CN104388780B - Lightweight conductive copper silver is blended aluminum base powder metallurgy material and application thereof - Google Patents
Lightweight conductive copper silver is blended aluminum base powder metallurgy material and application thereof Download PDFInfo
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- CN104388780B CN104388780B CN201410587976.3A CN201410587976A CN104388780B CN 104388780 B CN104388780 B CN 104388780B CN 201410587976 A CN201410587976 A CN 201410587976A CN 104388780 B CN104388780 B CN 104388780B
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Abstract
The invention discloses a kind of lightweight conductive copper silver aluminum base powder metallurgy material and application thereof, composition and each composition quality percentage composition are blended and be: Cu 4.0 ~ 10%, Ag 2 ~ 5%, Ti 1.0 ~ 2.5%, V 0.01 ~ 0.06%, Gr 0.02 ~ 0.2%, Mg 0.24 ~ 0.48%, surplus is Al.Also include B 0.15 ~ 1.15%.The weight/mass percentage composition of described Cu is 2 times of Ag weight/mass percentage composition.The lightweight conductive copper silver that the present invention provides is blended aluminum base powder metallurgy material, in aluminum alloy materials, add the high copper of conductivity, silver, by the adjustment of addition, obtaining a kind of lightweight conductive copper silver and aluminum base powder metallurgy material is blended, conductivity reaches 80%IACS, and resistivity is low, conveying energy consumption can be reduced, reduce loss.
Description
Technical field
The present invention relates to a kind of lightweight conductive copper silver and aluminum base powder metallurgy material and application thereof are blended, belong to powdered metallurgical material technical field.
Background technology
Along with industrial expansion, industrialization of the country progress faster, increasingly paid attention to the material accounting for critical role in economic construction.Traditional material oneself through the needs of industrial development, the emphasis developing into scientific development in recent years of new material can not be met far away.Material is divided into metal material, Inorganic Non-metallic Materials, macromolecular material and composite.At metal material field, light metal and alloy thereof because its density is little, specific strength is paid attention to greatly and increasingly, and wherein aluminum and aluminium alloy are to use most light alloy materials.Aluminum storage in the earth's crust is the abundantest, and content is 8%, is only second to oxygen and silicon.It is distributed widely in rock, earth, and atomic number is 13, and atomic weight is 27.Fine aluminium is silvery white, belongs to light metal, and fusing point is 660.37 DEG C, and boiling point is 2467 DEG C, and density is 2.7029g/cm3, in terms of crystal structure, belong to face-centered cubic.In metallic article is applied, it it is the second largest metalloid being only second to iron and steel.Aluminum density only has the 1/3 of iron and steel, but intensity can reach the degree of steel, and specific strength is big, is widely used in aviation, building, automobile and other industries；Aluminum electrical conductivity is higher, after silver, copper, is conventional conductive material, and electrical conductivity requiring, not being or not all application aluminum cable on the highest transmission line of electricity.
Aluminum electric conductivity is good, and most important of which is exactly the cable on power transmission line number, under conditions of conductivity requirements is the highest, is increasingly becoming a kind of conductive material substituting copper.From the twenties in last century, aluminium alloy conductor is just taken the lead in being applied to ultra-high-tension power transmission line by the U.S., Switzerland and Germany, and France and Japan are in the fifties also sequential use afterwards.Due to aluminium alloy conductor superior performance, operational effect is the best in the application, and much better than steel core twisted wire of the using effect in high pressure, extra high voltage network and distance, large cross line, thus countries in the world all gradually adopt this aluminium alloy conductor.Now with national economic development, State Grid's consumption increases rapidly, and the consumption of aluminium conductor is also increasing rapidly.Aluminum conductor is in great demand by China now, and the wire being applied to overhead transmission line to have good electrical conductivity and certain intensity, but the level of production of China's aluminum conductor is the most at a fairly low, and conductor resistance rate remains high.And in the Heat-resistant conductive aluminum alloy material developed the most both at home and abroad, mainly with the addition of and can improve recrystallization temperature and the deimpurity element that disappears, as the element pick of recrystallization temperature can be improved, the elements such as the boron of impurity effect, rare earth can be reduced.The electrical conductivity of the heat-resisting electrical conductivity alloy of research reaches about 50%IACS now.
Summary of the invention
It is an object of the invention to provide a kind of lightweight conductive copper silver and aluminum base powder metallurgy material and application thereof are blended, in aluminum alloy materials, add the high copper of conductivity, silver, by the adjustment of addition, obtaining a kind of lightweight conductive copper silver and aluminum base powder metallurgy material is blended, conductivity reaches 80%IACS, and resistivity is low, conveying energy consumption can be reduced, reduce loss.
