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Composite aluminum alloy foil used for radiator and production process thereof

A technology of aluminum alloy foil and production process, which is applied in the field of aluminum alloy, can solve the problems of unstable product quality, low production efficiency and yield, and achieve the best anti-sag performance and uniform transverse thickness

Inactive Publication Date: 2018-03-30
ANHUI TIANLI CENT ALUMINUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Al-Si / Al-Mn / Al-Si three-layer composite foil is the key material for automotive aluminum radiators. This kind of composite foil is now mostly prepared by hot rolling composite method, which has low production efficiency and yield, and unstable product quality. shortcoming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A composite aluminum alloy foil for a radiator, comprising an A3003 core material and an A4045 cladding layer, wherein the A3003 core material and the A4045 cladding layer are clad on both sides, and the main mass ratio chemical composition of the A3003 core material is Mn is 1, Si is 0.2, Zn is 1.0, Fe is 0.4, and the balance is aluminum; the main mass ratio chemical composition of the A4045 cladding layer is Si is 8, Zn is 0.5, Fe is 0.4, Cu is 0.1, The balance is aluminum.

Embodiment 2

[0017] A composite aluminum alloy foil for a radiator, comprising an A3003 core material and an A4045 cladding layer, wherein the A3003 core material and the A4045 cladding layer are clad on both sides, and the main mass ratio chemical composition of the A3003 core material is Mn is 1.2, Si is 0.4, Zn is 1.4, Fe is 0.6, and the balance is aluminum; the main mass ratio chemical composition of the A4045 cladding layer is Si is 10, Zn is 1, Fe is 0.5, Cu is 0.2, The balance is aluminum.

Embodiment 3

[0019] A composite aluminum alloy foil for a radiator, comprising an A3003 core material and an A4045 cladding layer, wherein the A3003 core material and the A4045 cladding layer are clad on both sides, and the main mass ratio chemical composition of the A3003 core material is Mn is 1.1, Si is 0.3, Zn is 1.2, Fe is 0.5, and the balance is aluminum; the main mass ratio chemical composition of the A4045 cladding layer is Si is 9, Zn is 0.7, Fe is 0.45, Cu is 0.15, The balance is aluminum.

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Abstract

The invention discloses a composite aluminum alloy foil used for a radiator and a production process thereof. The composite aluminum alloy foil comprises an A3003 core material and an A4045 coating layer, wherein the A3003 core material and the A4045 coating layer are composited by adopting a double-sided coating method. According to the composite aluminum alloy foil used for the radiator and theproduction process thereof: during cold-rolling bonding, the skin material A4045 and the core material A3003 are initially bonded firmly according to the first-pass reduction rate of 30%-50%; comparedwith the hot-rolling composite foil, the cold-rolling composite foil has the advantages as follows: the transversal thickness of the coating layer is more uniform, and the thicknesses of the upper and lower coating layers tends to be the same; when the precision rolling reduction rate is 25%-35%, the sagging resistance ability of the composite foil is the best; besides, the annealing temperatureof the composite foil before finished product is controlled to be 320-400 DEG C, the sagging resistance ability of the composite foil is improved when the annealing is performed at 400 DEG C and the annealing time is prolonged, and the sagging resistance ability is poorer when the annealing time exceeds 80 min.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a composite aluminum alloy foil for a radiator and a production process thereof. Background technique [0002] The development direction of the world's automobile industry is lightweight. Among them, aluminum and aluminum alloys have become the most ideal lightweight materials for automobiles due to their high specific strength, good corrosion resistance, good thermal stability, easy molding and simplified structure. Among the many parts of automobiles, the aluminization of radiators is a hot research topic for scholars from all over the world. Al-Si / Al-Mn / Al-Si three-layer composite foil is the key material for automotive aluminum radiators. This kind of composite foil is now mostly prepared by hot rolling composite method, which has low production efficiency and yield, and unstable product quality. shortcoming. In contrast, the cold-rolling composite process has high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/40C22C21/00C22C1/10C22C21/02C22F1/04C22F1/057C22F1/043
CPCB21B1/40C22C1/10C22C21/00C22C21/02C22F1/04C22F1/043C22F1/057
Inventor 宋晓辉李春骜张路
Owner ANHUI TIANLI CENT ALUMINUM CO LTD
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