CN103266241B - A kind of Rare earth aluminum alloy conductor material and production method thereof - Google Patents
A kind of Rare earth aluminum alloy conductor material and production method thereof Download PDFInfo
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- CN103266241B CN103266241B CN201310048206.7A CN201310048206A CN103266241B CN 103266241 B CN103266241 B CN 103266241B CN 201310048206 A CN201310048206 A CN 201310048206A CN 103266241 B CN103266241 B CN 103266241B
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Abstract
The invention discloses a kind of Rare earth aluminum alloy conductor material and production method thereof.Rare earth aluminum alloy conductor material of the present invention comprises the component of following weight percent: 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%, and surplus is aluminium and inevitable impurity.Rare earth aluminum alloy conductor material of the present invention comprises rare earth element, and these rare earth elements can purify alloy, crystal grain thinning and tissue, improve material property; Rare earth aluminum alloy conductor material of the present invention adds Al-Ti-B intermediate alloy in process of production, and further crystal grain thinning, improves material plasticity, improves unit elongation; The copper content of Rare earth aluminum alloy conductor material of the present invention is 0.20 ~ 0.35%, improves the strength of materials, electric conductivity, creep-resistant property.
Description
Technical field
The invention belongs to conductor material technical field, be specifically related to a kind of Rare earth aluminum 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 also having had decades.Some relevant researchs of China and Rare earth aluminum alloy conductor material have many products.But, these materials existing at unit elongation, tensile strength, the important quality such as specific conductivity and creep-resistant property technical indicator aspect with still have certain gap abroad, still can not meet the domestic demand to high-performance rare-earth aluminum-alloy conductor material.
Summary of the invention
The object of the invention is to overcome prior art defect, a kind of Rare earth aluminum alloy conductor material is provided.
Another object of the present invention is to the production method that a kind of Rare earth aluminum alloy conductor material is provided.
A technical scheme of the present invention is as follows:
A kind of Rare earth aluminum alloy conductor material, comprise the component of following weight percent: 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 inevitable impurity.
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 production method for Rare earth aluminum alloy conductor material, comprises the steps:
(1) in fine aluminium liquid, add ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, be incubated after melting;
(2) pass into rare gas element in the material after insulation with removing hydrogen wherein, namely make the amount of wherein hydrogen be less than 0.015mL/100g;
(3) add Al-Ti-B intermediate alloy in the material after removing hydrogen and carry out grain refining;
(4) by the material filtering slagging-off after grain refining, then carry out continuous casting and rolling and namely obtain described Rare earth aluminum alloy conductor material;
The amount of the ferroaluminium added in above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes the component comprising following weight percent in obtained Rare earth aluminum alloy conductor material: 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%, and surplus is aluminium and inevitable impurity.
In a preferred embodiment of the invention, in described step (1), the purity of fine aluminium liquid is 99.70%, and holding temperature is 700 ~ 760 DEG C.
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, the filter cleaner in described step (4) uses ceramic filtering device, and the specification of this ceramic filtering 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, Rare earth aluminum alloy conductor material of the present invention comprises rare earth element, and these rare earth elements can purify alloy, crystal grain thinning and tissue, improve material property;
2, Rare earth aluminum alloy conductor material of the present invention adds Al-Ti-B intermediate alloy in process of production, and further crystal grain thinning, improves material plasticity, improves unit elongation;
3, the copper content of Rare earth aluminum alloy conductor material of the present invention is 0.20 ~ 0.35%, improves the strength of materials, electric conductivity, creep-resistant property.
Embodiment
Below by way of embodiment, technical scheme of the present invention is further detailed and is described.
(1) in purity be 99.70% fine aluminium liquid in add ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, flow into holding furnace through chute after melting to be incubated, holding temperature is 700 ~ 760 DEG C, above-mentioned melting be by smelting furnace bottom electromagnetic stirring equipment carry out noncontact stirring, realizing the Quick uniform melting when not polluting fine aluminium liquid, reaching energy-saving and cost-reducing object;
(2) mixed gas (can also be used alone the rare gas element such as argon gas or nitrogen) passing into nitrogen and argon gas in the material after insulation, to be removed by hydrogen wherein, namely makes the amount of wherein hydrogen be 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 grain refining is less than or equal to the ceramic filtering device filter cleaner of 50ppi by specification, to remove hydrogen, metal and nonmetallic impurity wherein further, ensure degree of crystallinity and structure property, then carry out continuous casting and rolling and namely obtain described Rare earth aluminum alloy conductor material;
The amount of the ferroaluminium added in above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes the component comprising following weight percent in obtained Rare earth aluminum alloy conductor material: 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 inevitable impurity, and above-mentioned rare earth element comprises lanthanum and yttrium.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (1)
1. a production method for Rare earth aluminum alloy conductor material, is characterized in that: comprise the steps:
(1) in purity be 99.70% fine aluminium liquid in add ferroaluminium, aluminum-copper alloy, aluminum magnesium alloy and rare earth aluminium alloy and carry out melting, be incubated after melting, holding temperature is 700 ~ 760 DEG C, above-mentioned melting be by smelting furnace bottom electromagnetic stirring equipment carry out noncontact stirring;
(2) pass into argon gas, nitrogen or both mixing in the material after insulation with removing hydrogen wherein, namely make the amount of wherein hydrogen be less than 0.015mL/100g;
(3) add Al-Ti-B intermediate alloy in the material after removing hydrogen and carry out grain refining;
(4) by the material filtering slagging-off after grain refining, then carry out continuous casting and rolling and namely obtain described Rare earth aluminum alloy conductor material, filter cleaner uses ceramic filtering device, and the specification of this ceramic filtering device is less than or equal to 50ppi;
The amount of the ferroaluminium added in above-mentioned steps, aluminum-copper alloy, aluminum magnesium alloy, rare earth aluminium alloy and Al-Ti-B intermediate alloy makes the component comprising following weight percent in obtained Rare earth aluminum alloy conductor material: 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 inevitable impurity, and described rare earth element comprises lanthanum and yttrium.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103680670B (en) * | 2013-11-29 | 2017-12-01 | 四川鑫电电缆有限公司 | Creep-resisting, corrosion-resisting aluminium alloy conductor |
| CN103789586A (en) * | 2014-02-25 | 2014-05-14 | 贵州大学 | Novel moderate-strength high-conductivity aluminum alloy electrician round bar |
| KR101716645B1 (en) * | 2014-07-03 | 2017-03-15 | 엘에스전선 주식회사 | Aluminum alloy conductor wire and method for preparing the same |
| 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 for cable or cable connecting piece and preparation method thereof |
| 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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| 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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| CN101302591A (en) * | 2008-06-20 | 2008-11-12 | 西南铝业（集团）有限责任公司 | Novel high-conductivity high-yield strength aluminum alloy |
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| 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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Granted publication date: 20151021 Termination date: 20160206 |