Method for preparing composite material for radiator

A technology for composite materials and radiators, which is applied in the field of preparation of composite materials for radiators, can solve the problems of difficult control of the composite rate, difficult to form, and high equipment requirements, and achieves good vacuum brazing performance, stable vacuum brazing performance, excellent The effect of heat dissipation

Active Publication Date: 2014-02-05
YINBANG CLAD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The 4104 alloy contains 10% by mass of Si and 1.6% by mass of Mg. In vacuum brazing, due to the high vapor pressure of Mg, it is easy to volatilize in vacuum and has a reduction reaction with the oxide film on the surface of the aluminum base metal. It is beneficial to remove the oxide film, increase the fluidity of the Al-Si solder, and at the same time, Mg and the residual O in the vacuum 2 and H 2 O reaction eliminates their harmful effects on aluminum brazing; 1060 is an industrial pure aluminum alloy with excellent thermal conductivity, which is better than traditional 3-series aluminum alloys and has corrosion resistance. Therefore, 4104 is used for the skin material and 4104 is used for the core material. The 1060 three-layer composite board will have excellent vacuum brazing performance and good heat dissipation performance. For the preparation method of large-area metal composite board, its industrial production mainly includes: (1) hot rolling composite method, (2) Core-filling continuous casting composite method; the skin material 4104 is a 4-series Al-Si alloy with high magnesium content, which has high strength and hardness and low elongation, and the surface Mg is easily oxidized at high temperature, and the core material 1060 is Series 1 pure aluminum alloy has low strength and hardness and high elongation, so it is difficult to be formed by traditional hot rolling method. For the core-filling continuous casting composite method, due to the large difference in fluidity of the 1 series and 4 series metals, The interface diffusion is serious, the recombination rate is difficult to control, and the process is cumbersome and the equipment requirements are high, so it is difficult to form by this method

Method used

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  • Method for preparing composite material for radiator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] like figure 1 Shown, a kind of preparation method of radiator composite material, it comprises the following steps:

[0024] The first step, raw material surface treatment:

[0025] Take a core material ingot 3 with a length of 3000mm, a width of 800mm, and a thickness of 300mm. The core material ingot 3 is a 1-series 1060 ingot, and a hot-rolled leather plate with a length of 3000mm, a width of 800mm, and a thickness of 30mm 5. The hot-rolled steel plate 5 is made of 4 series 4104 alloy hot-rolled plate, and the pre-composited surface of the core material ingot 3 is milled until the surface has no defects such as casting segregation, microcracks, small surface protrusions, and bending. The pre-composite surface of the hot-rolled plate 5 is polished and brushed until fresh metal is exposed;

[0026] The second step, explosive compounding:

[0027] First, the base 7 is fixedly placed in the sand pile 8, then the skin material hot-rolled plate 5 obtained in the first s...

Embodiment 2

[0033] like figure 1 Shown, a kind of preparation method of radiator composite material, it comprises the following steps:

[0034] The first step, raw material surface treatment:

[0035] Take a core material ingot 3 with a length of 4000mm, a width of 1000mm, and a thickness of 350 mm. The core material ingot 3 is a 1-series 1060 ingot, and a skin material hot-rolled plate with a length of 4000mm, a width of 1000mm, and a thickness of 40mm 5. The hot-rolled steel plate 5 is made of 4 series 4104 alloy hot-rolled plate, and the pre-composited surface of the core material ingot 3 is milled until the surface has no defects such as casting segregation, microcracks, small surface protrusions, and bending. The pre-composite surface of the hot-rolled plate 5 is polished and brushed until fresh metal is exposed;

[0036] The second step, explosive compounding:

[0037] First, the base 7 is fixedly placed in the sand pile 8, then the skin material hot-rolled plate 5 obtained in th...

Embodiment 3

[0043] like figure 1 Shown, a kind of preparation method of radiator composite material, it comprises the following steps:

[0044] The first step, raw material surface treatment:

[0045] Take a core material ingot 3 with a length of 5000mm, a width of 1200mm, and a thickness of 400 mm. The core material ingot 3 is a 1-series 1060 ingot, and a skin material hot-rolled plate with a length of 5000mm, a width of 1200mm, and a thickness of 50mm 5. The hot-rolled steel plate 5 is made of 4 series 4104 alloy hot-rolled plate, and the pre-composited surface of the core material ingot 3 is milled until the surface has no defects such as casting segregation, microcracks, small surface protrusions, and bending. The pre-composite surface of the hot-rolled plate 5 is polished and brushed until fresh metal is exposed;

[0046] The second step, explosive compounding:

[0047] First, the base 7 is fixedly placed in the sand pile 8, then the skin material hot-rolled plate 5 obtained in the ...

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Abstract

The invention provides a method for preparing a composite material for a radiator, which has the advantages of simple and convenient process, convenience in operation, low cost, high material yield, no phenomena of welding layer and expansion on an interface, no burn-down of the outer surface, high bonding strength and good control of the compounding rate.

Description

technical field [0001] The invention relates to the technical field of metal composite material processing, in particular to a method for preparing composite materials for radiators. Background technique [0002] With the rise of the automobile industry, heat exchanger technology will be widely used in automobiles, such as automobile air-conditioning condensers, evaporators, water tank radiators, oil coolers and other components, which are low in cost, lightweight, high in efficiency, corrosion resistant, Aluminum heat exchangers with easy brazing have gradually replaced traditional copper heat exchangers and become the mainstream of heat exchanger applications. [0003] The 4104 alloy contains 10% by mass of Si and 1.6% by mass of Mg. In vacuum brazing, due to the high vapor pressure of Mg, it is easy to volatilize in vacuum and has a reduction reaction with the oxide film on the surface of the aluminum base metal. It is beneficial to remove the oxide film, increase the fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/26
CPCB21C37/02
Inventor 陈伟曹磊杜晓磊刘二磊
Owner YINBANG CLAD MATERIAL
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