CN108586977A - The preparation method of copper-aluminium alloy cable material - Google Patents
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- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
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Abstract
The invention discloses the preparation methods of albronze cable material, the technique is by vinyltriethoxysilane, polymethylphenyl siloxane fluid, sodium pyrosulfite, cyclosiloxane fatty ester, repefral, manganese acetate, sodium chromate, the raw materials such as hexa be prepared into activation adhesive after with polyvinyl chloride, diisooctyl phthalate, thermoplastic polyester micro mist, maleic anhydride polyolefin, γ-aminopropyl trimethoxysilane, magnesium hydroxide, ethyl orthosilicate, tetraethyl orthocarbonate, alunite, copper powder, aluminium powder, the raw materials such as aluminium oxide pass through high temperature mixing respectively, magnetic agitation, casting die, stand cooling, water cooling drawing, solid solution aging and etc. albronze cable material is prepared.The albronze cable material being prepared, chemical property is good, resistance to oxidation, can be adapted for a variety of user demands.
Description
Technical field
The present invention relates to cable material technical fields, and in particular to arrives the preparation method of copper-aluminium alloy cable material.
Background technology
Alloy cable-i.e. aluminium alloy power cable, using the advanced technologies invention wound such as special impacted process and annealing
The new material power cable made.Alloy power cable compensates for the deficiency of previous fine aluminium cable, improves the electric conductivity of cable
Energy, bending property, creep-resistant property and corrosion resistance etc. can ensure that cable keeps continuous in long term overloading and overheat
Performance is stablized, and conductivity, the heat-resisting quantity of aluminium alloy cable can be greatly improved, while it is rotten to solve fine aluminium conductor electrochemistry
The problems such as erosion, creep.Since nineteen sixty-eight, U.S. south cable companies begin to development and production alloy power cable, and in U.S.
The countries such as state, Canada, Mexico start to promote and apply.It is mainly used in airport, military base, office block, house, wine
The construction projects such as shop, supermarket, universities and colleges, stadium, hospital, industrial building.More than 40 years of alloy cable are applied successfully in the U.S., never go out
Now cross any safety accident.All it is at present using alloy power electricity in the municipal civilian and work in 90% or more the U.S., commercial building
Cable, it is consistent with convenient laying etc. in security performance with electrical design teacher that alloy power cable obtains American Architecture designer
Certainly and recommend.Begin within 2008, aluminium alloy cable starts to answer in China's Rapid Popularization, obtains quotient is applied in vast power engineering one
Cause affirmative and favorable comment.Research is found the case where obtaining with the less big electric property of high-strength alloy gap and mechanical property
Under, the electric property of middle strength aluminium alloy conducting wire is significantly larger than high-strength aluminum alloy conducting wire.According to Chinese energy professional standard, in
Strength aluminium alloy line is defined as：Conductivity is not less than 57.0%IACS at 20 DEG C, and tensile strength is between 230MPa~295MPa
All types of aluminium alloy wires.6 conventional line aluminium alloy conducting wire intensity often increase 10Mpa, and conductivity will reduce 1% or so,
Ensureing not reducing excessive conducting wire intensity, conductivity is difficult to improve to 62%IACS or more.
Invention content
In order to solve the above-mentioned technical problem, the invention discloses the preparation method of copper-aluminium alloy cable material, which will
Vinyltriethoxysilane, polymethylphenyl siloxane fluid, sodium pyrosulfite, cyclosiloxane fatty ester, repefral, acetic acid
The raw materials such as manganese, sodium chromate, hexa be prepared into activation adhesive after with polyvinyl chloride, diisooctyl phthalate,
Thermoplastic polyester micro mist, maleic anhydride polyolefin, γ-aminopropyl trimethoxysilane, magnesium hydroxide, ethyl orthosilicate, former carbon
The raw materials such as sour tetra-ethyl ester, alunite, copper powder, aluminium powder, aluminium oxide pass through high temperature mixing, magnetic agitation, casting die, standing respectively
Cooling, water cooling drawing, solid solution aging and etc. copper-aluminium alloy cable material is prepared.Copper-the aluminium alloy cable being prepared
Material, chemical property is good, resistance to oxidation, can be adapted for a variety of user demands.
