CN106636796A - Conductive aluminum alloy material and preparation method thereof - Google Patents

Conductive aluminum alloy material and preparation method thereof Download PDF

Info

Publication number
CN106636796A
CN106636796A CN201611100600.0A CN201611100600A CN106636796A CN 106636796 A CN106636796 A CN 106636796A CN 201611100600 A CN201611100600 A CN 201611100600A CN 106636796 A CN106636796 A CN 106636796A
Authority
CN
China
Prior art keywords
aluminum alloy
alloy materials
raw material
aluminium
conduction aluminum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611100600.0A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Lifuai Biology Technology Co ltd
Original Assignee
Zhengzhou Lifuai Biology Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Lifuai Biology Technology Co ltd filed Critical Zhengzhou Lifuai Biology Technology Co ltd
Priority to CN201611100600.0A priority Critical patent/CN106636796A/en
Publication of CN106636796A publication Critical patent/CN106636796A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023Alloys based on aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

The invention discloses a aluminum alloy material for conductive use and a preparation method thereof. The aluminum alloy material for conductive use is prepared by smelting the following alloy elements in percentage by mass: 2.57 to 2.63% of magnesium, 1.26 to 1.49% of stannum, 0.36 to 0.67% of molybdenum, 0.11 to 0.20% of germanium, 0.044 to 0.049% of magnesium, 0.026 to 0.037% of nickel, and the balance of aluminum. The preparation method comprises the following steps of (1) preparation and pretreatment: according to elements needed to be smelted in the aluminum alloy material, collecting and preparing the raw materials containing the elements, and performing purifying operation on the raw material containing aluminum by an electrolysis method; (2) smelting and forming: under the argon protection condition, putting the metal powder into a medium-frequency induction heating furnace, smelting, cooling, and casting into a die; stilling, demolding, and forming, so as to obtain the aluminum alloy material for conductive use. The aluminum alloy material for conductive use has the beneficial effects that the cost is low, the electric property is excellent, the large-scale production is realized, and the like.

