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Low-specific-resistance and high-plasticity silicon-manganese-nickel alloy wire and preparing method and application thereof

A low-resistivity, alloy wire technology, applied in the field of silicon-manganese-nickel alloy wire and its preparation, can solve the problems of fuses that cannot be used as new electric light sources, high temperature coefficient of resistance, and poor overcurrent capability, etc. Improve strength, control uniform effect

Inactive Publication Date: 2017-06-20
沈阳新海合金新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, silicon bronze alloys are mainly used as welding materials, but due to their own defects, they cannot be used as fuses for new electric light sources.
The traditional fuse materials mostly use tin-lead alloy or constantan, etc., which have disadvantages such as high resistivity, poor overcurrent capability, high temperature coefficient of resistance and poor anti-surge performance.
In addition, the product prepared by the present invention can also be used in the heating industry. The traditional copper-nickel heating wire has defects such as poor folding resistance, difficulty in stretching, and uneven resistivity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.1%, Mn=0.5%, Ni=0.41%, Zn=0.15%, Sn=0.12%, Cu balance.

[0034] The preparation process of silicon-manganese-nickel alloy wire rod in the present embodiment is as follows:

[0035] (1) Raw material preparation and ingredients:

[0036] Use pure metal Zn, Sn, Si (purity ≥ 99.95%), electrolytic manganese (purity ≥ 99.7), electrolytic nickel and cathode copper (Cu-CATH-2) as raw materials, and ensure that each raw material is clean before weighing. Among them, the cathode copper (Cu-CATH-2) is first cleaned with sulfuric acid with a concentration of 30vol.%, and the surface of the electrolytic nickel is cleaned with nitric acid with a concentration of 40vol.%. After cleaning, the cathode copper and electrolytic nickel are washed and dried to ensure that the raw materials are clean; Proportionally weigh the alloy components required for each raw material after cleaning; ...

Embodiment 2

[0052] The difference from Example 1 is:

[0053] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.21%, Mn=0.0.45%, Ni=0.42%, Zn=0.2%, Sn=0.15%, and Cu balance. The final prepared Ф0.20mm alloy wire, after testing, has a tensile strength of 276-285N / mm 2 , the elongation rate is 31.3-34.2%, the wire diameter tolerance is ≤0.002mm, and the alloy has good welding performance and folding resistance, and the resistivity is 0.161-0.163μΩ·m.

Embodiment 3

[0055] The difference from Example 1 is:

[0056] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.15%, Mn=0.4%, Ni=0.35%, Zn=0.25%, Sn=0.15%, and Cu balance. The final prepared Ф0.20mm alloy wire, after testing, has a tensile strength of 278-289N / mm 2 , the elongation rate is 31.8-33.8%, the wire diameter tolerance is ≤0.002mm, and the alloy has good welding performance and folding resistance, and the resistivity is 0.161-0.162μΩ·m.

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Abstract

The invention discloses a low-specific-resistance and high-plasticity silicon-manganese-nickel alloy wire and a preparing method and application thereof, and belongs to the technical field of nonferrous metal alloy materials. The alloy wire comprises chemical components including, by weight percent, 1.9%-2.5% of Si, 0.2%-0.7% of Mn, 0.2%-0.7% of Ni, smaller than or equal to 0.4% of Zn, smaller than or equal to 0.2% of Sn and the balance Cu. The preparing process includes the first step of raw material preparing and burdening, the second step of vacuum smelting, the third step of cast ingot forging, the fourth step of hot rolling, the fifth step of cold machining and middle process vacuum annealing and the sixth step of stretching treatment and finished product annealing. The specific resistance of the manganese-nickel alloy wire is 0.15-0.15 micron omega.m, the tensile strength is larger than or equal to 260 N / mm<2>, and the ductility is larger than or equal to 25%. The low-specific-resistance and high-plasticity silicon-manganese-nickel alloy wire and the preparing method and application thereof can be used for electric light source fuses or electron components or heating wires.

Description

technical field [0001] The invention relates to the technical field of non-ferrous metal alloy materials, in particular to a low-resistivity, high-plastic silicon-manganese-nickel alloy wire and its preparation method and application (QS i 2-0.5-0.5 alloy), the alloy wire is used in industrial products such as new electric light source fuses, electronic components, and new heating wires. Background technique [0002] Silicon bronze alloys in the prior art are mainly used as welding materials, but because of their own defects, they cannot be used as fuses for new electric light sources. The traditional fuse materials mostly use tin-lead alloy or constantan, etc., which have disadvantages such as high resistivity, poor overcurrent capability, high temperature coefficient of resistance and poor anti-surge performance. In addition, the product prepared by the invention can also be used in the heating industry. The traditional copper-nickel heating wire has defects such as poor ...

Claims

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Application Information

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IPC IPC(8): C22C9/10C22C1/10C22C1/06C22F1/08
CPCC22C9/10C22C1/06C22C1/1036C22F1/08
Inventor 薛鑫王凤新刘琳涂忠海
Owner 沈阳新海合金新材料有限公司
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