Technical solution：To solve the above-mentioned problems, the present invention provides the preparation method of copper-aluminium alloy cable material, packets
Include following steps：
（1）By 25-35 parts of polyvinyl chloride, 10-20 parts of diisooctyl phthalate, 5-13 parts of thermoplastic polyester micro mist, Malaysia
2-6 parts of acid anhydrides polyolefin, γ -1-3 parts of aminopropyl trimethoxysilane, 2-4 parts of magnesium hydroxide, 3-6 parts of ethyl orthosilicate, original
2-5 parts of 3-5 parts of carbonic acid tetra-ethyl ester, 1-3 parts of alunite, 5-10 parts of copper powder, 7-15 parts of aluminium powder, aluminium oxide mixing, are added to pre- in advance
In the diamino diphenyl sulfone solution of heat to 65 DEG C, mixer is injected after stirring evenly together, temperature is increased to 850-920 DEG C,
Pyroreaction 3-6h, be cooled to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, then by mixture
It is cast to standing cooling in mold and obtains ingot casting；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, then carry out solid solution and at the beginning of timeliness obtains cable material
Product；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
Preferably, the step（1）In heating rate be 60 DEG C/min.
Preferably, the step（2）In supersound process frequency be 50-60KHz, power 500-800W, when ultrasonic
Between be 20-45 minutes.
Preferably, the step（3）In stirring use bilateral flow electromagnetic agitation, frequency 20-35Hz.
Preferably, the step（4）In drawing process use Water Cooling Technology, temperature be 0-4 DEG C.
Preferably, the step（4）In solid solubility temperature be 500-520 DEG C, time 12-15h.
Preferably, the step（4）In heat treatment timeliness be 170-175 DEG C, time 4-8h.
Compared with prior art, the present invention advantage is：
（1）The preparation method of copper-aluminium alloy cable material of the present invention is by vinyltriethoxysilane, polymethylphenyl siloxane fluid, coke
It is prepared by the raw materials such as sodium sulfite, cyclosiloxane fatty ester, repefral, manganese acetate, sodium chromate, hexa
At activation adhesive after with polyvinyl chloride, diisooctyl phthalate, thermoplastic polyester micro mist, maleic anhydride polyolefin,
γ-aminopropyl trimethoxysilane, magnesium hydroxide, ethyl orthosilicate, tetraethyl orthocarbonate, alunite, copper powder, aluminium powder, oxidation
The raw materials such as aluminium respectively pass through high temperature mixing, magnetic agitation, casting die, stand cooling, water cooling drawing, solid solution aging and etc. system
It is standby to obtain copper-aluminium alloy cable material.The copper being prepared-aluminium alloy cable material, chemical property is good, resistance to oxidation, can
To be suitable for a variety of user demands.
（2）Copper-aluminium alloy cable material feedstock of the present invention is easy to get, is simple for process, is suitable for heavy industrialization and uses, real
It is strong with property.
Specific implementation mode
Embodiment 1
（1）By 25 parts of polyvinyl chloride, 10 parts of diisooctyl phthalate, 5 parts of thermoplastic polyester micro mist, maleic anhydride polyolefin
2 parts, 1 part of γ-aminopropyl trimethoxysilane, 2 parts of magnesium hydroxide, 3 parts of ethyl orthosilicate, 3 parts of tetraethyl orthocarbonate, alum
2 parts of 1 part of stone, 5 parts of copper powder, 7 parts of aluminium powder, aluminium oxide mixing, are added to and are preheated in 65 DEG C of diamino diphenyl sulfone solution in advance,
Mixer is injected after stirring evenly together, temperature is increased to 850 DEG C, and heating rate is 60 DEG C/min, and pyroreaction 3h is cooled to
350 DEG C spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 50KHz, and power 500W, ultrasonic time is 20 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 20Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 500 DEG C, time 12h, and heat treatment timeliness is 170
DEG C, time 4h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Embodiment 2
（1）By 28 parts of polyvinyl chloride, 13 parts of diisooctyl phthalate, 7 parts of thermoplastic polyester micro mist, maleic anhydride polyolefin
4 parts, 2 parts of γ-aminopropyl trimethoxysilane, 2 parts of magnesium hydroxide, 4 parts of ethyl orthosilicate, 4 parts of tetraethyl orthocarbonate, alum
3 parts of 2 parts of stone, 7 parts of copper powder, 9 parts of aluminium powder, aluminium oxide mixing, are added to and are preheated in 65 DEG C of diamino diphenyl sulfone solution in advance,
Mixer is injected after stirring evenly together, temperature is increased to 870 DEG C, and heating rate is 60 DEG C/min, and pyroreaction 4h is cooled to
350 DEG C spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 52KHz, and power 600W, ultrasonic time is 25 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 25Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 505 DEG C, time 13h, and heat treatment timeliness is 172