Description

A kind of conduction aluminum alloy materials and preparation method thereof
Technical field
The present invention relates to technical field of metal, specifically a kind of conduction aluminum alloy materials and preparation method thereof.
Background technology
At present most commonly used used in overhead transmission line is still steel-cored aluminium strand (ACSR), the big face of this kind of wire amount Extensively, produce and application is more ripe.But with the needs that technological progress and power industry develop, the in the world transmission of electricity of many countries All kinds of aluminium alloy conductors are widely used on circuit, mainly have all aluminium alloy twisted wire (AAAC), aluminum stranded wire of aluminum alloy core (ACAR), Several classes such as steel core aluminum alloy stranded wire (AACSR).Divide from alloy wire performance, high-strength aluminum alloy line, middle intensity aluminium can be divided into again Alloy wire and heat-resisting series alloys line.But at present the electric conductivity of domestic aluminium alloy conductor used for transmission line is weaker, anti- The low present situation of tensile strength.
The content of the invention
It is an object of the invention to provide a kind of conduction aluminum alloy materials and preparation method thereof, to solve above-mentioned background skill The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme:
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.57- 2.63%th, tin 1.26-1.49%, molybdenum 0.36-0.67%, germanium 0.11-0.20%, manganese 0.044-0.049%, nickel 0.026- 0.037%, balance of aluminium.
As further scheme of the invention:The conduction aluminum alloy materials, by the alloy unit of following mass percent Plain melting is formed:Magnesium 2.60-2.61%, tin 1.33-1.40%, molybdenum 0.47-0.50%, germanium 0.16-0.17%, manganese 0.047- 0.048%th, nickel 0.029-0.032%, balance of aluminium.
As further scheme of the invention:The conduction aluminum alloy materials, by the alloy unit of following mass percent Plain melting is formed:Magnesium 2.61%, tin 1.36%, molybdenum 0.49%, germanium 0.17%, manganese 0.048%, nickel 0.031%, balance of aluminium.
As further scheme of the invention:The raw material sources of aluminium are in electronic equipment in the conduction aluminum alloy materials Reclaim.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
As further scheme of the invention:The raw material containing aluminium element is carried by electrolytic method in concrete steps (1) Pure operation, the electrolytic method carry out purification operations be specially by containing aluminium element raw material be added in electrolytic cell obtain aluminium melt Body, is subsequently added ice crystal and titanium dioxide heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electricity Solution, obtains solid-state aluminium block after condensation.
Compared with prior art, the invention has the beneficial effects as follows:
Conduction aluminum alloy materials prepared by the present invention, with low cost, electric property is excellent, can be mass-produced etc. has Beneficial feature, and can at -20 DEG C to 60 DEG C Long-Time Service, intensity, electric conductivity and heat resistance index are all up super heat-resisting The international standard of alloy.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.57%, tin 1.26%th, molybdenum 0.36%, germanium 0.11%, manganese 0.044%, nickel 0.026%, balance of aluminium;In the conduction aluminum alloy materials The raw material sources of aluminium are in the recovery of electronic equipment.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
Wherein:The raw material containing aluminium element carries out purification operations, the electrolytic method by electrolytic method in concrete steps (1) Carry out purification operations and be specially to be added in electrolytic cell and obtaining aluminum melt the raw material containing aluminium element, be subsequently added ice crystal and titanium White powder heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid aluminum is obtained after condensation Block.
Embodiment 2
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.60%, tin 1.33%th, molybdenum 0.47%, germanium 0.16%, manganese 0.047%, nickel 0.029%, balance of aluminium;In the conduction aluminum alloy materials The raw material sources of aluminium are in the recovery of electronic equipment.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
Wherein:The raw material containing aluminium element carries out purification operations, the electrolytic method by electrolytic method in concrete steps (1) Carry out purification operations and be specially to be added in electrolytic cell and obtaining aluminum melt the raw material containing aluminium element, be subsequently added ice crystal and titanium White powder heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid aluminum is obtained after condensation Block.
Embodiment 3
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.61%, tin 1.36%th, molybdenum 0.49%, germanium 0.17%, manganese 0.048%, nickel 0.031%, balance of aluminium;In the conduction aluminum alloy materials The raw material sources of aluminium are in the recovery of electronic equipment.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
Wherein:The raw material containing aluminium element carries out purification operations, the electrolytic method by electrolytic method in concrete steps (1) Carry out purification operations and be specially to be added in electrolytic cell and obtaining aluminum melt the raw material containing aluminium element, be subsequently added ice crystal and titanium White powder heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid aluminum is obtained after condensation Block.
Embodiment 4
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.61%, tin 1.40%th, molybdenum 0.50%, germanium 0.17%, manganese 0.048%, nickel 0.032%, balance of aluminium;In the conduction aluminum alloy materials The raw material sources of aluminium are in the recovery of electronic equipment.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
Wherein:The raw material containing aluminium element carries out purification operations, the electrolytic method by electrolytic method in concrete steps (1) Carry out purification operations and be specially to be added in electrolytic cell and obtaining aluminum melt the raw material containing aluminium element, be subsequently added ice crystal and titanium White powder heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid aluminum is obtained after condensation Block.
Embodiment 5
A kind of conduction aluminum alloy materials, are formed by the alloying element melting of following mass percent:Magnesium 2.63%, tin 1.49%th, molybdenum 0.67%, germanium 0.20%, manganese 0.049%, nickel 0.037%, balance of aluminium;In the conduction aluminum alloy materials The raw material sources of aluminium are in the recovery of electronic equipment.
A kind of preparation method of conduction aluminum alloy materials, concretely comprises the following steps:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is entered Row is collected and prepared, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and containing The raw material of tin element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element are respectively directly using pure Metal material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, gold after mixing Particle mean size d of category powder is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with, in being subsequently placed at Medium Frequency Induction Heating Furnace Melting is carried out, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, be incubated 42min, subsequently cooled down, be cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
Wherein:The raw material containing aluminium element carries out purification operations, the electrolytic method by electrolytic method in concrete steps (1) Carry out purification operations and be specially to be added in electrolytic cell and obtaining aluminum melt the raw material containing aluminium element, be subsequently added ice crystal and titanium White powder heating obtains electrolyte fused salt, controls temperature for 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid aluminum is obtained after condensation Block.
In sum, conduction prepared by embodiment of the present invention 1-5 is tested with aluminum alloy materials, its electrical conductivity exists 53-56S/cm, and tensile strength is in the range of 134-149MPa;Inventor has been carried out under -20 DEG C to 60 DEG C environment temperatures again, is led The conductivity of electricity aluminum alloy materials only declines 1.3%, when environment temperature is in -40 DEG C or 100 DEG C, conduction aluminium alloy material The conductivity of material is reduced only by 4.8%.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective Make a variety of changes.

