CN103266241A - Rare earth aluminum alloy conductor material and production method thereof - Google Patents
Rare earth aluminum alloy conductor material and production method thereof Download PDFInfo
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- CN103266241A CN103266241A CN2013100482067A CN201310048206A CN103266241A CN 103266241 A CN103266241 A CN 103266241A CN 2013100482067 A CN2013100482067 A CN 2013100482067A CN 201310048206 A CN201310048206 A CN 201310048206A CN 103266241 A CN103266241 A CN 103266241A
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Abstract
The invention discloses a rare earth aluminum alloy conductor material and a production method thereof. The rare earth aluminum alloy of the present invention comprises the following components by weight: 0.30-0.50% of iron, 0.20-0.35% of Cu, 0.02-0.04% of silicon, 0.05-0.10% of rare earth element, 0.05-0.08% of magnesium, 0.002-0.005% of boron and 0.005-0.010% of Ti, the balance being aluminum and unavoidable impurities. The rare earth aluminum alloy conductor material of the present invention includes rare earth elements. The rare earth elements can purify alloy, refine grain and organization, and improve the material properties. The rare earth aluminum alloy conductor material of the present invention is added with Al-Ti-B intermediate alloy in the production process, further refines the grains, and helps to improve the plasticity of the material and improve the elongation. The copper content of the conductive material is 0.20-0.35%, helping to improve material strength, electrical conductivity, and creep resistance.
Description
Technical field
The invention belongs to the conductor material technical field, be specifically related to a kind of rare earth aluminium alloy conductor material and production method thereof.
Background technology
In China's copper resource scarcity, the present of substantial appreciation of prices works as, and as processing cable electric wire material, " with aluminium for copper " becomes the road of certainty.The external use history that also arranged decades.The relevant research of some of China and the existing many products of rare earth aluminium alloy conductor material.But existing these materials are at unit elongation, tensile strength, important quality technical indicator aspects such as specific conductivity and creep-resistant property with certain gap is still arranged abroad, still can not satisfy domestic demand to the high performance rare-earth aluminium alloy conductor material.
Summary of the invention
The objective of the invention is to overcome the prior art defective, a kind of rare earth aluminium alloy conductor material is provided.
Another object of the present invention is to provide a kind of production method of rare earth aluminium alloy conductor material.
A technical scheme of the present invention is as follows:
A kind of rare earth aluminium alloy conductor material, comprise following components in weight percentage: iron 0.30～0.50%, copper 0.20～0.35%, silicon 0.02～0.04%, rare earth element 0.05～0.10%, magnesium 0.05～0.08%, boron 0.002～0.005% and titanium 0.005～0.010%, surplus are aluminium and unavoidable impurities.
In a preferred embodiment of the invention, described rare earth element comprises lanthanum and yttrium.
Another technical scheme of the present invention is as follows:
A kind of production method of rare earth aluminium alloy conductor material comprises the steps:
(1) in fine aluminium liquid, adds ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, be incubated after the melting;
(2) feed rare gas element in the material after insulation to remove hydrogen wherein, namely the amount of feasible wherein hydrogen is less than 0.015mL/100g;
(3) add Al-Ti-B intermediate alloy in the material after removing hydrogen and carry out grain refining;
(4) with the slagging-off of the material filtering after the grain refining, carry out continuous casting and rolling again and namely get described rare earth aluminium alloy conductor material;
The amount of the ferroaluminium that adds in the above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes and comprises following components in weight percentage at the rare earth aluminium alloy conductor material that makes: iron 0.30～0.50%, copper 0.20～0.35%, silicon 0.02～0.04%, rare earth element 0.05～0.10%, magnesium 0.05～0.08%, boron 0.002～0.005% and titanium 0.005～0.010%, surplus are aluminium and unavoidable impurities.
In a preferred embodiment of the invention, in the described step (1), the purity of fine aluminium liquid is 99.70%, and holding temperature is 700～760 ℃.
In a preferred embodiment of the invention, described rare gas element is argon gas, nitrogen or both mixing.
In a preferred embodiment of the invention, what the filter cleaner in the described step (4) used is the ceramic filter device, and the specification of this ceramic filter device is less than or equal to 50ppi.
