Rolling method capable of enhancing compositing effects of dissimilar metal composite plate

A technology of dissimilar metals and composite plates, applied in the direction of metal rolling, etc., can solve the problems of affecting the plastic deformation performance of the interface layer, affecting the bonding strength of the composite interface, etc., so as to reduce the number of composite interface compounds and defects, and enhance the interface bonding strength. , The effect of solving the rolling force problem

Inactive Publication Date: 2019-10-25
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existence and thickness of these compounds will directly affect the plastic deformation properties of the interface layer, thereby affecting the connection strength of the composite interface.
Therefore, the single-path multi-pass heating-rolling composite method cannot avoid the drawbacks of composite interface atomic reactions under heating conditions.

Method used

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  • Rolling method capable of enhancing compositing effects of dissimilar metal composite plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] In the first step, the stainless steel / carbon steel clad plate is rolled using a four-roll mill. Mark the direction of the first rolling schedule on the stainless steel / carbon steel clad plate to be rolled as X, and then carry out the first rolling along the X direction. Among them: the roll temperature is set to room temperature, the rolling speed is 1m / s, the rolling temperature is set to 1000°C, the speed ratio of the upper and lower rolls is set to 1.0, the reduction rate is 30%, and the number of passes is set to 1;

[0018] Rotate 90°, 180°, and 270° clockwise from the X direction to set the Y, -X, -Y directions in turn, and then carry out the second rolling.

[0019] The second step is to set the rolling direction of the stainless steel / carbon steel composite plate after the first rolling to Y, -X, -Y, and X directions for the second rolling, and roll one pass in each direction. Wherein: the rolling speed is 1m / s, the speed ratio of the upper and lower rolls is ...

Embodiment 2

[0021] In the first step, the titanium / steel clad plate is rolled using a four-roll mill. Mark the direction of the first rolling schedule on the titanium / steel clad plate to be rolled as X, and then carry out the first rolling along the X direction. Among them: the roll temperature is set to room temperature, the rolling temperature is set to 900°C, the rolling speed is set to 1m / s, the speed ratio of the upper and lower rolls is set to 1.0, the reduction rate is set to 30%, and the number of passes is set is 1.

[0022] Rotate 90°, 180°, and 270° clockwise from the X direction to set the Y, -X, -Y directions in turn, and then carry out the second rolling.

[0023] The second step is to set the rolling direction of the titanium / steel clad plate after the first rolling to Y, -X, -Y, and X directions for the second rolling, and roll one pass in each direction. Among them: the rolling speed is 1m / s, the speed ratio of the upper and lower rolls is set as 1.0, and the reduction ...

Embodiment 3

[0025] In the first step, the copper / aluminum clad plate is rolled using a four-roll mill. Mark the direction of the first rolling rule on the copper-aluminum composite plate to be rolled as X, and then carry out the first rolling. Among them: the roll temperature is set to room temperature, the rolling temperature is set to 500°C, the rolling speed is set to 1m / s, the speed ratio of the upper and lower rolls is set to 1.0, the reduction rate is set to 25%, and the number of passes is set is 1;

[0026] Rotate 90°, 180°, and 270° clockwise from the X direction to set the Y, -X, -Y directions in turn, and then carry out the second rolling.

[0027] In the second step, the copper-aluminum composite plate after the first rolling is set to be rolled in the direction of Y, -X, -Y, and X for the second rolling, and each direction is rolled once. Among them: the rolling speed is set to 1m / s, the speed ratio of the upper and lower rolls is set to 1.0, and the reduction rate is 15%, ...

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Abstract

The invention discloses a rolling method capable of enhancing compositing effects of a dissimilar metal composite plate, and belongs to the metal rolling field. The rolling method includes: first demarcating a rolling schedule of the metal composite plate, and then using a four roller mill for performing first rolling on the composite plate, and then performing second rolling according to a givenprocess (plate blank rolling direction change process). According to the dissimilar metal composite plate obtained through the rolling method, not only is occurrence rate of the problem that large quantities of compounds and defective materials exist on a composite interface in the traditional rolling process is effectively reduced, but also oxides and defective compounds, on the bonding surface layer, can be crushed, and are distributed in a discontinuous dispersion mode so as to enhance interface bonding strength, and simultaneously problems of rolling pressure needed in the rolling processare solved.

Description

technical field [0001] The invention relates to the technical field of metal rolling, in particular to a rolling method for enhancing the cladding effect of dissimilar metal clad plates. Background technique [0002] Dissimilar metal composite materials refer to the combination of two or more metal materials with different properties into an organic whole through physical metallurgy or chemical methods to achieve the purpose of complementary physical and chemical properties. Dissimilar metal composites include combinations of many metal types, such as carbon steel / stainless steel, aluminum alloy / magnesium alloy, and aluminum / copper. In today's trend of vigorously advocating the construction of a resource-saving society, dissimilar metal composite materials highlight their obvious advantages. First, without affecting the performance of materials, dissimilar metal composite materials reduce the consumption of rare metals and reduce costs; secondly, they improve It meets the p...

Claims

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Application Information

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IPC IPC(8): B21B1/38
CPCB21B1/38B21B2001/386B21B2013/025
Inventor 马立峰王怡博刘鹏涛支晨琛赵广辉
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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