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Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof

A technology of rare earth alloys and manufacturing methods, applied in the direction of metal/alloy conductors, root rods/rods/wires/strip conductors, etc., can solve the problems of unguaranteed conductor performance and restrictions on the promotion of aluminum conductors, and achieve good strength and toughness The effect of matching, reducing defect density, and increasing conductivity

Inactive Publication Date: 2010-11-10
ANHUI JOY SENSE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The provisions of this standard are based on the summary of the actual situation of the application of aluminum conductors, and due to technical deficiencies, the performance of thinner conductors cannot be guaranteed, which greatly limits the performance of aluminum conductors. to promote

Method used

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  • Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof
  • Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof
  • Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0019] An aluminum-iron-zinc-magnesium rare-earth alloy wire, the composition and weight percentage are: 0.3-1.2% iron, for example, 0.4%, 0.5%, 0.6%, 0.7%, 0.9%, 1.1%; 0.01-0.3% % zinc, for example, can be selected as 0.05%, 0.1%, 0.2%, 0.22%; 0.01-0.4% of magnesium, for example, magnesium can be selected as 0.05%, 0.1%, 0.2%, 0.22%, 0.3%, 0.35; 0.1 -1.5% rare earth elements, rare earth elements can be selected as 0.3%, 0.5%, 0.8%, 1.2%, 1.4%, and the rest are aluminum and unavoidable impurities. The rare earth element is one or more of cerium, lanthanum, neodymium, and yttrium, and if it is a mixture, it can be in any proportion. The silicon content of the alloy is ≤0.1%, and the total weight percentage content of vanadium, titanium, chromium and manganese heavy metals is ≤0.01%.

Embodiment 2

[0021] 1. A method for manufacturing aluminum-iron-zinc-magnesium rare-earth alloy cloth wires. The ratio described in Example 1 is used, and aluminum ingots are put into a shaft furnace for melting. When the aluminum alloy liquid flows into the holding furnace, the temperature is controlled at 710-750°C.

[0022] 2. Raise the temperature of the furnace to 750-780°C, add aluminum-iron master alloy, aluminum-zinc master alloy, and aluminum-magnesium in sequence, and use electric stirring for 10 minutes to make it evenly distributed.

[0023] 3. Add the aluminum rare earth master alloy, add 2 / 3 of the aluminum rare earth master alloy in the first 10 minutes, stir for 5 minutes, then add 1 / 3 of the aluminum rare earth master alloy after 10 minutes, stir for 10 minutes, fully stir to make the alloy composition And the distribution of rare earth as even as possible, so that the effect of rare earth treatment to achieve the best.

[0024] 4. After the aluminum alloy liquid fills the...

Embodiment 3

[0036]A method for manufacturing aluminum-iron-zinc-magnesium rare-earth alloy cloth wires. According to the composition ratio described in Example 1, the process method described in Example 2 is rolled into an aluminum alloy, and the aluminum alloy wire is cold-drawn from an aluminum alloy rod , and then conduct semi-annealing treatment at 340-380°C for 5-10 hours, and finally extrude the insulation. For example, the temperature can be selected as 350°C, 360°C, 365°C, and the treatment time can be selected as 6 hours, 7.5 hours, and 9 hours. .

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Abstract

The invention discloses an Al-Fe-Zn-Mg rare earth alloy wire and a preparation method thereof. The aluminum alloy comprises the following elements: 0.3-1.2wt% of Fe, 0.01-0.3wt% of Zn, 0.01-0.4wt% of Mg, 0.1-1.5wt% of rare earth element and the balance of Al and inevitable impurities, wherein the rare earth element is composed of one or more of cerium, lanthanum, neodymium and yttrium. The preparation method of the aluminum alloy wire comprises the following steps: preparing an aluminum alloy rod through smelting, casting and rolling, performing insulation treatment in a heat holding cover at 240-320 DEG C for 10-20 hours, wiredrawing and extruding insulating material on the wire; or preparing an aluminum alloy rod through smelting, casting and rolling, drawing the aluminum alloy rod to prepare the aluminum alloy wire, performing semi-annealing treatment in an annealing furnace at 340-380 DEG C for 5-10 hours, and finally extruding insulating material on the wire. The aluminum alloy wire prepared by the method of the invention has excellent electrical property, mechanical property and corrosion resistance and can be used in the wire and cable conductors.

Description

technical field [0001] The invention relates to the field of aluminum alloy cables, in particular to an aluminum-iron-zinc-magnesium rare earth alloy wire and a manufacturing method thereof. Background technique [0002] Today's civil, commercial and industrial wire and cable conductors, especially civil wiring, use copper conductors. In the 1980s and 1990s, due to the high copper price and the tight copper resources at that time, the country proposed an economic policy of using aluminum to save copper. At that time, the use of aluminum conductor wires and cables was relatively common and widely used, but as time went on, People have found that various situations occur during the use of pure aluminum conductors, among which the common ones are that pure aluminum conductors are prone to cracking or breaking during bending, oxidation and electrochemical corrosion, especially In the connection head part and the direct connection part between aluminum wire and copper wire, thes...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04H01B1/02H01B5/02
Inventor 林泽民
Owner ANHUI JOY SENSE CABLE
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