In a preferred embodiment of the invention, described rare earth element comprises lanthanum and yttrium.
The invention has the beneficial effects as follows:
1, comprise rare earth element in the rare earth aluminium alloy conductor material of the present invention, these rare earth elements can purify alloy, crystal grain thinning and tissue, improve material property;
2, rare earth aluminium alloy conductor material of the present invention adds Al-Ti-B intermediate alloy in process of production, and further crystal grain thinning has improved material plasticity, improves unit elongation;
3, the copper content of rare earth aluminium alloy conductor material of the present invention is 0.20～0.35%, has improved the strength of materials, electric conductivity, creep-resistant property.
Embodiment
Below by embodiment technical scheme of the present invention is further detailed and describes.
(1) in purity is 99.70% fine aluminium liquid, adds ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, melting flows into holding furnace by chute and is incubated, holding temperature is 700～760 ℃, above-mentioned melting is that the electromagnetic stirring equipment bottom smelting furnace carries out the noncontact stirring, be implemented in evenly melting fast under the situation of not polluting fine aluminium liquid, reach energy saving purposes;
(2) mixed gas (can also use rare gas elementes such as argon gas or nitrogen separately) that feeds nitrogen and argon gas in the material after insulation to be to remove hydrogen wherein, namely makes the amount of hydrogen wherein less than 0.015mL/100g;
(3) add Al-Ti-B intermediate alloy in the material after removing hydrogen and carry out grain refining;
(4) material after the grain refining is less than or equal to the ceramic filter device filter cleaner of 50ppi by specification, further to remove hydrogen, metal and nonmetallic impurity wherein, guarantee degree of crystallinity and structure property, carry out continuous casting and rolling again and namely get described rare earth aluminium alloy conductor material;
The amount of the ferroaluminium that adds in the above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes and comprises following components in weight percentage at the rare earth aluminium alloy conductor material that makes: iron 0.30～0.50%, copper 0.20～0.35%, silicon 0.02～0.04%, rare earth element 0.05～0.10%, magnesium 0.05～0.08%, boron 0.002～0.005% and titanium 0.005～0.010%, surplus is aluminium and unavoidable impurities, and above-mentioned rare earth element comprises lanthanum and yttrium.
The above only is preferred embodiment of the present invention, so can not limit scope of the invention process according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (7)
1. rare earth aluminium alloy conductor material, it is characterized in that: comprise following components in weight percentage: iron 0.30～0.50%, copper 0.20～0.35%, silicon 0.02～0.04%, rare earth element 0.05～0.10%, magnesium 0.05～0.08%, boron 0.002～0.005% and titanium 0.005～0.010%, surplus are aluminium and unavoidable impurities.
2. a kind of rare earth aluminium alloy conductor material as claimed in claim 1, it is characterized in that: described rare earth element comprises lanthanum and yttrium.
3. the production method of a rare earth aluminium alloy conductor material is characterized in that: comprise the steps:
(1) in fine aluminium liquid, adds ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, be incubated after the melting;
(2) feed rare gas element in the material after insulation to remove hydrogen wherein, namely the amount of feasible wherein hydrogen is less than 0.015mL/100g;
(3) add Al-Ti-B intermediate alloy in the material after removing hydrogen and carry out grain refining;
(4) with the slagging-off of the material filtering after the grain refining, carry out continuous casting and rolling again and namely get described rare earth aluminium alloy conductor material;
The amount of the ferroaluminium that adds in the above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes and comprises following components in weight percentage at the rare earth aluminium alloy conductor material that makes: iron 0.30～0.50%, copper 0.20～0.35%, silicon 0.02～0.04%, rare earth element 0.05～0.10%, magnesium 0.05～0.08%, boron 0.002～0.005% and titanium 0.005～0.010%, surplus are aluminium and unavoidable impurities.
4. the production method of a kind of rare earth aluminium alloy conductor material as claimed in claim 3, it is characterized in that: in the described step (1), the purity of fine aluminium liquid is 99.70%, and holding temperature is 700～760 ℃.
5. the production method of a kind of rare earth aluminium alloy conductor material as claimed in claim 3, it is characterized in that: described rare gas element is argon gas, nitrogen or both mixing.
