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High strength heat resistant aluminum alloy wire

An aluminum alloy wire, high-strength technology, applied in the direction of metal/alloy conductors, conductive materials, conductive materials, etc., can solve the problems of high cost investment, tight wire corridors, long construction period, etc., to improve processing performance and reduce cracks source, the effect of improving liquidity

Inactive Publication Date: 2016-10-26
JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the capacity expansion and reconstruction project, if the reconstruction of the entire line requires land requisition and channel cutting, this will lead to excessive investment, long construction period, and tight corridors

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: A high-strength heat-resistant aluminum alloy wire, the high-strength heat-resistant aluminum alloy wire is obtained through the following process, which includes the following steps:

[0025] Step 1. Put 100 parts of aluminum ingots into an aluminum melting furnace for smelting, and control the temperature of the molten aluminum in the furnace to ≤760°C;

[0026] Step 2. Transfer the smelted molten aluminum to the holding furnace. When the temperature of the molten aluminum in the holding furnace is 740±10°C, add 0.04 parts of silicon, 1.1 parts of iron, 0.2 parts of copper, 0.1 parts of rare earth elements, and 0.02 parts of boron to the molten aluminum. parts, 0.012 parts of titanium, and 0.012 parts of beryllium, stirred for 30 minutes, so that the composition of the aluminum liquid is fully uniform, and the rare earth elements are composed of lanthanum, cerium and scandium, and the lanthanum, cerium and scandium are mixed according to the ratio of 14:6...

Embodiment 2

[0034] Embodiment 2: A high-strength heat-resistant aluminum alloy wire, the high-strength heat-resistant aluminum alloy wire is obtained through the following process, which includes the following steps:

[0035] Step 1. Put 100 parts of aluminum ingots into an aluminum melting furnace for smelting, and control the temperature of the molten aluminum in the furnace to ≤760°C;

[0036] Step 2. Transfer the smelted molten aluminum to the holding furnace. When the temperature of the molten aluminum in the holding furnace is 740±10°C, add 0.045 parts of silicon, 1 part of iron, 0.25 parts of copper, 0.085 parts of rare earth elements, and 0.018 parts of boron to the molten aluminum. parts, 0.02 parts of titanium, and 0.02 parts of beryllium, stirred for 30 minutes, so that the composition of the aluminum liquid is fully uniform, and the rare earth elements are composed of lanthanum, cerium and scandium, and the lanthanum, cerium and scandium are mixed according to the ratio of 14:6...

Embodiment 3

[0045] Embodiment 3: A high-strength heat-resistant aluminum alloy wire, the high-strength heat-resistant aluminum alloy wire is obtained through the following process, which includes the following steps:

[0046] Step 1. Put 100 parts of aluminum ingots into an aluminum melting furnace for smelting, and control the temperature of the molten aluminum in the furnace to ≤760°C;

[0047] Step 2. Transfer the smelted molten aluminum to the holding furnace. When the temperature of the molten aluminum in the holding furnace is 740±10°C, add 0.06 parts of silicon, 1.2 parts of iron, 0.22 parts of copper, 0.09 parts of rare earth elements, and 0.025 parts of boron to the molten aluminum. parts, 0.018 parts of titanium, and 0.018 parts of beryllium, stirred for 30 minutes, so that the composition of the aluminum liquid is fully uniform, and the rare earth elements are composed of lanthanum, cerium and scandium, and the lanthanum, cerium and scandium are mixed according to the ratio of 1...

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Abstract

The invention discloses a high strength heat resistant aluminum alloy wire. The high strength heat resistant aluminum alloy wire is manufactured according to steps as follows, 100 parts of aluminum ingot are put in an aluminum melting furnace for melting; aluminum liquid after melting is injected to a holding furnace, when temperature of the aluminum liquid is kept at 740+ / -10 DEG C, silicon, iron, copper, rare earth, boron, titanium and beryllium are added to the aluminum liquid, and the mixed liquid is stirred to be in a uniform state; after casting, a casting blank is aligned and heated, temperature of the casting blank before rolling is controlled to be in a range of 520-540 DEG C; an aluminum alloy rod coming out of a rolling mill is rapidly cooled through water or dilute emulsion; before the aluminum rod enters a take-up frame, the surface of the aluminum rod is dried through compressed air, the aluminum rod is cleaned and dried, and the aluminum rod cools down naturally. The high strength heat resistant aluminum alloy wire is advantaged in that crack sources of the aluminum alloy are reduced, strength of the aluminum alloy is improved, and processing performance is improved.

Description

technical field [0001] The invention relates to an aluminum alloy wire, in particular to a high-strength heat-resistant aluminum alloy wire. Background technique [0002] With the sustained and rapid development of my country's national economy, the demand for electricity has also increased sharply. Power transmission lines are required to develop in the direction of high current and ultra-high voltage, which requires increasing the transmission capacity of wires. With my country's continuous strengthening of the construction of the transmission grid, the continuous extension of the Three Gorges transmission project line, west-east power transmission, north-south mutual supply, national networking, and the transformation of old lines that have been in operation for decades, the country urgently needs to build a network that can meet The most reliable, safest, and energy-saving power grid required by industrial and agricultural development. In the capacity-enhancing reconstr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/02H01B13/00C22C1/02C22C1/06
CPCB21C37/04B22D11/045B23P15/00C22C1/026C22C1/06C22C21/00C22F1/04H01B1/023H01B13/00
Inventor 蔺亚强李名珍马军潘健
Owner JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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