Rolling method for metal composite plate with prefabricated crossed corrugated interface

A metal clad plate and cross-corrugation technology, applied in metal rolling, metal rolling, metal processing equipment and other directions, can solve the problems of low bonding strength, warpage and edge cracking of metal clad plates, and solve the problem of plate warpage Problems, small reduction, simple effect of blank making process

Active Publication Date: 2021-06-25
TAIYUAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention aims to solve technical problems such as low bonding strength, serious warping and edge cracking of the metal clad plate made by the existing rolling method

Method used

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  • Rolling method for metal composite plate with prefabricated crossed corrugated interface
  • Rolling method for metal composite plate with prefabricated crossed corrugated interface
  • Rolling method for metal composite plate with prefabricated crossed corrugated interface

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] refer to Figure 1-6 , a method for rolling a metal clad plate with a prefabricated cross corrugated interface, comprising the following steps:

[0026] S1. Substrate and compound board preparation: Select the 5052 brand aluminum alloy plate with relatively small deformation resistance as the substrate 1, the length, width and height are 100, 100, and 3 mm respectively, and select the AZ31 brand magnesium alloy plate with relatively large deformation resistance as the compound board 2. The length, width and height are 100, 100, and 1mm respectively;

[0027] S2. Blank making: Put the base plate 1 into a corrugated roll mill for rolling. The upper roll of the corrugated flat rolling mill is a cross corrugated roll a3. 2mm, the lower roll is a flat roll 4, the average radius of the upper and lower rolls is 75mm, and the reduction rate is 10%. After rolling, the upper surface of the substrate 1 is a cross corrugated surface, and the lower surface is a plane to form a subs...

Embodiment 2

[0032] refer to Figure 1-6 , a method for rolling a metal clad plate with a prefabricated cross corrugated interface, comprising the following steps:

[0033] S1. Substrate and compound board preparation: Select the 5052 brand aluminum alloy plate with relatively small deformation resistance as the substrate 1, the length, width and height are 100, 100, and 3 mm respectively, and select the AZ31 brand magnesium alloy plate with relatively large deformation resistance as the compound board 2. The length, width and height are 100, 100, and 1 mm respectively.

[0034] S2. Billet making: put the base plate 1 into a corrugated roll rolling mill for rolling, the upper roll of the corrugated flat rolling mill is a cross corrugated roll b6, and the radial section equation of the cross corrugated roll b6 is Where R is the radius of the cross corrugated roller b6, 0≤t≤1; the equation of the axial section line is Wherein 0≤t≤1, the reduction rate is 10%, the linear speed of the uppe...

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Abstract

The invention relates to the technical field of metal composite plate preparation, in particular to a rolling method for a metal composite plate with a prefabricated crossed corrugated interface, and aims to solve the technical problems that a metal composite plate manufactured by adopting an existing rolling method is low in interface bonding strength, serious in warping and edge cracking and the like. According to the technical scheme, a crossed corrugated roller with a triangular waveform is used for prefabricating corrugations on the to-be-compounded surface of a base plate, the ratio of the amplitude of the corrugated roller to the thickness of the base plate is 1/20-1/10, the reduction rate is 5%-10%, a crossed corrugated roller with a sine curve waveform is used for prefabricating corrugations on the to-be-compounded surface of a compound plate, the ratio of the wave amplitude to the thickness of the compound plate is between 1/10 and 1/2, the reduction rate of the working procedure is between 10% and 50%, and then a base plate blank and a compound plate blank are stacked and are flatly rolled under the condition that the reduction rate is lower than 50%. Compared with a traditional rolling method, the bonding strength can be improved, the residual stress can be reduced, plate warping can be controlled, and the high-quality metal composite plate can be prepared.

Description

technical field [0001] The invention relates to the technical field of metal composite plate preparation, in particular to a metal composite plate rolling method for prefabricating cross corrugated interfaces. Background technique [0002] The metal composite panel is a composite material that is made of two or more layers of heterogeneous metals processed by a special process to achieve interfacial metallurgical bonding. On the premise of maintaining the characteristics of the clad metal, the comprehensive mechanical, physical and chemical properties of the clad plate are significantly enhanced to form a complementary effect of advantages, thereby saving rare and precious resources. Metal composite panels are widely used in aerospace, oil and gas pipelines, construction, automobiles, chemicals, electrical equipment, electronic instruments and other fields. Due to the advantages of simple process, low cost and high efficiency, rolling cladding is widely used in the preparat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38B21B47/00B21B45/00
CPCB21B1/38B21B47/00B21B45/004B21B2001/386
Inventor 冯光郜豪杰张恒王靓和东平
Owner TAIYUAN UNIV OF TECH
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