阅读说明：本技术 一种铜铝复合高强钢丝的金属板材及其制备方法 (Metal plate of copper-aluminum composite high-strength steel wire and preparation method thereof ) 是由 符会文 王项 李萌 符利強 符建強 符程斌 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种铜铝复合高强钢丝的金属板材及其制备方法。一种铜铝复合高强钢丝的金属板材在由铜板带、铝板带复合得到的铜铝复合板带中的铝板带中复合有钢丝。一种铜铝复合高强钢丝的金属板材的制备方法,将钢丝、半熔融态铝合金、固态铜板带进行无氧连续铸轧,制得铜铝复合高强钢丝的金属板材,具体来说,包括如下步骤,a.进行准备工作：对钢丝进行表面无氧化处理；将铝合金液化；将铜板带经过脱脂处理并通过打磨辊进行单面在线打磨至单面无氧化层；b.进行无氧连续铸轧：将铝合金降温冷却至半熔融态,随后将铜板带、钢丝、半熔融态的铝合金送入轧机进行无氧连续铸轧,其中,铜板带无氧化层的一面朝向半熔融态的铝合金。(The invention discloses a metal plate of a copper-aluminum composite high-strength steel wire and a preparation method thereof. A metal plate with high-strength Cu-Al steel wire is made up of Cu plate band and Al plate band through combining them together to obtain a composite Cu-Al plate band. A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the following steps of a, carrying out anaerobic continuous casting and rolling on a steel wire, a semi-molten aluminum alloy and a solid copper plate strip to prepare the metal plate of the copper-aluminum composite high-strength steel wire, wherein the method comprises the following steps: carrying out surface non-oxidation treatment on the steel wire; liquefying the aluminum alloy; degreasing the copper plate and strip, and polishing the single surface of the copper plate and strip on line by a polishing roller until no oxide layer exists on the single surface; b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip, the steel wire and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip without an oxide layer faces to the semi-molten aluminum alloy.)

1. A metal sheet material of copper-aluminum composite high-strength steel wires is characterized in that: the steel wire (3) is compounded in the aluminum plate strip (1) in the copper-aluminum composite plate strip which is compounded by the copper plate strip (2) and the aluminum plate strip (1).

2. The metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 1, wherein: the aluminum plate strip (1) is made of 1 series, 3 series, 4 series, 5 series and 6 series aluminum alloy.

3. The metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 1, wherein: a row of a plurality of steel wires (3) laid along the width direction of the aluminum plate strip (1) are compounded in the aluminum plate strip (1), the length direction of the steel wires (3) is consistent with the length direction of the aluminum plate strip (1), and the error of the distance between every two adjacent steel wires (3) is +/-2 mm.

4. The metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 1, wherein: the thickness of the aluminum plate strip (1) is 4-16 mm.

5. The metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 1, wherein: the thickness of the copper strip (2) is 0.1-2 mm.

6. The preparation method of the metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 1, characterized in that: and carrying out anaerobic continuous casting and rolling on the steel wire (3), the semi-molten aluminum alloy and the solid copper strip (2) to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

7. The method for preparing the metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 6, wherein the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire (3); liquefying the aluminum alloy; degreasing the copper plate strip (2), and polishing the single surface of the copper plate strip on line by a polishing roller until no oxide layer exists on the single surface;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip (2), the steel wire (3) and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface, without an oxide layer, of the copper plate strip (2) faces the semi-molten aluminum alloy.

8. The method for preparing the metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 6, wherein the method comprises the following steps: liquefying the aluminum alloy at the temperature of 720-850 ℃, refining and degassing to obtain the aluminum alloy liquid.

9. The method for preparing the metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 6, wherein the method comprises the following steps: the casting and rolling speed is 0.5-1.2 m/min.

10. The method for preparing the metal plate of the copper-aluminum composite high-strength steel wire as claimed in claim 6, wherein the method comprises the following steps: the casting and rolling pressure is (0.5-2.5) x 10⁷N。

Technical Field

The invention belongs to the technical field of aluminum strips, and particularly relates to a metal plate of a copper-aluminum composite high-strength steel wire and a preparation method thereof.

