Super strength aluminum alloy core overhead conductor and aluminum alloy core manufacturing method

An ultra-high-strength, overhead wire technology, applied in the direction of cable/conductor manufacturing, power cables for overhead applications, conductors, etc., can solve the problem of increasing material costs and production and installation costs, reducing tension-to-weight ratios, and large cross-sections of reinforcing cores, etc. problems, to achieve the effect of improving service life and line safety performance, increasing tension-to-weight ratio, and increasing gear distance

Active Publication Date: 2017-10-10
BINZHOU YUYANG ALUMINUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The aluminum alloy core aluminum stranded wire adopts LHA1 or LHA2 type aluminum-magnesium-silicon alloy round wire stranded wire core as the strengthening core. Since the tensile strength of the aluminum-magnesium-silicon alloy round wire is 295MPa-325Mpam, it is required for the design of overhead lines , the cross-section of the reinforcing core needs to be very large, which increases the cost of materials

Method used

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  • Super strength aluminum alloy core overhead conductor and aluminum alloy core manufacturing method

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Comparison scheme
Effect test

Embodiment 1

[0056] The manufacturing process of the ultra-high strength aluminum alloy core is as follows:

[0057] Step 1: Preparation of Aluminum Master Alloy Particles

[0058] Prepare an aluminum master alloy ingot, wherein, by weight percentage, Si accounts for 5% in the aluminum-silicon master alloy ingot, Fe accounts for 20% in the aluminum-iron master alloy ingot, Cu accounts for 20% in the aluminum-copper master alloy ingot, and the aluminum-scandium master alloy ingot Sc accounts for 20% in aluminum-zirconium master alloy ingots, Zr accounts for 10% in aluminum-magnesium master alloy ingots, Mg in aluminum-magnesium master alloy ingots accounts for 10%, Nd in aluminum-neodymium master alloy ingots accounts for 10%, and Nb in aluminum-niobium master alloy ingots accounts for 10%. Ce accounts for 10% of aluminum-cerium master alloy ingot, Yi accounts for 10% of aluminum-ytterbium master alloy ingot, Li accounts for 10% of aluminum-lithium master alloy ingot, Zn accounts for 10% of...

Embodiment 2

[0089] The manufacturing process of the ultra-high strength aluminum alloy core is as follows:

[0090] Step 1: Preparation of Aluminum Master Alloy Particles

[0091] Prepare an aluminum master alloy ingot, wherein, by weight percentage, Si accounts for 5% in the aluminum-silicon master alloy ingot, Fe accounts for 20% in the aluminum-iron master alloy ingot, Cu accounts for 20% in the aluminum-copper master alloy ingot, and the aluminum-scandium master alloy ingot Sc accounts for 20% in aluminum-zirconium master alloy ingots, Zr accounts for 10% in aluminum-magnesium master alloy ingots, Mg in aluminum-magnesium master alloy ingots accounts for 10%, Nd in aluminum-neodymium master alloy ingots accounts for 10%, and Nb in aluminum-niobium master alloy ingots accounts for 10%. Ce accounts for 10% of aluminum-cerium master alloy ingot, Yi accounts for 10% of aluminum-ytterbium master alloy ingot, Li accounts for 10% of aluminum-lithium master alloy ingot, Zn accounts for 10% of...

Embodiment 3

[0122] The manufacturing process of the ultra-high strength aluminum alloy core is as follows:

[0123] Step 1: Preparation of Aluminum Master Alloy Particles

[0124] Prepare an aluminum master alloy ingot, wherein, by weight percentage, Si accounts for 5% in the aluminum-silicon master alloy ingot, Fe accounts for 20% in the aluminum-iron master alloy ingot, Cu accounts for 20% in the aluminum-copper master alloy ingot, and the aluminum-scandium master alloy ingot Sc accounts for 20% in aluminum-zirconium master alloy ingots, Zr accounts for 10% in aluminum-magnesium master alloy ingots, Mg in aluminum-magnesium master alloy ingots accounts for 10%, Nd in aluminum-neodymium master alloy ingots accounts for 10%, and Nb in aluminum-niobium master alloy ingots accounts for 10%. Ce accounts for 10% of aluminum-cerium master alloy ingot, Yi accounts for 10% of aluminum-ytterbium master alloy ingot, Li accounts for 10% of aluminum-lithium master alloy ingot, Zn accounts for 10% of...

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Abstract

The invention relates to a super strength aluminum alloy core overhead conductor and an aluminum alloy core manufacturing method. Compared with the prior art, according to the super strength aluminum alloy core overhead conductor, multiple elements are adopted for alloying, and a super strength aluminum alloy core is manufactured; the super strength aluminum alloy core which is excellent in decay resistance, large in creep resistance and excellent in strength of extension and conductivity in the length direction is adopted for serving a reinforced core force bearing piece and an electric conductor at the same time; and a conductor is stranded to the outer layer of the super strength aluminum alloy core. According to the super strength aluminum alloy core overhead conductor in the embodiment, the tensile force weight ratio of the conductor is improved while the effective current of the conductor is improved, and the circuit carrying capacity is increased; the decay resistance of the super strength aluminum alloy core overhead conductor is excellent, the circuit service life can be prolonged, and the circuit safety performance can be improved; the construction cost of the super strength aluminum alloy core overhead conductor is low, and running is more economical; and in addition, environmental protection is better achieved during manufacturing.

Description

technical field [0001] The invention belongs to the technical field of design and manufacture of wires used in power transmission line engineering, and in particular relates to an ultra-high-strength aluminum alloy core overhead wire and a manufacturing method of the aluminum alloy core. Background technique [0002] Existing overhead conductors are classified according to the material of the structure, and are mainly divided into two types: the reinforcement core and the conductor are made of the same material, and the reinforcement core and the conductor are made of different materials. [0003] Aerial conductors with different reinforcing cores and conductive materials are mainly divided into overhead conductors with galvanized steel strands as reinforcing cores and overhead conductors with carbon fiber composite cores as reinforcing cores. The wire with galvanized steel strand as the reinforcing core is susceptible to corrosion due to the different electrode potentials o...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C1/03C22F1/053H01B5/08H01B9/00H01B13/02
CPCC22C1/026C22C1/03C22C21/10C22F1/053H01B5/08H01B9/008H01B13/02
Inventor 於国良吴振江翁澜黄新民
Owner BINZHOU YUYANG ALUMINUM IND
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