Claims (6)

1. a kind of conduction aluminum alloy materials, it is characterised in that formed by the alloying element melting of following mass percent:Magnesium 2.57-2.63%, tin 1.26-1.49%, molybdenum 0.36-0.67%, germanium 0.11-0.20%, manganese 0.044-0.049%, nickel 0.026-0.037%, balance of aluminium.
2. conduction aluminum alloy materials according to claim 1, it is characterised in that the conduction aluminum alloy materials, by The alloying element melting of following mass percent is formed:Magnesium 2.60-2.61%, tin 1.33-1.40%, molybdenum 0.47-0.50%, germanium 0.16-0.17%, manganese 0.047-0.048%, nickel 0.029-0.032%, balance of aluminium.
3. conduction aluminum alloy materials according to claim 1, it is characterised in that the conduction aluminum alloy materials, by The alloying element melting of following mass percent is formed:Magnesium 2.61%, tin 1.36%, molybdenum 0.49%, germanium 0.17%, manganese 0.048%th, nickel 0.031%, balance of aluminium.
4. conduction aluminum alloy materials according to claim 1, it is characterised in that aluminium in the conduction aluminum alloy materials Raw material sources in the recovery of electronic equipment.
5. a kind of preparation method of the conduction aluminum alloy materials as described in claim 1-4 is arbitrary, it is characterised in that concrete step Suddenly it is:
(1) prepare and pre-process:According to the element of melting needed for aluminum alloy materials, subsequently the raw material containing each element is received Collection prepares, wherein the raw material containing aluminium element carries out purification operations by electrolytic method, wherein the raw material containing magnesium elements and stanniferous unit The raw material of element is milled respectively through calcining and carries out electrorefining, and remaining molybdenum, germanium, manganese, nickel element directly adopt respectively simple metal Material, is then proportionally ground the pure powder of each element, places in batch mixer after grinding and mixes, metal powder after mixing Particle mean size d at end is less than or equal to 100 μm;
(2) melting and shaping:Under the protection of argon gas, by metal dust with being subsequently placed in Medium Frequency Induction Heating Furnace is carried out Melting, programming rate is 50 DEG C/min, until being warming up to 1300 DEG C, is incubated 42min, is subsequently cooled down, and is cooled to 632.7 DEG C, in being poured into mould, stripping forming is carried out after standing, obtain final product conduction aluminum alloy materials.
6. the preparation method of conduction aluminum alloy materials according to claim 4, it is characterised in that in concrete steps (1) Raw material containing aluminium element carries out purification operations by electrolytic method, and the electrolytic method carries out purification operations will specially contain aluminium unit The raw material of element is added in electrolytic cell and obtains aluminum melt, is subsequently added ice crystal and titanium dioxide heating obtains electrolyte fused salt, control Temperature processed is 823 DEG C, and voltage is 6.2V, and be powered electrolysis, and solid-state aluminium block is obtained after condensation.
CN201611100600.0A 2016-12-05 2016-12-05 Conductive aluminum alloy material and preparation method thereof Pending CN106636796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611100600.0A CN106636796A (en) 2016-12-05 2016-12-05 Conductive aluminum alloy material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611100600.0A CN106636796A (en) 2016-12-05 2016-12-05 Conductive aluminum alloy material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106636796A true CN106636796A (en) 2017-05-10

