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Short process and high-efficiency preparation method of metal layered composite plate strip

A composite strip and metal layer technology, applied in metal rolling, metal rolling, metal processing equipment and other directions, can solve the problem of low degree of automation and continuity, low material utilization rate and production efficiency, and inability to use active metals Compounding and other issues, to achieve the effect of flexible specifications, large degrees of freedom, and no potential safety hazards

Active Publication Date: 2015-10-07
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On this basis, by solving the problems of deformation coordination among various links and reasonable matching of process parameters in the whole process, a method of pre-compounding single-pass room temperature rolling, online rapid heating and single-pass temperature-controlled rolling was developed. Short process and high-efficiency preparation method of metal layered composite plate and strip combined with metallurgical compounding, changing the cumbersome process and degree of automation existing in the preparation methods of metal layered composite plate and strip such as traditional explosion compounding, explosion-rolling compounding, and rolling compounding And continuous degree is not high, material utilization rate and production efficiency are low, energy waste is serious, production cycle is long, production cost is high, there are environmental pollution and safety hazards, high requirements for equipment, it is difficult to use coiled metal strip or long size The metal sheet is used as raw material, or it cannot be used for the compounding of active metals, etc., to achieve the purpose of preparing high-performance metal layered composite plates and strips by short-process, efficient and continuous rolling in the atmospheric environment

Method used

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  • Short process and high-efficiency preparation method of metal layered composite plate strip

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] At room temperature, the surface of the pure titanium plate (thickness 1.1 mm) and carbon steel plate (thickness 4.4 mm) to be compounded was ground with an online grinding wheel; then the surface of the pure titanium plate and carbon steel plate after grinding Superimposed, and continuously bitten into the first rolling mill, the online single-pass room temperature rolling is carried out to achieve pre-compounding, the rolling reduction rate is 30%, and the pre-compounded titanium / steel layered composite slab is obtained; then the pre-compounded The composite titanium / steel layered composite slab is directly transported into the current heating device, and the pre-composited titanium / steel layered composite slab is heated online rapidly in the current heating device, so that the pre-composited titanium / steel layered composite slab heats up rapidly To the required rolling temperature of 750 °C, the heating time is 10 s; then the heated pre-clad titanium / steel layered com...

Embodiment 2

[0028] At room temperature, the surface of the cleaned pure titanium strip (thickness 0.1 mm) and carbon steel strip (thickness 0.6 mm) to be composited was polished with an online high-speed rotating steel brush; then the pure titanium strip and carbon steel strip The polished surfaces of the materials are superimposed, and continuously bitten into the first rolling mill, and the online single-pass room temperature rolling is carried out to achieve pre-compounding. The rolling reduction rate is 30%, and the pre-compounded titanium / steel layered Composite strip; then the pre-composite titanium / steel layered composite strip is directly transported into the induction heating device, and the pre-compound titanium / steel layered composite strip is rapidly heated online in the induction heating device, so that the pre-compound titanium / steel The layered composite strip was heated rapidly to the required rolling temperature of 650 °C, and the heating time was 5 s; then the heated pre-...

Embodiment 3

[0030] The surface to be compounded (one side of aluminum, two sides of titanium) of pure aluminum plate (thickness 3 mm), pure titanium plate (thickness 1 mm) and carbon steel plate (thickness 5 mm) after surface cleaning at room temperature surface and one side surface of carbon steel) for online high-speed rotary steel brush grinding; then, according to the three-layer composite method of pure aluminum sheet / pure titanium sheet / carbon steel sheet, the pure aluminum sheet, pure titanium sheet and carbon steel sheet are polished The treated surfaces are superimposed and continuously bitten into the first rolling mill for on-line single-pass room temperature rolling to achieve pre-compounding. The rolling reduction rate is 50%, and the pre-compounded aluminum / titanium / carbon steel layered Composite slab; then the pre-composite aluminum / titanium / carbon steel layered composite slab is directly transported into the induction heating device, and the pre-compounded aluminum / titanium...

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Abstract

The invention discloses a short-process efficient production method for metal-layered composite board strips and belongs to the technical field of production of the metal-layered composite board strips. The short-process efficient production method is characterized by including: subjecting to-be-composited double-layered or multilayered metal board strips subjected to surface treatment to single-pass room temperature rolling to obtain pre-composited metal-layered composite board strip plates; rapidly heating the pre-composited metal-layered composite board strip plates to the temperature (lower than recrystallization temperature of metal) required by subsequent rolling; continuing performing single-pass temperature-controlled rolling so as to prepare high-performance metal-layered composite board strips. The short-process efficient production method has the advantages of continuity and high degree of automation, short process, high production efficiency, small environmental pollution, energy conservation, circle-time reduction, freeness of potential safety hazards, high dimensional accuracy of products, flexible specifications, large degree of freedom in raw material combination, high material utilization, low requirements on equipment, low production cost and excellent product quality and performance, and the coiled metal strip plates or long-sized metal plates can be used as raw materials.

Description

technical field [0001] The invention belongs to the technical field of preparation of metal layered composite plate strips, and in particular relates to a short-flow and high-efficiency preparation method of metal layered composite plate strips. technical background [0002] With the rapid development of the high-tech fields of the national economy and the field of national defense and military industry, especially the continuous emergence of various new technologies and new industries, the requirements for the performance of metal materials are increasing day by day. Performance has been difficult to meet the requirements of use. Therefore, the research and development of new metal composite materials (especially metal layered composite materials) and their products has become an important development direction in the field of materials science and engineering. The metal layered composite plate strip is composed of two or more component metal materials through special prep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/38B21B15/00
Inventor 刘雪峰李晶琨汪汐涌谢建新
Owner UNIV OF SCI & TECH BEIJING
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