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Method for preparing multi-component composite strip

A composite strip, multi-component technology, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve the problems of complexity, restricting the production efficiency and high production cost of ternary metal composite materials

Active Publication Date: 2017-11-24
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation process of powder metallurgy is very complicated, and there are many external factors that are difficult to control, such as the uniform distribution of each component material, which seriously restricts the production efficiency of ternary metal composite materials and requires relatively high production costs.

Method used

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  • Method for preparing multi-component composite strip
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Embodiment Construction

[0020] The following describes the implementation of the present invention in detail with reference to the drawings and embodiments.

[0021] Such as figure 1 As shown, a method for preparing a multi-component composite tape includes the following steps:

[0022] The first step: the titanium foil 1 and the aluminum strip 2 are used as raw materials, the thickness of the titanium foil 1 before rolling is 25-100 μm, and the thickness of the aluminum strip 2 before rolling is 0.1-1 mm. The titanium foil 1 is an ordinary commercial titanium foil, and the aluminum plate strip 2 is an industrial pure aluminum plate strip.

[0023] The second step: the metal aluminum strip and the metal titanium foil are processed into sheets of exactly the same size.

[0024] The third step: stack according to aluminum / titanium / aluminum / titanium / ... / aluminum to obtain the stacked sheet 3 as a rolled piece, and weld the front end of the rolled piece by spot welding.

[0025] The fourth step: the welded sheet ...

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Abstract

The invention discloses a method for preparing a multi-component composite strip. Titanium foils and aluminum plate strips are machined as sheets with the same size; the aluminum plate strip, the titanium foil, the aluminum plate strip, the titanium foil, ...the aluminum plate strip are stacked; the front ends are welded through electric welding; the compressive stress deaeration is performed by adopting a forging machine; then, the pack rolling is performed; the further rolling is performed; the rolling is repeated until the requested strip thickness is reached; and rolled composite metal strips are heated to obtain aluminum / titanium aluminum intermetallic compound particle / titanium / titanium aluminum intermetallic compound particle / aluminum / titanium aluminum intermetallic compound / titanium / ... / titanium aluminum intermetallic compound particle / aluminum laminar composite strip. A ultrafine crystal metal composite strip is prepared by using the pack rolling mode; the intermetallic compound size, distribution and morphology of a metal interface are controlled by using the heat treatment process; the multi-component laminar composite strip is finally obtained; and the laminar composite strip achieves broad prospect in such fields as aerospace, acoustic insulation, noise reduction and vehicle lightness.

Description

Technical field [0001] The invention belongs to the technical field of composite metal material rolling, and particularly relates to a method for preparing a multi-component composite strip. Background technique [0002] Aluminum alloys and titanium alloys have a wide range of applications in the field of engineering and manufacturing due to their low density and high specific strength. After proper heat treatment of the titanium / aluminum metal composite strip, a titanium-aluminum intermetallic compound will be formed at the interface of titanium and aluminum alloy. The metal-intermetallic compound-metal layered structure material has the advantages of high shock absorption ability, high damping and shock absorption performance, impact energy absorption rate, sound insulation and noise reduction. It has received widespread attention from the scientific and industrial circles. [0003] With the development of composite materials, it has been found that ternary structural materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38B21B15/00C22F1/04C22F1/18
CPCB21B1/38B21B15/00B21B2001/386C22F1/04C22F1/183
Inventor 喻海良崔晓辉王青山
Owner CENT SOUTH UNIV
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