Tantalum-containing copper alloy wire/strip and preparation method thereof

A technology of copper alloy wire and copper alloy, which is applied in the field of alloy strip manufacturing, can solve problems such as difficulty in uniform dissolution of tantalum and difficulty in strip processing, and achieve the effects of good magnetic permeability, uniform distribution of alloy components, and good electrical conductivity

Active Publication Date: 2020-05-08
HENAN POLYTECHNIC UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to overcome the above-mentioned problems in the prior art that tantalum is uniformly dissolved in the copper matrix, and the strips with large width-to-thickness ratios are difficult to process, and provide a tantalum-containing copper alloy wire / strip and a preparation method thereof. Copper alloy wire / ribbon has high magnetic permeability, electrical conductivity and high strength

Method used

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  • Tantalum-containing copper alloy wire/strip and preparation method thereof
  • Tantalum-containing copper alloy wire/strip and preparation method thereof
  • Tantalum-containing copper alloy wire/strip and preparation method thereof

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preparation example Construction

[0045] In order to further understand the tantalum-containing copper alloy wire / strip of the present invention, the present invention also provides a method for preparing the tantalum-containing copper alloy wire / strip, the preparation method comprising the following steps:

[0046] S1, weigh copper-tantalum master alloy, silver, copper-iron master alloy and copper according to the ratio of raw materials, place them in a continuous casting machine filled with protective gas for high-temperature treatment, stir the alloy melt after the alloy is completely melted, and then let it stand , after being cooled by cooling water, drawing casting is carried out to obtain a continuously cast tantalum-containing copper alloy rod;

[0047] In a specific embodiment of the present invention, the preparation method of the copper-tantalum master alloy in step S1 is as follows: grind copper and tantalum into powder, mix them uniformly according to the mass ratio of 19:1, and then press the unif...

Embodiment 1

[0063] A tantalum-containing copper alloy wire / strip provided in this embodiment, the tantalum-containing copper alloy wire / strip includes the following components in mass percentage: tantalum: 0.8%, silver: 0.8%, iron: 0.02%, and the balance is copper.

[0064] A preparation method of a tantalum-containing copper alloy wire / ribbon provided in this embodiment comprises the following steps:

[0065] S1, weigh 1600g of copper-tantalum master alloy, 80g of silver, 40g of copper-iron master alloy and 8280g of copper, and place them in the graphite crucible of the vacuum intermediate frequency continuous casting machine with vertical structure. Vacuumize, and start to heat up when the vacuum degree is higher than 5.0Pa. After the temperature rises to 600°C, stop vacuuming and fill the vacuum intermediate frequency continuous casting machine with argon or nitrogen protective gas until the vacuum degree is 1.1MPa, and then heat up to Stir the alloy melt after the alloy is completely...

Embodiment 2

[0076] A tantalum-containing copper alloy wire / strip provided in this embodiment, the tantalum-containing copper alloy wire / strip includes the following components in mass percentage: tantalum: 0.4%, silver: 0.1%, iron: 0.02%, and the balance is copper.

[0077] In the preparation method of a tantalum-containing copper alloy wire / ribbon provided in this embodiment, in step S1, 800 g of copper-tantalum master alloy, 10 g of silver, 40 g of copper-iron master alloy and 9150 g of copper are weighed. Other methods and steps are the same as those in Embodiment 1, and will not be repeated here.

[0078] The magnetic permeability, electrical conductivity and strength of the tantalum-containing copper alloy wire / ribbon prepared in this example were tested, and the test standard and method were the same as those in Example 1.

[0079] The tantalum-containing copper alloy wire / ribbon prepared in this example has a width-to-thickness ratio of 10.

[0080] By testing the magnetic permea...

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Abstract

The invention provides a tantalum-containing copper alloy wire/strip comprising the following components of, by mass, 0.01%-1.0% of tantalum, 0.01%-1.0% of silver, 0.01%-0.5% of iron, and the balancecopper. The invention further provides a preparation method of the tantalum-containing copper alloy wire/strip. A continuous casting machine conducts high-temperature treatment on copper-tantalum intermediate alloy, silver, copper-iron intermediate alloy and copper, drawing casting is conducted after cooling, then repeated drawing is conducted, after micro machining, continuous heat treatment is conducted through annealing equipment, the tantalum-containing copper alloy wire is obtained, and the tantalum-containing copper alloy strip of the needed specifications is obtained through rolling ofa double-roller rolling mill. With adding of the tantalum, magnetoconductivity of the copper alloy is improved effectively, the strength of the copper alloy is improved through adding of the silver, good electroconductibility of the copper alloy wire/strip is ensured, magnetoconductivity of the copper alloy can be further enhanced through the iron element in the copper alloy, and the copper alloymaterial has good magnetoconductivity, electroconductibility and strength through the element combination of tantalum, silver, iron and copper.

Description

technical field [0001] The invention belongs to the technical field of alloy strip manufacture, and in particular relates to a tantalum-containing copper alloy wire / strip and a preparation method thereof. Background technique [0002] With the wide application of 5G electronic products, handheld terminals have higher requirements for signal and data transmission, and the wireless receiving devices of electronic terminals require conductors to have higher magnetic permeability, conductivity and strength, in order to meet the high stability of wireless connections, High data transfer characteristics. The tantalum-containing copper alloy wire / strip has the characteristics of high magnetic permeability, high conductivity and high strength. It can effectively improve the stability of signal reception in wireless receiving devices and significantly increase the data transmission speed. The tantalum-containing copper alloy material is used as an electronic The transmission conduct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C9/00B22D11/00C22F1/08B21C37/02
CPCB21C37/02B22D11/004C22C1/03C22C9/00C22F1/08
Inventor 曹军王福荣宋克兴周延军
Owner HENAN POLYTECHNIC UNIV
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