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Copper-nickel 19 metal wire and preparation method thereof

A metal wire, copper-nickel technology, which is applied in the field of copper-nickel 19 metal wire and its preparation, can solve the problems such as unsatisfactory various properties, achieve the effect of reducing burrs, reducing wire breakage rate, and meeting market demand

Inactive Publication Date: 2012-12-12
常丰(无锡)金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The alloy has excellent comprehensive mechanical properties, corrosion resistance, and is easy to cut, but its various properties still cannot meet the existing needs.

Method used

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  • Copper-nickel 19 metal wire and preparation method thereof
  • Copper-nickel 19 metal wire and preparation method thereof
  • Copper-nickel 19 metal wire and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Copper nickel 19 wire consists of 18% Ni, 0.6% Mn, 1% Fe, 0.1% Al, 0.5% Si, 0.01% Sn, 0.01% B, 0.001% Re, and 79.779% Copper composition.

[0046] Copper Nickel 19 wire was prepared by the following method:

[0047] (1) Mix and melt the raw materials, peel and forge the obtained ingot;

[0048] (2) After drawing the forged billet to obtain a filament with a diameter of 4.0mm, draw it again to obtain a filament with a diameter of 1.0mm, then anneal it, draw it again to obtain a filament with a diameter of 0.3mm, anneal it, and draw it again The filaments with a diameter of 0.15 mm are pulled out and then annealed to finally obtain filaments with a diameter of 0.15 mm.

Embodiment 2

[0050] Copper nickel 19 wire is made of 20% Ni, 0.01% Mn, 0.1% Fe, 1% Al, 0.01% Si, 1% Sn, 0.5% B, 0.1% Re, and 77.28% Copper composition.

[0051] Copper Nickel 19 wire was prepared by the following method:

[0052] (1) Mix and melt the raw materials, peel and forge the obtained ingot;

[0053] (2) After drawing the forged billet to obtain a filament with a diameter of 8.0mm, draw it again to obtain a filament with a diameter of 6.0mm, then anneal, repeat drawing and annealing 6 times, and finally obtain a filament with a diameter of 0.05mm .

Embodiment 3

[0055] Copper nickel 19 wire is made of 19% Ni, 0.1% Mn, 0.6% Fe, 0.2% Al, 0.01% Si, 0.08% Sn, 0.06% B, 0.003% Re, 0.02% Ce , and 79.927% copper composition.

[0056] Copper Nickel 19 wire was prepared by the following method:

[0057] (1) Mix and melt the raw materials, peel and forge the obtained ingot;

[0058] (2) After drawing the forged billet to obtain a filament with a diameter of 6.0mm, draw it again to obtain a filament with a diameter of 4.0mm, then anneal, repeat drawing and annealing 3 times, and finally obtain a filament with a diameter of 0.1mm .

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Abstract

The invention relates to the field of copper-nickel alloy, in particular to a copper-nickel 19 metal wire and a preparation method thereof. The copper-nickel 19 metal wire comprises 18 to 20% of Ni, 0.01 to 0.6% Mn, 0.1 to 1% of Fe, 0.1 to 1% of Al, 0.01 to 0.5% of Si, 0.01 to 1% of Sn, 0.01 to 0.5% of B, 0.001 to 0.1% Re, and the balance being copper. The preparation method of the copper-nickel 19 metal wire comprises the following steps of: carrying out combined smelting according to a formula, recipe, peeling the obtained ingot, and forging; and drawing the forged blank, repeatedly drawing and annealing at least two times until the copper-nickel 19 metal wire with the required specification is obtained. The copper-nickel 19 metal wire prepared by the method has excellent corrosion resistance, high tensile strength and elongation, and has resistivity of about 0.25 omega . mm2 / m.

Description

technical field [0001] The invention relates to the field of copper-nickel alloys, in particular, the invention relates to a copper-nickel 19 metal wire and a preparation method thereof. Background technique [0002] Copper-nickel alloy, also known as white copper, is a copper-based alloy with nickel as the main additive element. The positions of copper and nickel in the periodic table of elements are close, the atomic radius is very little difference, both are face-centered cubic lattices, so the two can dissolve each other infinitely, and the alloy prepared in any proportion is a single solid solution organization, containing other elements Most of the complex copper-nickel alloys are also a single solid solution organization. [0003] Studies have shown that after adding nickel, the plasticity of copper does not decrease much, but the strength increases significantly. In other words, due to the addition of nickel, nickel-nickel has a series of excellent characteristics:...

Claims

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Application Information

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IPC IPC(8): C22C9/06C22C1/02C22F1/08C21D8/06
Inventor 周丹孙科军
Owner 常丰(无锡)金属制品有限公司
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