Method for producing Al-Mn-Zn-Sc aluminum alloy foil for automobile radiating fin by continuous roll casting

A scandium aluminum alloy and heat sink technology, which is applied in the field of aluminum alloy foil processing, can solve the problems of difficult control of plate shape, low yield rate, and high cost, and achieve the effects of uniform thickness, high yield rate, and low cost

Active Publication Date: 2013-04-24
靖西天桂铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Disadvantages of this traditional process: high energy consumpt

Method used

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  • Method for producing Al-Mn-Zn-Sc aluminum alloy foil for automobile radiating fin by continuous roll casting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Typical Example 1: 0.06mm thick aluminum-manganese-zinc-scandium alloy automotive heat sink aluminum foil

[0067] The specific chemical composition mass fraction of the aluminum alloy foil for automobile radiators is:

[0068] Sc: 0.06, Si: 0.44%, Fe: 0.46%, Cu: 0.11%, Mn: 1.06%, Mg: 0.05%,, Zn: 1.47%, Cr≤0.017, Ni, ≤0.014, Ti, ≤0.012, Zr : ≤0.026, the balance is Al.

[0069] a. The production process of cast-rolled coils is: Furnace preparation→furnace material preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining) → Degassing and slag removal in the degassing box → Filtration and slag removal by double-channel and double-stage ceramic filter plates in the filter box → Cast and rolled into 7.0mm continuous cast-rolled plates, and then rolled into cast-rolled coils (ie: cast-rolled plates and strips), Among them, the regulations on waste in the preparation of ...

Embodiment 2

[0073] Typical Example 2: 0.10mm thickness aluminum-manganese-zinc-scandium alloy automotive heat sink aluminum foil

[0074] The specific chemical composition mass fraction of the aluminum alloy foil for automobile radiators is:

[0075] Sc: 0.09, Si: 0.47%, Fe: 0.51%, Cu: 0.13%, Mn: 1.11%, Mg: 0.05%, Zn: 1.53%, Cr≤0.016, Ni, ≤0.018, Ti, ≤0.014, Zr: ≤0.031, the balance is Al.

[0076] a. The production process of cast-rolled coils is: Furnace preparation→furnace material preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining) → Degassing and slag removal in the degassing box → Filtration and slag removal by double-channel and double-stage ceramic filter plates in the filter box → Cast and rolled into 7.0mm continuous cast-rolled plates, and then rolled into cast-rolled coils (ie: cast-rolled plates and strips), Among them, the regulations on waste in the preparation o...

Embodiment 3

[0080] Typical Example 3: 0.14mm thick aluminum-manganese-zinc-scandium alloy automotive heat sink aluminum foil

[0081] The specific chemical composition mass fraction of the aluminum alloy foil for automobile radiators is:

[0082] Sc: 0.11, Si: 0.50%, Fe: 0.53%, Cu: 0.14%, Mn: 1.15%, Mg: 0.05%, Zn: 1.51%, Cr≤0.013, Ni, ≤0.016, Ti, ≤0.018, Zr: ≤0.28, the balance is Al.

[0083] a. The production process of cast-rolled coils is: Furnace preparation→furnace material preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining) → Degassing and slag removal in the degassing box → Filtration and slag removal by double-channel and double-stage ceramic filter plates in the filter box → Cast and rolled into 7.0mm continuous cast-rolled plates, and then rolled into cast-rolled coils (ie: cast-rolled plates and strips), Among them, the regulations on waste in the preparation of fur...

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Abstract

The invention relates to a method for producing Al-Mn-Zn-Sc aluminum alloy foil for an automobile radiating fin by continuous roll casting. The method is characterized by comprising 0.05 to 0.15% by mass of Sc, 0.44 to 0.58% by mass of Si, 0.45 to 0.55% by mass of Fe, 0.10 to 0.15% by mass of Cu, 1.05 to 1.25% by mass of Mn, less than or equal to 0.05% by mass of Mg, 1.40 to 1.60% by mass of Zn, less than or equal to 0.025% by mass of Cr, less than or equal to 0.045% by mass of Ni, less than or equal to 0.045% by mass of Ti, less than or equal to 0.045% by mass of Zr, and the balance Al. The method has the advantages of short production technological process, simple production processes, high production efficiency, high yield, low cost, good plate shape, high Al-Mn-Zn-Sc aluminum alloy foil strength, good toughness, good weldability, good thermostability, high heat resistance and stable and reliable product quality.

Description

technical field [0001] The invention develops a production process for producing aluminum-manganese-zinc-scandium alloy aluminum alloy foil for automobile radiators by adopting continuous casting and rolling. The invention belongs to the technical field of aluminum alloy foil processing. Background technique [0002] In recent years, the rapid development of my country's automobiles and electromechanical products has stimulated the urgent demand for aluminum processing products. Aluminum and aluminum alloy foils meet various needs of modern production in a wide range of fields with their unique properties. With the development of economy and technology, the requirements for the quality of aluminum foil are increasing day by day. It is hoped that the thickness of aluminum foil will be thinner, with fewer pinholes, and higher mechanical properties and surface quality. However, if you want to produce special aluminum alloy foil with special requirements, the requirements ...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04
Inventor 白杰朱东年黄善球范文慧刘应安刘军民王民生曾荣华彭映平
Owner 靖西天桂铝业有限公司
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