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Aluminum-manganese material formed through high temperature brazing and forming method thereof

An aluminum-manganese alloy and brazing technology, applied in the field of aluminum-manganese materials, can solve the problems of low machining efficiency, easy softening or melting, and high production cost of aluminum alloys, and achieve low cost, high production efficiency, and excellent high-temperature brazing properties Effect

Inactive Publication Date: 2020-03-27
福建省鼎智新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-temperature brazable aluminum-manganese alloy and its preparation and casting molding method to solve the problem of easy softening or melting of cast aluminum-silicon alloy during high-temperature brazing, or the low machining efficiency of 3004 aluminum alloy, and the production Defects such as high cost

Method used

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  • Aluminum-manganese material formed through high temperature brazing and forming method thereof
  • Aluminum-manganese material formed through high temperature brazing and forming method thereof

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Embodiment 1

[0020] An aluminum-manganese alloy that can be brazed at high temperature, using a semi-solid vacuum slow-shot die-casting method to prepare a power battery shell cavity (maximum external dimension 410mm), including the following steps:

[0021] (1) Material preparation: According to the composition control standard (mass fraction) "Fe: 0.6%, Si: 0.8%, Mn: 1.6%, Zn: 0.08%, Ti: 0.1%, Al balance" for material preparation. Aluminum-iron master alloy, pure silicon, aluminum-manganese master alloy, aluminum-titanium master alloy, high-purity aluminum and pure zinc are selected as raw materials.

[0022] (2) All furnace materials need to be cleaned on the surface, free of dust and oil; they need to be baked at a temperature of about 150°C for 1 to 2 hours.

[0023] (3) Melting: Melt high-purity aluminum charge in a graphite crucible, control the temperature of aluminum water at 730~750°C, and then add aluminum-iron master alloy, pure silicon, aluminum-manganese master alloy, aluminu...

Embodiment 2

[0029] An aluminum-manganese alloy that can be brazed at high temperature, using a liquid squeeze casting method to prepare a power battery cavity connector (maximum external dimension 80mm), including the following steps:

[0030] (1) Material preparation: According to the composition control standard (mass fraction) "Fe: 0.8%, Si: 0.3%, Mn: 1.5%, Zn: 0.08%, Ti: 0.1%, Al balance" for material preparation. Aluminum-iron master alloy, pure silicon, aluminum-manganese master alloy, aluminum-titanium master alloy, high-purity aluminum and pure zinc are selected as raw materials.

[0031] (2) All furnace materials need to be cleaned on the surface, free of dust and oil; they need to be baked at a temperature of about 150°C for 1 to 2 hours.

[0032] (3) Melting: Melt high-purity aluminum charge in a graphite crucible, control the temperature of aluminum water at 740~750°C, and then add aluminum-iron master alloy, pure silicon, aluminum-manganese master alloy, aluminum-titanium mas...

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Abstract

The invention provides aluminum-manganese material formed through high temperature brazing and a forming method thereof. The aluminum-manganese material comprises the following components in percentage by mass: 0.5-0.9% of Fe, less than 1% of Si, 1.4-1.7% of Mn, less than 0.1% of Zn, 0.1-0.15% of Ti and the balance of Al. The aluminum-manganese material can be formed through semi-solid vacuum slowfire die-casting or liquid-state squeeze casting. The entire preparation process is simple and feasible in technology and can realize large-scale production.

Description

technical field [0001] The invention relates to an aluminum-manganese material, in particular to an aluminum-manganese alloy capable of high-temperature brazing and its preparation and casting molding method. Background technique [0002] At present, aluminum alloy products such as electronic equipment substrates, heat pipe joints, and lubricating oil radiator collection boxes in China need to be assembled by high-temperature brazing. At present, most of them use 3004 aluminum alloy, but this alloy is not suitable for casting and needs to be machined. Forming, low material utilization, long cycle time, high processing cost. In recent years, some companies have begun to try to use aluminum-silicon alloys (such as A356 or ACD12) to manufacture such products by high-pressure casting. Softening or even melting occurs when soaked. In order to overcome the existing problems, the invention provides a high-temperature brazable aluminum-manganese alloy and a forming method thereof....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/03C22C1/06C22F1/04
CPCC22C1/026C22C1/03C22C1/06C22C21/00C22F1/04
Inventor 王连登王火生谢天土
Owner 福建省鼎智新材料科技有限公司
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