To achieve these goals, the technological means that the present invention uses is:
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 4.0 ~ 10%, Ag 2 ~ 5%, Ti 1.0 ~ 2.5%, V 0.01 ~ 0.06%, Gr 0.02 ~ 0.2%, Mg
0.24 ~ 0.48%, surplus is Al.
Also include B 0.15 ~ 1.15%.
The weight/mass percentage composition of described Cu is 2 times of Ag weight/mass percentage composition.
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 6.0 ~ 8%, Ag 3 ~ 4%, Ti 1.5 ~ 2.0%, V 0.03 ~ 0.05%, Gr 0.08 ~ 0.12%, Mg 0.32 ~ 0.40%, B
0.5 ~ 1.0%, surplus is Al.
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 6%, Ag 3%, Ti 1.8%, V 0.04%, Gr 0.1%, Mg 0.36%, B 0.85%, and surplus is Al.
Described lightweight conductive copper silver is blended the application in overhead transmission line wire of the aluminum base powder metallurgy material.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 180 ~ 220 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 650 ~ 700 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Beneficial effect: the present invention provides a kind of lightweight conductive copper silver that aluminum base powder metallurgy material and application thereof are blended, in aluminum alloy materials, add the high copper of conductivity, silver, by the adjustment of addition, obtaining a kind of lightweight conductive copper silver and aluminum base powder metallurgy material is blended, conductivity reaches 80%IACS, and resistivity is low, conveying energy consumption can be reduced, reduce loss.
Detailed description of the invention
Embodiment 1
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 4.0%, Ag 2%, Ti 1.0%, V 0.01%, Gr
0.02%, Mg 0.24%, surplus is Al.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 200 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 680 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Embodiment 2
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 10%, Ag 5%, Ti 2.5%, V 0.06%, Gr 0.2%, Mg 0.48%, and surplus is Al.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 200 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 680 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Embodiment 3
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 8%, Ag 4%, Ti 2.0%, V 0.05%, Gr
0.12%, Mg 0.40%, B
1.0%, surplus is Al.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 200 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 680 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Embodiment 4
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 6.0%, Ag 3%, Ti 1.5%, V 0.03%, Gr
0.08%, Mg 0.32%, B
0.5%, surplus is Al.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 200 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 680 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Embodiment 5
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 6%, Ag 3%, Ti 1.8%, V 0.04%, Gr 0.1%, Mg 0.36%, B 0.85%, and surplus is Al.
Processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 200 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 680 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) molten metal raw material in step 3) is heated to 750 DEG C, pours, then carry out squeezing bar wire drawing, obtain overhead transmission line wire.
Comparative example 1
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 6%, Ag 3%, Ti 1.8%, V 0.04%, Gr 0.1%, Mg 0.36%, and surplus is Al, and processing technique is with embodiment 1.
Comparative example 2
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 10%, Ag 2%, Ti 1.8%, V 0.04%, Gr 0.1%, Mg 0.36%, B 0.85%, and surplus is Al, and processing technique is with embodiment 1.
Comparative example 3
Lightweight conductive copper silver is blended aluminum base powder metallurgy material, composition and each composition quality percentage composition: Cu 4%, Ag 5%, Ti 1.8%, V 0.04%, Gr 0.1%, Mg 0.36%, B 0.85%, and surplus is Al, and processing technique is with embodiment 1.
The lightweight conductive copper silver of embodiment 1 ~ 5 and comparative example 1 ~ 3 is blended aluminum base powder metallurgy material, and the sample after wire drawing carries out the measurement of hot strength and electrical conductivity,
Hot strength is tested: sample cuts into 30cm length, then at sample subscript high scale, takes middle 20cm
Length, as test component, according to the standard of extension test, carries out the test of tensile property with cupping machine.
Resistivity measurement: intercept wire drawing sample 120cm, taking middle 100cm is test component, carries out the resistance test of room temperature with resistance meter, the results are shown in Table shown in 1.
Table 1:
| Hot strength/MPa | Electrical conductivity | |
| Embodiment 1 | 821 | 62.3% |
| Embodiment 2 | 816 | 63.5% |
| Embodiment 3 | 870 | 80.7% |
| Embodiment 4 | 898 | 79.8% |
| Embodiment 5 | 923 | 88.1% |
| Comparative example 1 | 902 | 60.0% |
| Comparative example 2 | 885 | 50.7% |
| Comparative example 3 | 882 | 49.4% |
Comparative example 1 and differing only in of embodiment 5 are not added with B, and its conductivity declines to a great extent；Comparative example 2 is different from the ratio differing only in copper and silver of embodiment 5 with comparative example 3, it is seen that the ratio of copper and silver is during 2:1 to be improved conductivity.
