CN103350330A - Method for preparing magnesium alloy wire - Google Patents
Method for preparing magnesium alloy wire Download PDFInfo
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- CN103350330A CN103350330A CN 201310276258 CN201310276258A CN103350330A CN 103350330 A CN103350330 A CN 103350330A CN 201310276258 CN201310276258 CN 201310276258 CN 201310276258 A CN201310276258 A CN 201310276258A CN 103350330 A CN103350330 A CN 103350330A
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Abstract
The invention discloses a method for preparing a magnesium alloy wire. The alloying elements of magnesium alloy comprise, by mass, 0.35-0.55% of Cu, 0.4-0.8% of Al, 0.02-0.06% of Ce, and 0.06-0.15% of Ni. An ingot casting of the magnesium alloy is squeezed in a thermal mode, and is pulled into a 3-6mm wire rod, and the surface of the wire rod is sprayed by a layer of silver. Under the protection of argon, the wire rod is placed into a thermal treatment furnace. The magnesium alloy wire rod which is processed in the thermal mode is cooled to be in the indoor temperature, a silvered glass fiber shielding layer wraps the wire rod, and a high-temperature flame retardant coating squeezes and wraps the silvered glass fiber shielding layer. The magnesium alloy is adopted to replace copper alloy, so that cost is greatly reduced. Due to the fact that appropriate Cu and Ni are added into the magnesium alloy, the conductivity of the magnesium alloy wire is greatly improved. The Al increases the strength of the wire rod. The most important is that the surface of the wire rod is silvered by the layer of silver, so that the conductivity of the magnesium alloy is greatly improved.
Description
Technical field
The present invention relates to technical field of electric wires and cables, relate in particular to a kind of preparation method of magnesium alloy electric wire.
Background technology
At present in order to reduce the cost of electric wire, need to improve composition and the processing technology of copper alloy, but the cost compare of copper is high, causes the cost compare height of cable, the application of cable has been consisted of certain restriction.In the prior art, have the human aluminium alloy to replace copper alloy as core, but its electric conductivity still not as copper alloy, and intensity is also less than copper alloy wire, therefore developing a kind of new cable core material is those skilled in the art's urgent need to solve the problems.
Summary of the invention
In order to solve the problems of above-mentioned existence, the present invention aims to provide a kind of preparation method of magnesium alloy electric wire, to improve intensity and the electric conductivity of magnesium alloy electric wire.
The invention provides a kind of preparation method of magnesium alloy electric wire, the alloying element mass percent of described magnesium alloy is, Cu0.35-0.55%, and Al0.4-0.8%, Ce0.02-0.06%, Ni0.06-0.15%, surplus is Mg and inevitable impurity; Alloying element melting with proportionally cooperating is cast into tabular ingot casting, and then its surperficial impurity is fallen in polishing and turning; With the above-mentioned magnesium alloy ingot hot extrusion of handling well, then be drawn into the wire rod of 3-6mm, oxide-film and the oil film of cleaning wire surface, then silver-colored at surperficial spraying plating one deck of wire rod; Under the protection of argon gas atmosphere, above-mentioned wire rod is put into heat-treatment furnace, heat treatment temperature is 200 ℃-300 ℃, the time is 2.5-4 hour; Above-mentioned heat treated magnesium alloy bar/wire rod air cooling to room temperature, is then wrapped up one deck silvered glass fiber screen layer, extrude at last one deck high-temperature flame-proof layer.
Further, the alloying element mass percent of described magnesium alloy is preferably,, Cu0.45-0.52%, Al0.5-0.6%, Ce0.02-0.03%, Ni0.10-0.12%.
Further, described heat treatment temperature is preferably 200 ℃-250 ℃.
Further, described high-temperature flame-proof layer is silicon rubber.
