titanium and 0.4 parts of silicon.

[0012] The impurity content is controlled, and the iron corresponding to every 100 parts by weight of aluminum is less than 0.5, and the manganese is 0.45-0.65.

[0013] In the method for making aluminum alloy extruded strips with long incubation period, each component is prepared according to the above proportions, then smelted at 715-730°C according to a conventional method, and at 0.5-1.0kg / cm 2 Melting and casting is carried out under pressure. During the process of melting and casting, measures such as filtration and degassing can be used to improve the quality of melting. The casting speed is 5.4-5.7 meters per hour, and then heated and extruded into strips.

Embodiment 2

[0015] The long incubation period aluminum alloy extruded strip plate is composed of aluminum, and the alloy contains 100 parts by weight of aluminum, 0.35 parts of copper, 0.25 parts of zinc, 0.04 parts of titanium and 0.4 parts of silicon.

[0016] The impurity content is controlled, and the iron corresponding to every 100 parts by weight of aluminum is less than 0.5, and the manganese is 0.45-0.65.

[0017] In the above-mentioned manufacturing method of aluminum alloy extruded strip plate with long incubation period, each component is prepared according to the above proportions, and then smelted according to a conventional method at 715-730° C., at 0.5-1.0 kg / cm 2 Melting and casting is carried out under pressure, the casting speed is 5.4-5.7 meters per hour, and then heated and extruded into strips.

Embodiment 3

[0019] The long incubation period aluminum alloy extruded strip plate is composed of: aluminum, the alloy contains 100 parts by weight of aluminum, 0.25 parts of copper, 0.15 parts of zinc, 0.025 parts of titanium and 0.4 parts of silicon.

[0020] The impurity content is controlled, and the iron corresponding to every 100 parts by weight of aluminum is less than 0.5, and the manganese is 0.45-0.65.

[0021] The above-mentioned manufacturing method of aluminum alloy melting and extruding strip plate with long incubation period, after mixing the components according to the above proportions, melting in a conventional method at 715-730°C, and smelting at 0.5-1.0kg / cm 2 Melting and casting is carried out under pressure, the casting speed is 5.4-5.7 meters per hour, and then heated and extruded into strips.

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PUM

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Abstract

The invention relates to a long incubation period aluminum alloy extruding board that includes long incubation period aluminum alloy extruding board. The constituent includes Al 100, Cu 0.15-0.35, Zn 0.05-0.25, Ti 0.01-0.04, and Si 0.4. The invention could be used as the band board of the plane connector.

Description

technical field [0001] The invention relates to a special aluminum alloy strip plate for an aerospace connector. Background technique [0002] Long incubation period aluminum alloy is a special material for aerospace connectors, but because the original 500 heavy rolling mill has been in service for a long time, it cannot effectively provide enough qualified products. In order to ensure the normal development of the aerospace industry, this product is specially developed. Contents of the invention [0003] The purpose of the present invention is to provide a new composition of aluminum alloy to meet the needs of the aerospace industry. [0004] Above-mentioned purpose realizes by following technical scheme: [0005] The long incubation period aluminum alloy is composed of 100 parts by weight of aluminum, 0.15-0.35 parts of copper, 0.05-0.25 parts of zinc, 0.01-0.04 parts of titanium and 0.4 parts of silicon; Iron corresponding to aluminum is less than 0.5 parts, manganes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C1/00C22F1/04
Inventor 郑祥健左宏卿潘哲孙伟张燕飞金龙兵
Owner NORTHEAST LIGHT ALLOY CO LTD
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