6. the production method of a kind of rare earth aluminium alloy conductor material as claimed in claim 3 is characterized in that: what the filter cleaner in the described step (4) used is the ceramic filter device, and the specification of this ceramic filter device is less than or equal to 50ppi.
7. as the production method of the described a kind of rare earth aluminium alloy conductor material of arbitrary claim in the claim 3 to 6, it is characterized in that: described rare earth element comprises lanthanum and yttrium.
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| CN201310048206.7A CN103266241B (en) | 2013-02-06 | 2013-02-06 | A kind of Rare earth aluminum alloy conductor material and production method thereof |
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| CN201310048206.7A CN103266241B (en) | 2013-02-06 | 2013-02-06 | A kind of Rare earth aluminum alloy conductor material and production method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680670A (en) * | 2013-11-29 | 2014-03-26 | 四川鑫电电缆有限公司 | Creep-resistant and corrosion-resistant aluminum alloy conductor |
| CN103789586A (en) * | 2014-02-25 | 2014-05-14 | 贵州大学 | Novel moderate-strength high-conductivity aluminum alloy electrician round bar |
| CN105081258A (en) * | 2015-08-24 | 2015-11-25 | 浙江格兰德机械有限公司 | Rotor forming machining method |
| CN106663490A (en) * | 2014-07-03 | 2017-05-10 | Ls电线有限公司 | Aluminum alloy conductor wire and method for manufacturing same |
| CN106702219A (en) * | 2016-11-24 | 2017-05-24 | 中色科技股份有限公司 | Creep-resistant aluminum alloy conductor and preparing method thereof for cable or cable connector |
| CN107779642A (en) * | 2017-10-25 | 2018-03-09 | 宝鸡市铭坤有色金属有限公司 | A kind of preparation method of almag |
| CN114737087A (en) * | 2022-04-21 | 2022-07-12 | 温州国马纳米科技有限公司 | Graphene aluminum alloy material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152722A1 (en) * | 2008-06-20 | 2009-12-23 | 西南铝业（集团）有限责任公司 | Aluminium alloy with high electrical conductivity and high yield strength, worked article and induction plate made of it |
| CN101948971A (en) * | 2010-09-16 | 2011-01-19 | 安徽亚南电缆厂 | Heat-resistant aluminum-alloy conductor material for cables and manufacture method thereof |
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2013
- 2013-02-06 CN CN201310048206.7A patent/CN103266241B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152722A1 (en) * | 2008-06-20 | 2009-12-23 | 西南铝业（集团）有限责任公司 | Aluminium alloy with high electrical conductivity and high yield strength, worked article and induction plate made of it |
| CN101948971A (en) * | 2010-09-16 | 2011-01-19 | 安徽亚南电缆厂 | Heat-resistant aluminum-alloy conductor material for cables and manufacture method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680670A (en) * | 2013-11-29 | 2014-03-26 | 四川鑫电电缆有限公司 | Creep-resistant and corrosion-resistant aluminum alloy conductor |
| CN103789586A (en) * | 2014-02-25 | 2014-05-14 | 贵州大学 | Novel moderate-strength high-conductivity aluminum alloy electrician round bar |
| CN106663490A (en) * | 2014-07-03 | 2017-05-10 | Ls电线有限公司 | Aluminum alloy conductor wire and method for manufacturing same |
| CN106663490B (en) * | 2014-07-03 | 2018-12-14 | Ls电线有限公司 | Aluminium alloy conductor core and its manufacturing method |
| CN105081258A (en) * | 2015-08-24 | 2015-11-25 | 浙江格兰德机械有限公司 | Rotor forming machining method |
| CN106702219A (en) * | 2016-11-24 | 2017-05-24 | 中色科技股份有限公司 | Creep-resistant aluminum alloy conductor and preparing method thereof for cable or cable connector |
| CN107779642A (en) * | 2017-10-25 | 2018-03-09 | 宝鸡市铭坤有色金属有限公司 | A kind of preparation method of almag |
| CN114737087A (en) * | 2022-04-21 | 2022-07-12 | 温州国马纳米科技有限公司 | Graphene aluminum alloy material and preparation method thereof |
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| CN103266241B (en) | 2015-10-21 |
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