The invention provides a kind of preparation method of magnesium alloy electric wire, the alloying element mass percent of described magnesium alloy is, Cu0.35-0.55%, and Al0.4-0.8%, Ce0.02-0.06%, Ni0.06-0.15%, surplus is Mg and inevitable impurity; Alloying element melting with proportionally cooperating is cast into tabular ingot casting, and then its surperficial impurity is fallen in polishing and turning; With the above-mentioned magnesium alloy ingot hot extrusion of handling well, then be drawn into the wire rod of 3-6mm, oxide-film and the oil film of cleaning wire surface, then silver-colored at surperficial spraying plating one deck of wire rod; Under the protection of argon gas atmosphere, above-mentioned wire rod is put into heat-treatment furnace, heat treatment temperature is 200 ℃-300 ℃, the time is 2.5-4 hour; Above-mentioned heat treated magnesium alloy bar/wire rod air cooling to room temperature, is then wrapped up one deck silvered glass fiber screen layer, extrude at last one deck high-temperature flame-proof layer.Based on disclosing of technique scheme, at first, the present invention adopts magnesium alloy to replace copper alloy, cost greatly reduces and since magnesium alloy in added an amount of Cu, Ni so that its electric conductivity greatly improve, the interpolation of Al has increased the intensity of wire rod, most importantly, the surface of wire rod is coated with one deck silver, this so that its electric conductivity significantly promote, in a word, because magnesium alloy replaces copper alloy, has reduced the proportion of cable, and has had good electric conductivity and intensity; In addition, the fusing point of magnesium alloy is lower, and casting and hot worked temperature are all lower, and energy consumption consumes smaller, is conducive to the further reduction of cost.
The specific embodiment
Embodiment one
The embodiment of the invention one provides a kind of preparation method of magnesium alloy electric wire, and the alloying element mass percent of described magnesium alloy is, Cu0.35%, and Al0.4%, Ce0.02%, Ni0.15%, surplus is Mg and inevitable impurity; Alloying element melting with proportionally cooperating is cast into tabular ingot casting, and then its surperficial impurity is fallen in polishing and turning; With the above-mentioned magnesium alloy ingot hot extrusion of handling well, then be drawn into the wire rod of 6mm, oxide-film and the oil film of cleaning wire surface, then silver-colored at surperficial spraying plating one deck of wire rod; Under the protection of argon gas atmosphere, above-mentioned wire rod is put into heat-treatment furnace, heat treatment temperature is 200 ℃, the time is 3 hours; Above-mentioned heat treated magnesium alloy bar/wire rod air cooling to room temperature, is then wrapped up one deck silvered glass fiber screen layer, extrude at last one deck high-temperature flame-proof layer, wherein, described high-temperature flame-proof layer is silicon rubber.
In the present embodiment, at first, the present invention adopts magnesium alloy to replace copper alloy, cost greatly reduces and since magnesium alloy in added an amount of Cu, Ni so that its electric conductivity greatly improve, the interpolation of Al has increased the intensity of wire rod, most importantly, the surface of wire rod is coated with one deck silver, this so that its electric conductivity significantly promote, in a word, because magnesium alloy replaces copper alloy, has reduced the proportion of cable, and has had good electric conductivity and intensity; In addition, the fusing point of magnesium alloy is lower, and casting and hot worked temperature are all lower, and energy consumption consumes smaller, is conducive to the further reduction of cost.
Embodiment two
The embodiment of the invention two provides a kind of preparation method of magnesium alloy electric wire, and the alloying element mass percent of described magnesium alloy is, Cu0.55%, and Al0.7%, Ce0.05%, Ni0.08%, surplus is Mg and inevitable impurity; Alloying element melting with proportionally cooperating is cast into tabular ingot casting, and then its surperficial impurity is fallen in polishing and turning; With the above-mentioned magnesium alloy ingot hot extrusion of handling well, then be drawn into the wire rod of 4mm, oxide-film and the oil film of cleaning wire surface, then silver-colored at surperficial spraying plating one deck of wire rod; Under the protection of argon gas atmosphere, above-mentioned wire rod is put into heat-treatment furnace, heat treatment temperature is 300 ℃, the time is 3 hours; Above-mentioned heat treated magnesium alloy bar/wire rod air cooling to room temperature, is then wrapped up one deck silvered glass fiber screen layer, extrude at last one deck high-temperature flame-proof layer, wherein, described high-temperature flame-proof layer is silicon rubber.