Background

The current aluminum alloys have 1-9 series. The 1-series aluminum alloy contains more than 99 percent of aluminum, has good conductivity, good corrosion resistance, good welding performance and low strength, wherein the high-purity aluminum (the aluminum content is more than 99.9 percent) also belongs to the 1-series aluminum alloy; the 2-series aluminum alloy is an aluminum-containing alloy taking copper as a main alloy element, the copper content is generally 3% -5%, manganese, magnesium, lead and bismuth elements are added for enhancing the machinability, but the intergranular corrosion tendency is serious, and the 2-series aluminum alloy is suitable for the aviation industry, screws and industries with higher service temperature; the 3-series aluminum alloy is an aluminum alloy taking manganese as a main alloy element, the manganese content is generally 1.0-1.5%, the aluminum alloy cannot be strengthened by heat treatment, has good corrosion resistance, good welding performance and low strength, and is suitable for oil-guiding seamless pipes and pop cans used on airplanes; the 4 series aluminum alloy is an aluminum alloy taking silicon as a main alloy element, the silicon content is 4.5-6%, and the series alloy is mainly used for manufacturing an additive material for aluminum alloy welding, such as a brazing plate, a welding rod, a welding wire and the like, and is also used for manufacturing pistons, heat-resistant parts, building materials and decorative parts because the series alloy has high silicon content, low melting point and good melt fluidity, is easy to feed and cannot cause brittleness of a final product; the 5-series aluminum alloy is an aluminum alloy taking magnesium as a main alloy element, has the magnesium content of 3-5%, is low in density, high in tensile strength, high in elongation, good in welding performance and good in fatigue strength, and is suitable for handles of mowers, aircraft tank conduits and the like; the 6-series aluminum alloy is an aluminum alloy taking magnesium and silicon as main alloy elements and can be used for manufacturing automobile luggage racks, doors, windows, automobile bodies, radiating fins and the like; the alloy element in the 7-series aluminum alloy is mainly zinc and can be used for manufacturing bearing members, landing gears, propellers and the like of airplanes; 8-series aluminum alloys are generally used as aluminum foils; 9 series aluminum alloy is used as a spare aluminum alloy.

The application range of the existing copper-aluminum composite plate strip is wider than that of a single aluminum plate and a single copper plate, particularly, the substitution degree of the copper plate is higher, the cost is lower when the copper-aluminum composite plate strip is used for coping with signal transmission, but the effect is basically the same as that of the single copper plate, but the copper-aluminum composite plate strip still has certain defects, and the requirement cannot be well met due to insufficient strength when the copper-aluminum composite plate strip is used for coping with long-distance high-frequency signal transmission, particularly, the problem of insufficient mechanical strength is easily met when long-distance high-frequency signal transmission equipment using the simple copper-aluminum composite plate strip or material is used in windy and snowy weather.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a metal plate of a copper-aluminum composite high-strength steel wire and a preparation method thereof.

A metal plate with high-strength Cu-Al steel wires is made up of Cu-Al plate band and Al-Al plate band through combining them together.

Further, the aluminum plate strip is made of 1-series, 3-series, 4-series, 5-series, or 6-series aluminum alloy.

Furthermore, a row of a plurality of steel wires laid along the width direction of the aluminum plate strip are compounded in the aluminum plate strip, the length direction of the steel wires is consistent with that of the aluminum plate strip, and the error of the distance between every two adjacent steel wires is +/-2 mm.

Further, the thickness of the aluminum plate strip is 4-16 mm.

Further, the thickness of the copper plate strip is 0.1-2 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire, semi-molten aluminum alloy and a solid copper plate strip to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire; liquefying the aluminum alloy; degreasing the copper plate and strip, and polishing the single surface of the copper plate and strip on line by a polishing roller until no oxide layer exists on the single surface;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip, the steel wire and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip without an oxide layer faces to the semi-molten aluminum alloy. The feeding angle of the steel wire is controlled, namely the position of the steel wire in the semi-molten aluminum alloy can be controlled, the steel wire can be embedded into the surface of the semi-molten aluminum alloy at the beginning and then is further pressed into the semi-molten aluminum alloy by the copper plate strip, so that the semi-molten aluminum alloy wraps the steel wire, the steel wire can also be directly inserted into the semi-molten aluminum alloy, and then the semi-molten aluminum alloy and the copper plate strip are further rolled.

Further, liquefying the aluminum alloy at the temperature of 720-850 ℃, refining and degassing to obtain the aluminum alloy liquid.

Further, the casting and rolling speed is 0.5-1.2 m/min.

Further, the casting pressure is (0.5-2.5). times.10⁷N。

Compared with the prior art, the invention has the beneficial effects that: the steel wire is compounded in the aluminum layer in the copper-aluminum metal composite plate, so that the application range of the material is wider, the metal composite plate belt of aluminum and copper concentrates respective advantages of copper and aluminum, especially when the scene of coping with high frequency and large consumption of conductive materials is realized, because the unit price of the aluminum material is far lower than that of the copper material, the copper-aluminum metal composite plate has the advantages of low use cost and good conductive effect, and further, when a long-distance high-frequency power transmission device is built, the metal plate of the copper-aluminum composite high-strength steel wire compounded with the steel wire in the aluminum layer has the advantages of high strength, high transmission efficiency and low construction cost, and has huge social benefits.

