Alloy material and production process thereof

A technology of alloy material and production process, which is applied in the field of alloy material and its production process, can solve the problems of high strength and high production cost, and achieve the effects of high hardness, high production efficiency, excellent mechanical properties and mechanical properties

Inactive Publication Date: 2019-08-02
CHANGSHU SYNERGY AUTOMOBILE PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] 6061-T6 is called aviation duralumin, light, high strength, high production cost

Method used

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  • Alloy material and production process thereof

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Embodiment Construction

[0022] The present invention will be further explained below.

[0023] An alloy material including the following components by weight,

[0024] Si, 0.8-1.2%;

[0025] Fe,0- 0.5%;

[0026] Cu, 0.15-0.6%;

[0027] Mn, 0.2-0.8%;

[0028] Mg, 0.6-0.1%;

[0029] Cr, 0-0.1%;

[0030] Zn, 0-0.25%;

[0031] Ti, 0-0.1%; the balance is AL.

[0032] Preferably, the Si content is 1.11%.

[0033] Preferably, the Mn content is 0.69%.

[0034] Compared with the 6061-T6 in the prior art, the alloy material of this scheme has higher Si and Mn content, and has better tensile strength and yield strength. For products made in different sizes, the specific comparison parameters are as follows:

[0035]

[0036] It can be seen from the above table that the alloy material provided by the present invention has a very large improvement in tensile strength and yield strength compared to 6061-T6.

[0037] An alloy material production process, including the following steps:

[0038] (1) Weigh the raw materials of each comp...

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Abstract

The invention discloses an alloy material and a production process thereof. According to the technical scheme, the alloy material comprises the following components including, by weight, 0.8-1.2% of Si, 0-0.5% of Fe, 0.15-0.6% of Cu, 0.2-0.8% of Mn, 0.6-0.1% of Mg, 0-0.1% of Cr, 0-0.25% of Zn, 0-0.1% of Ti and the balance Al, wherein the content of Si is 1.11%, and the content of Mn is 0.69%. Theproduction process of the alloy material comprises the following steps that (1) the components of raw materials are weighed according to mass percentages; (2) the raw materials are placed into a smelting furnace and smelted into alloy liquid, the alloy liquid temperature is made to reach 705-750 DEG C, and heat preservation is performed for 45-60 min; (3) the alloy liquid temperature is decreasedto 520-580 DEG C, a refining agent is added, the temperature is increased to 670-710 DEG C, and component testing is performed; and (4) the alloy liquid is subjected to standing and is cooled to 650-660 DEG C, mould filling is performed, and the alloy liquid is cooled into bars. According to the scheme provided by the invention, the tensile strength and the yield strength are high.

Description

Technical field [0001] The invention relates to the technical field of alloy materials, in particular to an alloy material and its production process. Background technique [0002] 6061-T6 is called aviation duralumin, which is light, high in strength and high in production cost. It is the abbreviation of T6 hardening treatment of 6061 aviation aluminum alloy. It has good formability, weldability, machinability, and medium strength. It can still maintain good operability after annealing. Typical applications are aviation fixtures, trucks, tower buildings, ships, pipelines and other building applications that require strength, weldability and corrosion resistance. How to improve its tensile strength and yield strength to increase its application range is exactly the problem that the inventor has to solve. Summary of the invention [0003] In view of the shortcomings of the prior art, the main purpose of the present invention is to provide an alloy material with high tensile stren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/02C22C1/06
CPCC22C21/02C22C1/026C22C1/06C22F1/043
Inventor 桑原康宏吴志刚
Owner CHANGSHU SYNERGY AUTOMOBILE PARTS CO LTD
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