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High conductivity copper clad aluminum magnesium alloy wire

A copper-clad aluminum-magnesium and aluminum-magnesium alloy technology, applied in the direction of metal/alloy conductors, conductors, conductive materials, etc., can solve the problem of poor electrical conductivity of copper-clad aluminum-magnesium alloy wires, high cost of pure copper wires, poor corrosion resistance, etc. problem, to achieve excellent shielding effect, ensure electrical conductivity, and good electrical conductivity.

Inactive Publication Date: 2017-07-14
浙江恒久电讯设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-conductivity copper wire with high electrical conductivity and good mechanical properties in order to solve the defects of poor electrical conductivity, poor corrosion resistance, high cost of pure copper wire and shortage of resources in the existing copper-clad aluminum-magnesium alloy wire. Aluminum-magnesium alloy wire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high-conductivity copper-clad aluminum-magnesium alloy wire, the alloy wire is an aluminum-magnesium alloy core coated concentrically with a copper layer, and the composition of the aluminum-magnesium alloy core is calculated by weight percentage: 94% aluminum, 3.9% magnesium, 0.3% of silicon, 0.3% of manganese, 0.2% of titanium, 0.2% of iron, 0.2% of molybdenum, 0.6% of tungsten and 0.3% of rare earth elements, the volume ratio of the copper layer in the high conductivity copper-clad aluminum-magnesium alloy wire is 5%. Rare earth elements are selected from lanthanum and scandium.

[0019] After melting the raw materials of the aluminum-magnesium alloy core, it is continuously smelted and drawn at 845°C to obtain an alloy rod blank with a wire diameter of 9.2mm, which is rounded, cleaned, roughened, coated by electroplating, drawn and combined, and annealed. , the annealing temperature is 480°C, the time is 3-15s, and the drawing annealing is continued, the annealing...

Embodiment 2

[0022] A high-conductivity copper-clad aluminum-magnesium alloy wire, the alloy wire is an aluminum-magnesium alloy core coated concentrically with a copper layer, and the composition of the aluminum-magnesium alloy core is calculated by weight percentage: 95.85% aluminum, 2.5% magnesium, 0.2% silicon, 0.2% manganese, 0.15% titanium, 0.15% iron, 0.4% molybdenum, 0.4% tungsten and 0.15% rare earth elements, the volume ratio of the copper layer in the high conductivity copper-clad aluminum-magnesium alloy wire is 8%. The rare earth elements are selected from thulium and ytterbium.

[0023] After melting the raw materials of the aluminum-magnesium alloy core, it is continuously smelted and drawn at 900°C to obtain an alloy rod blank with a wire diameter of 9.2mm, which is rounded, cleaned, roughened, coated by electroplating, drawn and combined, and annealed. , the annealing temperature is 500°C, the time is 3-15s, and the drawing annealing is continued, the annealing temperature...

Embodiment 3

[0026] A high-conductivity copper-clad aluminum-magnesium alloy wire, the alloy wire is an aluminum-magnesium alloy core coated concentrically with a copper layer, and the composition of the aluminum-magnesium alloy core is calculated by weight percentage: 96.6% of aluminum, 2.1% of magnesium, 0.1% silicon, 0.1% manganese, 0.1-0.2% titanium, 0.1% iron, 0.3% molybdenum, 0.5% tungsten and 0.1% rare earth element, the volume ratio of the copper layer in the high conductivity copper-clad aluminum-magnesium alloy wire is 10%. The rare earth elements are selected from thulium, ytterbium, and lutetium.

[0027] After melting the raw materials of the aluminum-magnesium alloy core, it is continuously smelted and drawn at 945°C to obtain an alloy rod blank with a wire diameter of 9.2mm, which is rounded, cleaned, roughened, coated by electroplating, drawn and combined, and annealed. , the annealing temperature is 520°C, the time is 3-15s, and the drawing annealing is continued, the anne...

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Abstract

The invention relates to a high conductivity copper clad aluminum magnesium alloy wire. The surface of the aluminum magnesium alloy core of the alloy wire is concentrically coated with a copper layer, and the aluminum magnesium alloy core comprises the following ingredients calculated by weight percentage: aluminum 94-96.6%, magnesium 2.1-3.9%, silicon 0.1-0.3%, manganese 0.1-0.3%, titanium 0.1-0.2%, iron 0.1-0.2%, molybdenum 0.2-0.4%, tungsten 0.4-0.6% and rare earth elements 0.1-0.3%. The volume ratio of the copper layer of the high conductivity copper clad aluminum magnesium alloy wire is 5-10%. The high conductivity copper clad aluminum magnesium alloy wire has good conductivity and good mechanical properties; the proportion of pure copper is decreased, therefore, the production costs are reduced; the rare earth elements are added, therefore, the influence of harmful impurities are eliminated; and the refined grain strengthens the function of the matrix, therefore, tthe mechanical strength, corrosion resistance and processability of the material are improved, and the conductivity is guaranteed.

Description

technical field [0001] The invention relates to a wire rod, which belongs to the technical field of conductive materials, in particular to a copper-clad aluminum-magnesium alloy wire with high conductivity and high conductivity. Background technique [0002] Since the mid-1990s, with the rapid development of the economy, due to the increasingly serious problems of the world's energy and resource crises and environmental pollution, the development of magnesium alloy materials and Applications are getting more and more attention from all over the world. Magnesium alloy has the smallest density, high specific strength and specific stiffness, abundant resources, good electromagnetic shielding, radiation resistance, small thermal neutron capture cross section, good hot formability, easy machining, good mechanical properties and damping and vibration reduction. The unique properties such as noise reduction ability have attracted widespread attention, and a global upsurge in the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/02H01B5/02C22C21/08C25D7/06C22F1/00
CPCH01B1/023C22C21/08C22F1/00C25D7/0607H01B5/02
Inventor 杨武
Owner 浙江恒久电讯设备制造有限公司
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