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Direct forming manufacturing method and process device of metal-based multilayer/gradient composite sheet

A technology of composite sheet and manufacturing method, which is applied to manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of high energy consumption and low efficiency of thermal diffusion method, and achieve the effect of strengthening solid solution

Active Publication Date: 2018-10-23
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The thermal diffusion method has low efficiency and high energy consumption, while the synchronous continuous casting method has restrictions on the selection of materials and the number of composite layers due to equipment limitations

Method used

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  • Direct forming manufacturing method and process device of metal-based multilayer/gradient composite sheet
  • Direct forming manufacturing method and process device of metal-based multilayer/gradient composite sheet

Examples

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Embodiment Construction

[0029] Preferred embodiments of the present invention are described in detail as follows:

[0030] In this example, see figure 1 and figure 2 , a process device for implementing the direct forming manufacturing method of metal-based multilayer / gradient composite plates, its processing unit includes a chemical cleaning unit 1 arranged in sequence along the extending direction of the base plate 8, a base plate surface treatment device, and a powder laying device 4 , melting and sintering device, cold / hot roll end composite sheet end control device 7, all equipment and devices are installed and arranged according to the direct forming manufacturing process of metal-based multi-layer / gradient composite sheet, and the chemical cleaning unit 1 cleans the surface of the base sheet 8 Chemical cleaning, removing scale and rust on the surface of the base plate 8, the base plate surface treatment device includes a surface treatment electromagnetic induction heating device 2 and a laser...

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Abstract

The invention discloses a direct forming manufacturing method of a metal-based multilayer / gradient composite board and a process unit of the direct forming manufacturing method. Scale, corrosion materials and other impurities on the joint surface of a base board are removed through chemical cleaning, the cleaned surface is subjected to gradient power electromagnetic induction heating or laser bombardment surface treatment, all phases near the joint surface are fully dissolved, a solid solution is enhanced, toughness and corrosion resistance are improved, the surface stress of the board is eliminated, and surface laser treatment is conducted to improve the binding property of a composite layer; raw materials of the composite layer are added and injected through powder laying, a high-energy heat source is adopted for irradiation or induction heating to melt powder, metallurgical bonding is formed between the composite layer and a base, and control over the final shape of a cold / hot-rolled board is conducted. The obtained multilayer / gradient composite board is compact in surface structure, bonding between the composite layer and the base and between layers is good, and the interlayer bonding performance of the composite board is remarkably improved. The process is high in flexibility, and the production period of the metal-based composite board can be greatly shortened after the process is combined with an existing continuous casting technology.

Description

technical field [0001] The invention relates to a method and device for continuous casting of metal materials or composite materials, in particular to a method and device for preparing metal-based composite plates, which are applied in the technical field of manufacturing high-end plates. Background technique [0002] China is the world's largest iron and steel country, but the proportion of cost-effective steel products is far behind developed countries. With the vigorous promotion of "Made in China", material preparation and equipment manufacturing will become one of my country's pillar industries. High-performance steel products The design and manufacture of the technology has become an important topic to promote its development. Steel and other metal-based multilayer / gradient composite plates have an irreplaceable position in the manufacture of large equipment, especially the role of high-end plates in aerospace, ships, automobiles, weapons and national defense is very im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B22F7/02B21B3/00B21B37/16B21B37/58
CPCB21B3/00B21B37/16B21B37/58B21B2003/006B21B2261/04B22F7/02B23P15/00
Inventor 王江任忠鸣刘小器肖武泉赵睿鑫吴欢欢
Owner SHANGHAI UNIV
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