Claims (5)
1. lightweight conductive copper silver is blended aluminum base powder metallurgy material, it is characterized in that composition and each composition quality percentage composition are: Cu 4.0 ~ 10%, Ag 2 ~ 5%, Ti 1.0 ~ 2.5%, V 0.01 ~ 0.06%, Cr 0.02 ~ 0.2%, Mg 0.24 ~ 0.48%, B 0.15 ~ 1.15%, surplus is Al, and the weight/mass percentage composition of described Cu is 2 times of Ag weight/mass percentage composition.
Lightweight conductive copper silver the most according to claim 1 is blended aluminum base powder metallurgy material, it is characterized in that: composition and each composition quality percentage composition be: Cu 6.0 ~ 8%, Ag 3 ~ 4%, Ti 1.5 ~ 2.0%, V 0.03 ~ 0.05%, Cr 0.08 ~ 0.12%, Mg 0.32 ~ 0.40%, B 0.5 ~ 1.0%, surplus is Al.
Lightweight conductive copper silver the most according to claim 2 is blended aluminum base powder metallurgy material, it is characterised in that: composition and each composition quality percentage composition be: Cu 6%, Ag 3%, Ti 1.8%, V 0.04%, Cr 0.1%, Mg 0.36%, B 0.85%, surplus is Al.
4. in claim 1 ~ 3, described in any one, lightweight conductive copper silver is blended the application in overhead transmission line wire of the aluminum base powder metallurgy material.
Application the most according to claim 4, it is characterised in that processing technique comprises the steps:
1) raw metal fusing: all being melted by aluminum, other compositions join after being preheated to 180 ~ 220 DEG C in the aluminum of fusing；
2) raw metal of step 1) being warming up to 650 ~ 700 DEG C, stirring is completely melt to metal, then passes to argon, stirring；
3) by step 2) in molten metal raw material be heated to 750 DEG C, cast, then carry out squeeze bar wire drawing, obtain overhead transmission line wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410587976.3A CN104388780B (en) | 2014-10-29 | Lightweight conductive copper silver is blended aluminum base powder metallurgy material and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410587976.3A CN104388780B (en) | 2014-10-29 | Lightweight conductive copper silver is blended aluminum base powder metallurgy material and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104388780A CN104388780A (en) | 2015-03-04 |
| CN104388780B true CN104388780B (en) | 2017-01-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5032359A (en) * | 1987-08-10 | 1991-07-16 | Martin Marietta Corporation | Ultra high strength weldable aluminum-lithium alloys |
| WO2004106566A2 (en) * | 2003-05-28 | 2004-12-09 | Pechiney Rolled Products | Al-cu-mg-ag-mn alloy for structural applications requiring high strength and high ductility |
| CN103392020A (en) * | 2011-02-18 | 2013-11-13 | 法国肯联铝业 | Semi-finished product made of aluminium alloy having improved microporosity and manufacturing process |
| CN103748246A (en) * | 2011-08-17 | 2014-04-23 | 奥托福克斯两合公司 | Heat-resistant Al-Cu-Mg-Ag alloy and process for producing a semifinished part or product composed of such an aluminium alloy |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5032359A (en) * | 1987-08-10 | 1991-07-16 | Martin Marietta Corporation | Ultra high strength weldable aluminum-lithium alloys |
| WO2004106566A2 (en) * | 2003-05-28 | 2004-12-09 | Pechiney Rolled Products | Al-cu-mg-ag-mn alloy for structural applications requiring high strength and high ductility |
| CN103392020A (en) * | 2011-02-18 | 2013-11-13 | 法国肯联铝业 | Semi-finished product made of aluminium alloy having improved microporosity and manufacturing process |
| CN103748246A (en) * | 2011-08-17 | 2014-04-23 | 奥托福克斯两合公司 | Heat-resistant Al-Cu-Mg-Ag alloy and process for producing a semifinished part or product composed of such an aluminium alloy |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lai Gaosheng Inventor before: Wang Shuang Inventor before: Qiu Jing Inventor before: Liu Xiaodong |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20161028 Address after: Luojiang District of Quanzhou City, Fujian province 362000 Luo Xi Zhen East Village tracts No. 9 Applicant after: Lai Gaosheng Address before: 215009 Suzhou high tech Zone, Jiangsu Torch Road, No. 56 Applicant before: Suzhou NetShape Composite Materials Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: Jingjiang Lake Road, Huian County village of Chongwu town Fujian city of Quanzhou Province under the 362000 No. 215 Patentee after: Zhang Zhihang Address before: Luojiang District of Quanzhou City, Fujian province 362000 Luo Xi Zhen East Village tracts No. 9 Patentee before: Lai Gaosheng |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: 315324 No.304, Huancheng South Road, Zhouxiang Town, Ningbo City, Zhejiang Province Patentee after: Ningbo Hesheng New Material Co.,Ltd. Address before: 362000 No. 215, lower Lake Road, Jingjiang village, Chong Wu Town, Huian, Quanzhou, Fujian. Patentee before: Zhang Zhihang |