Aluminum steel compound board and compounding method thereof

A composite plate and aluminum alloy plate technology, applied in metal rolling and other directions, can solve problems such as difficult coiling at the head and tail, high energy consumption, and severe work hardening

Active Publication Date: 2016-04-27
YINBANG CLAD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a large first-pass processing rate has higher requirements on the cold rolling compound machine, and the greater the rolling compound processing rate, the greater the corresponding energy consumption, which is not conducive to energy saving and emission reduction, and the single-pass cold rolling compound processing reduction The higher the value, the more severe the work hardening, and the difficulty in coiling from head to tail

Method used

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  • Aluminum steel compound board and compounding method thereof

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0034] In this embodiment, a low-carbon steel material with a thickness of 2.6 mm and a 1060 aluminum alloy material with a thickness of 0.12 mm are respectively selected as the base material 12 and the composite material 11 of the composite plate 1 .

[0035] The head of the low-carbon steel material after the surface grinding treatment first passes through the rollers 2 of the compound rolling mill for a certain distance. It should be noted that the temperature of the steel strip can rise to 100-120°C after surface grinding to remove rust spots and oxides. There is no need to lower the temperature before the steel strip is compounded, and it can directly enter the rolling mill to carry out different temperature rolling and compounding with the aluminum alloy strip.

[0036] The aluminum alloy strip is coiled on an uncoiler. The head of the thin strip of aluminum alloy material at room temperature is fed into the roll entrance of the rolling mill in parallel with the steel p...

no. 2 example

[0041] In this embodiment, a low-carbon steel material with a thickness of 2.8 mm and a 1060 aluminum alloy material with a thickness of 0.15 mm are respectively selected as the base material 12 and the composite material 11 of the composite plate 1 .

[0042] According to the same method as the first embodiment, the above-mentioned base material and composite material were subjected to different temperature rolling and compounding, and finally an aluminum / steel composite material 1 with a thickness of 1.58 mm was obtained.

[0043]After inspection by relevant inspection equipment, the rolled steel plate and aluminum alloy are well composited together, and there is no aluminum layer falling off, no bubbles, and the thickness of the composite layer is uniform. It has been verified by practice that the aluminum layer will not be perforated and peeled off during subsequent annealing, leveling and other processes. And through the tensile and tearing test of special mold, the bondi...

no. 3 example

[0046] In this embodiment, a low-carbon steel material with a thickness of 3.0 mm and a 1060 aluminum alloy material with a thickness of 0.17 mm are respectively selected as the base material 12 and the composite material 11 of the composite plate 1 .

[0047] According to the same method as the first embodiment, the above-mentioned base material and composite material were subjected to different temperature rolling and compounding, and finally an aluminum / steel composite material 1 with a thickness of 1.62 mm was obtained.

[0048] After inspection by relevant inspection equipment, the rolled steel plate and aluminum alloy are well composited together, and there is no aluminum layer falling off, no bubbles, and the thickness of the composite layer is uniform. It has been verified by practice that the aluminum layer will not be perforated and peeled off during subsequent annealing, leveling and other processes. And through the tensile and tearing test of special mold, the bond...

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Abstract

The invention relates to an aluminum steel compound board. The aluminum steel compound board comprises a substrate steel plate and a composite aluminum alloy plate, wherein the compound board is formed by different temperature rolling and compounding to a steel plate heated to the temperature of 100 degrees and 120 degrees and a normal temperature aluminum alloy plate. The invention further relates to a compounding method of the aluminum steel compound board, and the compounding method comprises the following steps: preparing and compounding the required steel plate and the composite aluminum alloy plate; heating the steel plate to reach a temperature of 100 to 120 DEG C; stacking up the heated steel plate and the normal temperature aluminum alloy plate; and rolling and compounding the stacked up steel plate and the aluminum alloy plate. Due to the adoption of the technical scheme provided by the invention, the compound board is processed through a different temperature rolling and compounding method, the compounding and processing rolling reduction is reduced, requirements to rolling equipment are met, moreover, energy consumption is lowered, and the compounding and rolling cost is reduced.

Description

technical field [0001] The invention mainly relates to the field of composite panels, in particular to an aluminum-steel composite panel and a composite method thereof. Background technique [0002] With the deepening of energy saving and emission reduction, the cooling system of thermal power generation adopts air cooling technology. The air cooling unit has two cooling forms: direct cooling and indirect cooling. The indirect cooling method requires a large initial investment but low maintenance costs in the later period; while the direct cooling method requires a small initial investment but high maintenance costs in the later period. In the indirect cooling method, the air cooling unit connects the aluminum tube and the aluminum alloy fin through mechanical expansion of the tube; while in the direct cooling method, the air cooling unit connects the steel pipe and the aluminum alloy fin through welding metallurgy. In comparison, the heat dissipation effect of the air-coo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38
Inventor 毕建华李龙周德敬
Owner YINBANG CLAD MATERIAL
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