DEG C, time 5h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Embodiment 3
（1）By 32 parts of polyvinyl chloride, 17 parts of diisooctyl phthalate, 12 parts of thermoplastic polyester micro mist, maleic anhydride polyene
It is 5 parts of hydrocarbon, 2 parts of γ-aminopropyl trimethoxysilane, 3 parts of magnesium hydroxide, 5 parts of ethyl orthosilicate, 4 parts of tetraethyl orthocarbonate, bright
4 parts of 2 parts of aluminite, 9 parts of copper powder, 13 parts of aluminium powder, aluminium oxide mixing, are added to the advance diamino diphenyl sulfone solution for being preheated to 65 DEG C
In, mixer is injected after stirring evenly together, temperature is increased to 900 DEG C, and heating rate is 60 DEG C/min, pyroreaction 5h, drop
Temperature to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 55KHz, and power 700W, ultrasonic time is 35 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 30Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 515 DEG C, time 14h, and heat treatment timeliness is 174
DEG C, time 7h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Embodiment 4
（1）By 35 parts of polyvinyl chloride, 20 parts of diisooctyl phthalate, 13 parts of thermoplastic polyester micro mist, maleic anhydride polyene
It is 6 parts of hydrocarbon, 3 parts of γ-aminopropyl trimethoxysilane, 4 parts of magnesium hydroxide, 6 parts of ethyl orthosilicate, 5 parts of tetraethyl orthocarbonate, bright
5 parts of 3 parts of aluminite, 10 parts of copper powder, 15 parts of aluminium powder, aluminium oxide mixing, it is molten to be added to the advance diamino diphenyl sulfone for being preheated to 65 DEG C
In liquid, mixer is injected after stirring evenly together, temperature is increased to 920 DEG C, and heating rate is 60 DEG C/min, pyroreaction 6h,
Be cooled to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 60KHz, and power 800W, ultrasonic time is 45 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 35Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 520 DEG C, time 15h, and heat treatment timeliness is 175
DEG C, time 8h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Comparative example 1
（1）By 25 parts of polyvinyl chloride, 10 parts of diisooctyl phthalate, 5 parts of thermoplastic polyester micro mist, γ-aminopropyl front three
1 part of oxysilane, 2 parts of magnesium hydroxide, 3 parts of tetraethyl orthocarbonate, 1 part of alunite, 5 parts of copper powder, 7 parts of aluminium powder, 2 parts of aluminium oxide are mixed
It closes, is added to and is preheated in 65 DEG C of diamino diphenyl sulfone solution in advance, inject mixer after stirring evenly together, temperature increases
To 850 DEG C, heating rate is 60 DEG C/min, pyroreaction 3h, be cooled to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 50KHz, and power 500W, ultrasonic time is 20 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 20Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 500 DEG C, time 12h, and heat treatment timeliness is 170
DEG C, time 4h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Comparative example 2
（1）By 35 parts of polyvinyl chloride, 20 parts of diisooctyl phthalate, 13 parts of thermoplastic polyester micro mist, maleic anhydride polyene
It is 6 parts of hydrocarbon, 3 parts of γ-aminopropyl trimethoxysilane, 4 parts of magnesium hydroxide, 6 parts of ethyl orthosilicate, 5 parts of tetraethyl orthocarbonate, bright
Mixer is injected together after 5 parts of 3 parts of aluminite, 10 parts of copper powder, 15 parts of aluminium powder, aluminium oxide mixing, and temperature is increased to 920 DEG C, heating
Rate be 60 DEG C/min, pyroreaction 6h, be cooled to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, the frequency of supersound process is 60KHz, and power 800W, ultrasonic time is 45 minutes, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, stirring is using two-way
Then mixture is cast to standing cooling in mold and obtains ingot casting by convection current electromagnetic agitation, frequency 35Hz；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, it is 0-4 DEG C that drawing process, which uses Water Cooling Technology, temperature,
Then it carries out solid solution and timeliness obtains cable material first product, solid solubility temperature is 520 DEG C, time 15h, and heat treatment timeliness is 175
DEG C, time 8h；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
The performance test results of copper obtained-aluminium alloy cable material are as shown in table 1.
Copper obtained-aluminium alloy cable material of embodiment 1-4 and comparative example 1-2 is subjected to face crack rate respectively, is resisted
This several croop property, surface resistivity performance tests.
