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A rolling method for improving the bonding strength of bimetal clad plates
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A technology of bonding strength and clad plate, applied in metal rolling and other directions, can solve the problem of low bonding strength of bimetal clad plate, and achieve the effect of improving area bonding rate, large diffusion probability, and promoting cracking
Inactive Publication Date: 2020-11-20
潍坊林地源经贸有限公司
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Problems solved by technology
[0003] The present invention aims to solve the technical problem of low bonding strength of the bimetallic clad plate made by the existing rolling method
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Embodiment 1
[0026] refer to figure 1 , 2 , 4-6, a kind of cold-rolling method of preparing Cu / Al bimetal clad plate, comprises the following steps:
[0027] S1. Billet making: select pure Al plate as substrate 1, with length, width, and height of 50, 50, and 3 mm respectively, and select pure Cu plate as double plate 2, with length, width, and height of 50, 50, and 1 mm, respectively. The deformation resistance of Al plate is relatively high. small, the deformation resistance of the Cu plate is relatively large, the ratio of the thickness of the base plate 1 to the double plate 2 is 3, and the double plate 2 is stacked on the top of the base plate 1, symmetrically at a distance of 15mm in the width direction of the rolled bite end. Drill two holes and rivet them with rivets, so as to ensure that the component plates of the bimetallic composite slab 3 can be bitten into the roll synchronously, and the other end is bound with a binding wire to ensure that the base plate 1 and the composite...
Embodiment 2
[0035] refer to figure 1 , 3 , 4-6, a kind of warm rolling method for preparing Mg / Al bimetal clad plate, comprises the following steps:
[0036]S1. Blank making: choose 5052 aluminum alloy as the base plate 1, the length, width and height are 300, 300, and 25mm respectively, and select the AZ31 magnesiumalloy plate as the double board 2, and the length, width and height are 300, 300, 5mm respectively, and 5052 aluminum The deformation resistance of the alloy plate is small, and the deformation resistance of the AZ31 magnesium alloy plate is relatively large. The thickness ratio of the base plate 1 and the double plate 2 is 5. Two holes are symmetrically drilled at a distance of 200mm in the width direction of the end and riveted by rivets, so as to ensure that the component plates of the bimetallic composite slab 3 can be bitten into the roll synchronously, and the other end is bound with a binding wire to ensure rolling. During the process, there will be no deviation of t...
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Abstract
The invention relates to the technical field of preparation of double-metal composite boards, and specifically relates to a rolling method for improving combination intensity of a double-metal composite boards. The rolling method for improving the combination intensity of the double-metal composite board aims at solving the technical problem of low combination intensity of a double-metal composition board prepared by an existing rolling method. According to the technical scheme, the method is characterized in that a base plate and the composite board are vertically subjected to wave flat rolling and then are subjected to flat rolling. Compared with a traditional rolling method, the method has the advantages that two double-metal sheets of different types are subjected to non-uniform local intensity deformation in three times in the abovementioned manner, thus broken, fresh and activated metal atoms in an oxidizing layer of a combination interface are extremely promoted to be extruded out, and as a result, the diffusion probability of two metal atoms is increased; the metallurgical bonding scope of the two metals is expanded; and the combination intensity is effectively improved.
Description
technical field [0001] The invention relates to the technical field of bimetalcomposite plate preparation, in particular to a rolling method for improving the bonding strength of a bimetalcomposite plate. Background technique [0002] Bimetal composite board is a new type of composite board prepared by combining two metal plates with different physical, chemical and mechanical properties at the interface through a specific manufacturing method. It can integrate high strength, high toughness, wear resistance, corrosion resistance and other excellent properties of component metal materials. At the same time, bimetallic composite panels can also save precious metal materials and reduce product costs. At present, the manufacturing methods of bimetal clad plate include explosive cladding method, diffusion cladding method, hot / cold rolling cladding method, etc. Among them, the explosive composite method and the diffusion composite method generally have the disadvantages of low ...
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