Drawings

FIG. 1: the schematic cross-sectional view of a metal plate of the copper-aluminum composite high-strength steel wire in the embodiment 1.

FIG. 2: the schematic cross-sectional view of a metal plate of the copper-aluminum composite high-strength steel wire in embodiment 2.

FIG. 3: the schematic cross-sectional view of the metal plate of the copper-aluminum composite high-strength steel wire in the embodiment 3.

FIG. 4: the schematic cross-sectional view of the metal plate of the copper-aluminum composite high-strength steel wire in the embodiment 4.

FIG. 5: the schematic cross-sectional view of a metal plate of the copper-aluminum composite high-strength steel wire in embodiment 5.

In the figure: 1. aluminum plate strip, 2 copper plate strip and 3 steel wire.

Detailed Description

The present invention is explained, but not limited to, and the technical solutions obtained in the light of the idea of the present invention should be included in the scope of protection of the present patent.

Example 1

A metal plate of copper-aluminum composite high-strength steel wires is characterized in that steel wires 3 are compounded in aluminum strips 1 in copper-aluminum composite plate strips obtained by compounding copper strips 2 and aluminum strips 1.

Further, the aluminum plate strip 1 is made of 1050 aluminum alloy.

Furthermore, a row of 19 steel wires 3 laid along the width direction of the aluminum plate strip 1 is compounded in the aluminum plate strip 1, the length direction of the steel wires 3 is consistent with the length direction of the aluminum plate strip 1, the error of the distance between every two adjacent steel wires 3 is +/-2 mm, and the width of the aluminum plate strip is 200 mm.

Further, the thickness of the aluminum plate strip 1 is 4 mm.

Further, the thickness of the copper plate strip 2 was 0.1 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire 3, a semi-molten aluminum alloy and a solid copper plate strip 2 to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire 3; liquefying the aluminum alloy; degreasing the copper plate strip 2, and carrying out single-side online polishing on the copper plate strip by using a polishing roller until no oxide layer exists on the single side;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip 2, the steel wire 3 and the semi-molten aluminum alloy into a rolling mill for oxygen-free continuous compounding and cast rolling, wherein the surface of the copper plate strip 2 without the oxide layer faces the semi-molten aluminum alloy.

Further, the aluminum alloy is liquefied at a temperature of 720 ℃ and refined and degassed to obtain an aluminum alloy liquid.

Further, the casting speed was 1.2 m/min.

Further, the casting pressure was 5X 10⁶N。

Example 2

A metal plate of copper-aluminum composite high-strength steel wires is characterized in that steel wires 3 are compounded in aluminum strips 1 in copper-aluminum composite plate strips obtained by compounding copper strips 2 and aluminum strips 1.

Further, the aluminum plate strip 1 is made of 3003 aluminum alloy.

Furthermore, a row of 9 steel wires 3 laid along the width direction of the aluminum plate strip 1 is compounded in the aluminum plate strip 1, the length direction of the steel wires 3 is consistent with that of the aluminum plate strip 1, the error of the distance between every two adjacent steel wires 3 is +/-2 mm, and the width of the aluminum plate strip is 200 mm.

Further, the thickness of the aluminum plate strip 1 was 16 mm.

Further, the thickness of the copper plate strip 2 is 2 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire 3, a semi-molten aluminum alloy and a solid copper plate strip 2 to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire 3; liquefying the aluminum alloy; degreasing the copper plate strip 2, and carrying out single-side online polishing on the copper plate strip by using a polishing roller until no oxide layer exists on the single side;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip 2, the steel wire 3 and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip 2 without an oxide layer faces the semi-molten aluminum alloy.

Further, the aluminum alloy is liquefied at a temperature of 850 ℃ and refined and degassed to obtain an aluminum alloy liquid.

Further, the casting speed was 0.5 m/min.

Further, the casting pressure was 2.5X 10⁷N。

Example 3

A metal plate of copper-aluminum composite high-strength steel wires is characterized in that steel wires 3 are compounded in aluminum strips 1 in copper-aluminum composite plate strips obtained by compounding copper strips 2 and aluminum strips 1.

Furthermore, the aluminum plate strip 1 is made of 4032 aluminum alloy.