Table 1
| Face crack rate（%） | Creep-resistant property % | Surface resistivity（Ω） | |
| Embodiment 1 | 10.48 | 343 | 1.34×1016 |
| Embodiment 2 | 10.79 | 357 | 1.43×1016 |
| Embodiment 3 | 10.67 | 348 | 1.48×1016 |
| Embodiment 4 | 10.91 | 352 | 1.50×1016 |
| Comparative example 1 | 20.17 | 264 | 5.51×1012 |
| Comparative example 2 | 28.66 | 215 | 7.07×1011 |
The preparation method of copper-aluminium alloy cable material of the present invention is by vinyltriethoxysilane, polymethylphenyl siloxane fluid, burnt sulfurous
The preparation of the raw materials such as sour sodium, cyclosiloxane fatty ester, repefral, manganese acetate, sodium chromate, hexa survives
Change adhesive after with polyvinyl chloride, diisooctyl phthalate, thermoplastic polyester micro mist, maleic anhydride polyolefin, γ-ammonia
The originals such as propyl trimethoxy silicane, magnesium hydroxide, ethyl orthosilicate, tetraethyl orthocarbonate, alunite, copper powder, aluminium powder, aluminium oxide
Material respectively pass through high temperature mixing, magnetic agitation, casting die, stand cooling, water cooling drawing, solid solution aging and etc. be prepared
Copper-aluminium alloy cable material.The copper being prepared-aluminium alloy cable material, chemical property is good, resistance to oxidation, can be applicable in
In a variety of user demands.Copper-aluminium alloy cable material feedstock of the present invention is easy to get, is simple for process, is suitable for heavy industrialization and transports
With highly practical.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. the preparation method of bronze medal-aluminium alloy cable material, which is characterized in that include the following steps：
（1）By 25-35 parts of polyvinyl chloride, 10-20 parts of diisooctyl phthalate, 5-13 parts of thermoplastic polyester micro mist, Malaysia
2-6 parts of acid anhydrides polyolefin, γ -1-3 parts of aminopropyl trimethoxysilane, 2-4 parts of magnesium hydroxide, 3-6 parts of ethyl orthosilicate, original
2-5 parts of 3-5 parts of carbonic acid tetra-ethyl ester, 1-3 parts of alunite, 5-10 parts of copper powder, 7-15 parts of aluminium powder, aluminium oxide mixing, are added to pre- in advance
In the diamino diphenyl sulfone solution of heat to 65 DEG C, mixer is injected after stirring evenly together, temperature is increased to 850-920 DEG C,
Pyroreaction 3-6h, be cooled to 350 DEG C it is spare；
（2）By 3 parts of vinyltriethoxysilane, 1 part of polymethylphenyl siloxane fluid, 4 parts of sodium pyrosulfite, 2 parts of cyclosiloxane fatty ester,
5 parts of repefral, 1 part of manganese acetate, 2 parts of sodium chromate, 4 parts of hexa carry out ultrasound point after mixing
It dissipates, prepares activation adhesive；
（3）By step（2）Activation adhesive be added to step（1）Mixture in, be uniformly mixed, then by mixture
It is cast to standing cooling in mold and obtains ingot casting；
（4）By step（3）Ingot casting extruding be drawn into linear or sheet, then carry out solid solution and at the beginning of timeliness obtains cable material
Product；
（5）By step（4）Cable material first product cut, plastotype, packaging are got product.
2. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（1）In
Heating rate be 60 DEG C/min.
3. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（2）In
Supersound process frequency be 50-60KHz, power 500-800W, ultrasonic time be 20-45 minutes.
4. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（3）In
Stirring use bilateral flow electromagnetic agitation, frequency 20-35Hz.
5. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（4）In
Drawing process use Water Cooling Technology, temperature be 0-4 DEG C.
6. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（4）In
Solid solubility temperature be 500-520 DEG C, time 12-15h.
7. the preparation method of copper according to claim 1-aluminium alloy cable material, which is characterized in that the step（4）In
Heat treatment timeliness be 170-175 DEG C, time 4-8h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313976.2A CN108586977A (en) | 2018-04-10 | 2018-04-10 | The preparation method of copper-aluminium alloy cable material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313976.2A CN108586977A (en) | 2018-04-10 | 2018-04-10 | The preparation method of copper-aluminium alloy cable material |
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| CN102162050A (en) * | 2011-01-28 | 2011-08-24 | 江苏中天科技股份有限公司 | Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent |
| EP2669900A1 (en) * | 2011-01-24 | 2013-12-04 | La Farga Lacambra, S.A. | Electrical conductor for transporting electrical energy and corresponding production method |
| CN104057091A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for hydrolyzing and removing polymer from moldings |
| CN105256199A (en) * | 2015-11-16 | 2016-01-20 | 利辛县江淮扬天汽车有限公司 | Bearing material with high running-in performance and low friction coefficient |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2669900A1 (en) * | 2011-01-24 | 2013-12-04 | La Farga Lacambra, S.A. | Electrical conductor for transporting electrical energy and corresponding production method |
| CN102162050A (en) * | 2011-01-28 | 2011-08-24 | 江苏中天科技股份有限公司 | Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent |
| CN104057091A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for hydrolyzing and removing polymer from moldings |
| CN105256199A (en) * | 2015-11-16 | 2016-01-20 | 利辛县江淮扬天汽车有限公司 | Bearing material with high running-in performance and low friction coefficient |
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Application publication date: 20180928 |