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Preparation method of metal composite plate

A metal clad plate and clad metal plate technology, which is applied in the field of metal material manufacturing, can solve the problems of uneven thickness ratio of metal clad plates, large deformation of the original plate, performance influence, etc., and achieves uniform thickness ratio between components, The effect of improving production efficiency and stable performance

Inactive Publication Date: 2014-04-02
WUXI CITY DI SAN METAL COMPOSITE MATERIAL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing metal composite panels are generally prepared by cold rolling and annealing the base material and reinforcing material once. The metal composite panels have a large reduction during cold rolling, and the reduction is generally greater than 5%. Ten, due to the difference in hardness and ductility of each original plate, when the reduction rate is large, the deformation of the original plate is very large, which makes the thickness ratio between the components of the metal composite plate uneven, and its performance is affected

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  • Preparation method of metal composite plate
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preparation example Construction

[0018] A method for preparing a metal composite panel according to an embodiment of the present invention includes the following steps:

[0019] Step i: Using steel strip or aluminum strip as the base material and copper strip and / or titanium strip as reinforcement material, making at least one surface of the base material and the reinforcement material one-time cold-rolled and compounded to obtain a preliminary product. Among them, the steel strip is galvanized plain carbon steel strip or stainless steel strip, the equipment for primary cold-rolling and compounding is a four-high compound rolling mill, and the compounding method of base material and reinforcing material can be two-layer strip compounding or three-layer strip compounding. The weight ratio of the base material to the reinforcing material is: 60% to 93% of the base material and 7% to 40% of the reinforcing material.

[0020] When the difference in hardness and ductility between the base material and the reinforc...

Embodiment 1

[0026] The SUS430 stainless steel strip with a thickness of 3mm is used as the base material, the TA2 titanium strip with a thickness of 0.4mm and the T1 copper strip with a thickness of 0.4mm are used as reinforcement materials. The weight ratio of the base material to the reinforcement material is: the base material is 76.56%, and the reinforcement Material 23.44%. The TA2 titanium strip and the T1 copper strip are separately arranged on both sides of the SUS430 stainless steel strip for one-time cold rolling compounding, and the equipment is a four-roll compound rolling mill. The thickness of the preliminary product is 1.5mm, and the first reduction rate is 60.53%, that is, the total reduction rate is 60.53%. Then the preliminary product is annealed once, and the protective gas is H 2 , N 2 The mixed gas, the holding temperature is 460°C, the holding time is 1.2 hours, and the equipment for primary annealing treatment is a continuous annealing furnace. The preliminary pr...

Embodiment 2

[0028] The 08A1 galvanized plain carbon steel strip with a thickness of 5mm is used as the base material, and the T1 copper strip with a thickness of 1mm is used as the reinforcement material. The weight ratio of the base material and the reinforcement material is: 81.52% of the base material and 18.48% of the reinforcement material. The T1 copper strip is set on one side of the 08A1 galvanized plain carbon steel strip for one-time cold rolling and compounding, and the equipment is a four-roll compound rolling mill. The thickness of the preliminary product is 2.5mm, and the first reduction rate is 54.54%, that is, the total reduction rate is 54.54%. Then the preliminary product is annealed once, and the protective gas is H 2 , N 2 The mixed gas, the holding temperature is 430 ° C, the holding time is 2.5 hours, and the equipment for primary annealing treatment is a bell annealing furnace. The preliminary product after one annealing treatment is flattened and stretched to obt...

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Abstract

The invention discloses a preparation method of a metal composite plate. The preparation method comprises the following steps: performing primary cold-rolling on at least one surface of a basic material and a reinforcing material, combining to obtain a primary product, performing primary annealing treatment on the primary product, determining whether the primary product subjected to the annealing treatment needs to be subjected to secondary cold-rolling and secondary annealing treatment according to the total pressure reduction rates of the basic material and the reinforcing material, and finally leveling, withdrawing and straightening to obtain the metal composite plate. According to the preparation method, the primary product is determined whether to be subjected to the secondary cold-rolling and the secondary annealing treatment according to the qualities and total pressure reduction rates of both the basic material and the reinforcing material, and the secondary cold-rolling and secondary annealing steps can be performed to prepare the thin metal composite plate. The preparation method is high in flexibility and is suitable for preparing various metal composite plates.

Description

technical field [0001] The invention relates to the field of metal material manufacturing, in particular to a method for preparing a metal composite plate. Background technique [0002] Existing metal composite panels are generally prepared by cold rolling and annealing the base material and reinforcing material once. The metal composite panels have a large reduction during cold rolling, and the reduction is generally greater than 5%. Ten, due to the difference in hardness and ductility of each original plate, when the reduction rate is large, the deformation of the original plate is very large, which makes the thickness ratio between the components of the metal composite plate uneven, and its performance is affected. Among them, the reduction rate is the ratio of the thickness of the metal composite panel to the sum of the thickness of the base material and the reinforcing material, and the thickness ratio between components is the ratio of the thickness of each layer of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/00C21D8/02
Inventor 胡招李
Owner WUXI CITY DI SAN METAL COMPOSITE MATERIAL LTD