In the present embodiment, at first, the present invention adopts magnesium alloy to replace copper alloy, cost greatly reduces and since magnesium alloy in added an amount of Cu, Ni so that its electric conductivity greatly improve, the interpolation of Al has increased the intensity of wire rod, most importantly, the surface of wire rod is coated with one deck silver, this so that its electric conductivity significantly promote, in a word, because magnesium alloy replaces copper alloy, has reduced the proportion of cable, and has had good electric conductivity and intensity; In addition, the fusing point of magnesium alloy is lower, and casting and hot worked temperature are all lower, and energy consumption consumes smaller, is conducive to the further reduction of cost.
Top embodiment has just carried out exemplary description to the present invention; obvious realization of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the method design of invention and the various improvement that technical scheme is carried out; or directly apply to other occasion without improving the design that will invent and technical scheme, all in protection scope of the present invention.
Claims (4)
1. the preparation method of a magnesium alloy electric wire is characterized in that, the alloying element mass percent of described magnesium alloy is, Cu0.35-0.55%, and Al0.4-0.8%, Ce0.02-0.06%, Ni0.06-0.15%, surplus is Mg and inevitable impurity; Alloying element melting with proportionally cooperating is cast into tabular ingot casting, and then its surperficial impurity is fallen in polishing and turning; With the above-mentioned magnesium alloy ingot hot extrusion of handling well, then be drawn into the wire rod of 3-6mm, oxide-film and the oil film of cleaning wire surface, then silver-colored at surperficial spraying plating one deck of wire rod; Under the protection of argon gas atmosphere, above-mentioned wire rod is put into heat-treatment furnace, heat treatment temperature is 200 ℃-300 ℃, the time is 2.5-4 hour; Above-mentioned heat treated magnesium alloy bar/wire rod air cooling to room temperature, is then wrapped up one deck silvered glass fiber screen layer, extrude at last one deck high-temperature flame-proof layer.
2. the preparation method of magnesium alloy electric wire according to claim 1 is characterized in that, the alloying element mass percent of described magnesium alloy is preferably, Cu0.45-0.52%, Al0.5-0.6%, Ce0.02-0.03%, Ni0.10-0.12%.
3. the preparation method of magnesium alloy electric wire according to claim 2 is characterized in that, described heat treatment temperature is preferably 200 ℃-250 ℃.
4. the preparation method of magnesium alloy electric wire according to claim 3 is characterized in that, described high-temperature flame-proof layer is silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310276258 CN103350330A (en) | 2013-07-02 | 2013-07-02 | Method for preparing magnesium alloy wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310276258 CN103350330A (en) | 2013-07-02 | 2013-07-02 | Method for preparing magnesium alloy wire |
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| CN103350330A true CN103350330A (en) | 2013-10-16 |
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| CN 201310276258 Pending CN103350330A (en) | 2013-07-02 | 2013-07-02 | Method for preparing magnesium alloy wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200370156A1 (en) * | 2019-05-23 | 2020-11-26 | Qilu University Of Technology | Heat-resistant and soluble magnesium alloy, preparation method and use thereof |
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2013
- 2013-07-02 CN CN 201310276258 patent/CN103350330A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200370156A1 (en) * | 2019-05-23 | 2020-11-26 | Qilu University Of Technology | Heat-resistant and soluble magnesium alloy, preparation method and use thereof |
| US11795533B2 (en) * | 2019-05-23 | 2023-10-24 | Qilu University Of Technology | Heat-resistant and soluble magnesium alloy, preparation method and use thereof |
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Application publication date: 20131016 |