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Aluminum alloy material for metal linkage armored cable

An aluminum alloy material, aluminum alloy technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor toughness, difficult processing, high strength of steel strips, improve elongation performance and yield strength, improve machinability, Excellent anti-compression effect

Active Publication Date: 2011-11-16
ANHUI JOY SENSE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The metal material of the metal interlocking armor layer can be copper tape, steel tape or aluminum alloy tape. The cost of using copper tape armor is too high, and it is not suitable for large-scale promotion, while steel tape has high strength, poor toughness, and is not easy to process. , especially this kind of chain processing, and the steel belt is not corrosion-resistant, heavy, and not resistant to electromagnetic interference

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An aluminum alloy material for cable armor, the composition and percentage content are: 0.5wt% Fe, 1.5wt% Mg, 0.2wt% Cu, 1wt% Si, 0.05wt% Zn, 0.5wt% or less B, also contains one or at least two of Ti, Mn, V, Cr, the total content is not more than 1wt%, and the rest is aluminum and unavoidable impurities. The above composition is smelted, cast into bars, extruded into bars, and then subjected to aging treatment to obtain a product. The aging treatment process can be heating the workpiece to 100°C for 20 hours before finishing. The tensile strength of the aluminum alloy material is ≥260Mpa, and the elongation at break is ≥10%. The cable will not break down when subjected to a pressure of 9000N, and the cable will not break down when subjected to an impact force of 22.7kg. It will withstand a tensile force of 667N. Will not crack.

[0018]

Embodiment 2

[0020] An aluminum alloy material for cable armor, the composition and percentage content are: 3wt% Fe, 0.1wt% Mg, 1wt% Cu, 0.2wt% Si, 1wt% Zn, 0.5wt% or less B, It also contains 0.23wt% Ti, 0.14wt% Mn, and the rest is aluminum and unavoidable impurities. The above composition is smelted, cast into bars, extruded into bars, and then subjected to aging treatment to obtain a product. The aging treatment process can be heating the workpiece to 150°C and keeping it for 5 hours before finishing. The tensile strength of the aluminum alloy material is ≥300Mpa, and the elongation at break is ≥12%. The cable will not break down when subjected to a pressure of 9000N, and the cable will not break down when subjected to an impact force of 25.7kg. It will withstand a tensile force of 690N. Will not crack.

[0021]

Embodiment 3

[0023] An aluminum alloy material for cable armor, the composition and percentage content are: 1wt% Fe, 0.8wt% Mg, 0.5wt% Cu, 0.5wt% Si, 0.6wt% Zn, 0.5wt% or less B, also contains 0.43wt% V, 0.39wt% Cr, and the rest is aluminum and unavoidable impurities. The above composition is smelted, cast into bars, extruded into bars, and then subjected to aging treatment to obtain a product. The aging treatment process can be heating the workpiece to 120°C for 10 hours before finishing. The tensile strength of the aluminum alloy material is ≥280Mpa, and the elongation at break is ≥10%. The cable will not break down when subjected to a pressure of 9200N, and the cable will not break down when subjected to an impact force of 26.7kg. It will withstand a tensile force of 680N. Will not crack.

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Abstract

The invention discloses an aluminum alloy material for a metal linkage armored cable. The aluminum alloy comprises the following components based on percentage: 0.5-3 wt% of Fe, 0.1-1.5 wt% of Mg, 0.2-1 wt% of Cu, 0.2-1 wt% Si, 0.05-1 wt% of Zn and less than 0.5 wt% of B and further comprises one or at least two of Ti, Mn, V and Cr with a total content of not more than 1 wt%, and the balance of aluminum and unavoidable impurities. The aluminum alloy material is prepared by smelting, strip-casting, strip-extruding and thermal aging treatment; the prepared aluminum alloy has higher tensile strength and better ductility; the aluminum alloy material for a cable armored material has higher compressive strength and dynamic resistance; and the mechanical strength of an armored protective layer is remarkably increased.

Description

[0001] technical field [0002] The invention belongs to the technical field of electric wires and cables, and in particular relates to an armoring material for cable armoring. [0003] Background technique [0004] Metal chain armoring is a new type of armoring method, which has changed the traditional armoring method. The adjacent layers of the armoring tape can realize self-locking interlocking, so this armoring method has greatly changed the steel tape armoring method. The defects of the equipment are eliminated, and the performance is better. The metal material of the metal interlocking armor layer can be copper tape, steel tape or aluminum alloy tape. The cost of using copper tape armor is too high, and it is not suitable for large-scale promotion, while steel tape has high strength, poor toughness, and is not easy to process. , especially this kind of chain processing, and the steel belt is not corrosion-resistant, heavy, and not resistant to electromagnetic interfe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00H01B7/22
Inventor 林泽民
Owner ANHUI JOY SENSE CABLE
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