Furthermore, a row of 4 steel wires 3 laid along the width direction of the aluminum plate strip 1 is compounded in the aluminum plate strip 1, the length direction of the steel wires 3 is consistent with that of the aluminum plate strip 1, the error of the distance between every two adjacent steel wires 3 is +/-2 mm, and the width of the aluminum plate strip is 200 mm.

Further, the thickness of the aluminum plate strip 1 is 7 mm.

Further, the thickness of the copper plate strip 2 was 0.6 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire 3, a semi-molten aluminum alloy and a solid copper plate strip 2 to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire 3; liquefying the aluminum alloy; degreasing the copper plate strip 2, and carrying out single-side online polishing on the copper plate strip by using a polishing roller until no oxide layer exists on the single side;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip 2, the steel wire 3 and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip 2 without an oxide layer faces the semi-molten aluminum alloy.

Further, the aluminum alloy is liquefied at a temperature of 750 ℃ and refined and degassed to obtain an aluminum alloy liquid.

Further, the casting speed was 0.7 m/min.

Further, the casting pressure is1.0×10⁷N。

Example 4

A metal plate of copper-aluminum composite high-strength steel wires is characterized in that steel wires 3 are compounded in aluminum strips 1 in copper-aluminum composite plate strips obtained by compounding copper strips 2 and aluminum strips 1.

Further, the aluminum plate strip 1 is made of 5005 aluminum alloy.

Furthermore, a row of 7 steel wires 3 laid along the width direction of the aluminum plate strip 1 is compounded in the aluminum plate strip 1, the length direction of the steel wires 3 is consistent with that of the aluminum plate strip 1, the error of the distance between every two adjacent steel wires 3 is +/-2 mm, and the width of the aluminum plate strip is 200 mm.

Further, the thickness of the aluminum plate strip 1 was 10 mm.

Further, the thickness of the copper plate strip 2 is 1.1 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire 3, a semi-molten aluminum alloy and a solid copper plate strip 2 to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire 3; liquefying the aluminum alloy; degreasing the copper plate strip 2, and carrying out single-side online polishing on the copper plate strip by using a polishing roller until no oxide layer exists on the single side;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip 2, the steel wire 3 and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip 2 without an oxide layer faces the semi-molten aluminum alloy.

Further, the aluminum alloy was liquefied at a temperature of 780 ℃ and refined to degas to obtain an aluminum alloy liquid.

Further, the casting speed was 0.9 m/min.

Further, the casting pressure was 1.5X 10⁷N。

Example 5

A metal plate of copper-aluminum composite high-strength steel wires is characterized in that steel wires 3 are compounded in aluminum strips 1 in copper-aluminum composite plate strips obtained by compounding copper strips 2 and aluminum strips 1.

Further, the aluminum plate strip 1 is made of 6005 aluminum alloy.

Furthermore, a row of 3 steel wires 3 laid along the width direction of the aluminum plate strip 1 is compounded in the aluminum plate strip 1, the length direction of the steel wires 3 is consistent with that of the aluminum plate strip 1, the error of the distance between every two adjacent steel wires 3 is +/-2 mm, and the width of the aluminum plate strip is 200 mm.

Further, the thickness of the aluminum plate strip 1 was 13 mm.

Further, the thickness of the copper plate strip 2 is 1.6 mm.

A method for preparing a metal plate of a copper-aluminum composite high-strength steel wire comprises the steps of carrying out anaerobic continuous casting and rolling on a steel wire 3, a semi-molten aluminum alloy and a solid copper plate strip 2 to prepare the metal plate of the copper-aluminum composite high-strength steel wire.

Further, the method comprises the following steps:

a. preparation work is carried out: carrying out surface non-oxidation treatment on the steel wire 3; liquefying the aluminum alloy; degreasing the copper plate strip 2, and carrying out single-side online polishing on the copper plate strip by using a polishing roller until no oxide layer exists on the single side;

b. carrying out anaerobic continuous casting and rolling: and cooling the aluminum alloy to a semi-molten state, and then feeding the copper plate strip 2, the steel wire 3 and the semi-molten aluminum alloy into a rolling mill for anaerobic continuous casting and rolling, wherein the surface of the copper plate strip 2 without an oxide layer faces the semi-molten aluminum alloy.

Further, the aluminum alloy was liquefied at a temperature of 810 ℃ and refined to degas to obtain an aluminum alloy liquid.

Further, the casting speed was 1.1 m/min.

Further, the casting pressure was 2.0X 10⁷N。