Family

ID=58819124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611100600.0A Pending CN106636796A (en) 2016-12-05 2016-12-05 Conductive aluminum alloy material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106636796A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053085A (en) * 1988-04-28 1991-10-01 Yoshida Kogyo K.K. High strength, heat-resistant aluminum-based alloys
CN105039808A (en) * 2015-08-04 2015-11-11 安徽科蓝特铝业有限公司 Novel energy-saving aluminum alloy profile and manufacturing technique thereof
CN105039790A (en) * 2015-06-29 2015-11-11 余姚市朗霞镇大众铸件精工厂 Aluminum alloy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053085A (en) * 1988-04-28 1991-10-01 Yoshida Kogyo K.K. High strength, heat-resistant aluminum-based alloys
CN105039790A (en) * 2015-06-29 2015-11-11 余姚市朗霞镇大众铸件精工厂 Aluminum alloy
CN105039808A (en) * 2015-08-04 2015-11-11 安徽科蓝特铝业有限公司 Novel energy-saving aluminum alloy profile and manufacturing technique thereof

Similar Documents

Publication Publication Date Title
CN103695825B (en) A kind of preparation method of high-strength copper Cr-Zr alloy fine rule conductor of high conductivity
CN103952605B (en) A kind of preparation method of middle strength aluminium alloy monofilament
CN101886198A (en) High-conductivity aluminum alloy material for cable and preparation method thereof
CN105609155B (en) A kind of high-conductivity hard aluminum wire monofilament and preparation method thereof
CN102162050A (en) Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent
CN102610294B (en) Manufacturing method of energy-saving strong-strength aluminum alloy wire
CN102453819A (en) Manufacture method of medium-strength aluminum alloy wire with electrical conductivity of 59 percent
CN102766788A (en) Preparation method of moderate strength Al-Mg-Si alloy rods and alloy wires through natural ageing treatment
CN103266241B (en) A kind of Rare earth aluminum alloy conductor material and production method thereof
CN103469007B (en) Senior terminal connector copper alloy and its preparation method and application
CN108559877A (en) The processing technology of 6 line aluminium alloy cut deals of charging pile conductive pieces
CN106834820A (en) Strong height leads aluminium alloy single line and preparation method thereof in one kind
CN109628774A (en) The production method of middle intensity non-aged aluminum alloy electrician circle aluminium bar
CN105506317B (en) A kind of preparation method of high conductivity heat-resistant aluminum alloy wire
CN106676300B (en) A kind of production technology of alloy round aluminum rod
CN105908031B (en) Aluminum alloy materials of high conductivity and preparation method thereof
CN106756308A (en) A kind of conductive special type aluminum alloy materials and preparation method thereof
CN104561674A (en) Heat-resistant aluminum alloy conductor material with electric conductivity of 62 percent and preparation method for heat-resistant aluminum alloy conductor material
CN108823464B (en) Copper alloy material and preparation method thereof
CN106811626A (en) A kind of rare-earth aluminum alloy lead wire
CN103789586A (en) Novel moderate-strength high-conductivity aluminum alloy electrician round bar
CN106636796A (en) Conductive aluminum alloy material and preparation method thereof
CN102456442A (en) Manufacturing method for medium-strength aluminum alloy wire with electrical conductivity of 57 percent
JP2012087376A (en) Recycling method of copper scrap material
CN106636805A (en) Electrically-conductive special-type aluminum alloy material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170510