CN108588473A - A kind of Cu alloy material of motor device and preparation method thereof - Google Patents
A kind of Cu alloy material of motor device and preparation method thereof Download PDFInfo
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- CN108588473A CN108588473A CN201810540222.0A CN201810540222A CN108588473A CN 108588473 A CN108588473 A CN 108588473A CN 201810540222 A CN201810540222 A CN 201810540222A CN 108588473 A CN108588473 A CN 108588473A
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- 239000000956 alloy Substances 0.000 title claims abstract description 32
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052802 copper Inorganic materials 0.000 claims abstract description 36
- 239000010949 copper Substances 0.000 claims abstract description 36
- 239000012535 impurity Substances 0.000 claims abstract description 30
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 24
- 229910052718 tin Inorganic materials 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011572 manganese Substances 0.000 claims abstract description 22
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011701 zinc Substances 0.000 claims abstract description 19
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 19
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 239000011135 tin Substances 0.000 claims description 23
- 238000005266 casting Methods 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000005275 alloying Methods 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 9
- 229910052709 silver Inorganic materials 0.000 abstract description 4
- 239000004332 silver Substances 0.000 abstract description 4
- 238000013036 cure process Methods 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical group [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910001097 yellow gold Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of Cu alloy materials of motor device and preparation method thereof, are grouped as by the group of following weight percent：Zinc：0.8 1.1%, tin：0.8 1.1%, manganese：0.4 0.6%, nickel：0.4 0.6%, inevitable impurity iron is less than or equal to 0.03%, and inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.The relatively low tin of chosen material price, zinc, manganese and nickel element under the premise of ensureing alloy material electric conductivity, reduce the cost of manufacture of material, while improving the intensity of material, hardness for replacing silver；The actual effect cure process effect for improving material, meets material and is used under 400 DEG C of environment；Promote service life of the material in Electronic locomotive conductive component.
Description
Technical field
The present invention relates to field of alloy material, more particularly to the Cu alloy material of a kind of motor device and its preparation side
Method.
Background technology
TAg0.1 yellow golds are a kind of alloy materials, it is not reduce material by the way that a small amount of silver is added in copper
Conduction, heat conduction and it is moulding while, for improving the softening temperature (recrystallization temperature) and creep strength of material.The material
Tool has good wearability, electric conductivity and corrosion resistance, and when being such as fabricated to contact line, service life is higher 2-4 than general hard copper
Times；And the features such as good conduction, heat conduction, anti-corrosion and processing performance, it can weld and be brazed；But the material actual effect is hard
The effect of change is not notable, and easily causes " hydrogen disease ", should not high temperature (such as>370 DEG C) processing (annealing, weldering in reducing atmosphere
Connect) and use；Therefore, intensity is generally improved using flow harden.The material is mainly used for making heat-resisting, conductive equipment,
Such as motor commutator sheet, generator amature conductor, spot-wedling electrode, connection, lead, conducting wire, electrical tube material.With height
The application of the fast development of fast railway, such material achieves progress, but since material cost is higher, and service life has
It waits further increasing, use environment (being higher than 370 DEG C) needs further diversification etc., limits corresponding use.
Invention content
For the above defect of the existing technology, it is a primary object of the present invention to overcome the deficiencies in the prior art it
Place discloses a kind of Cu alloy material of motor device and preparation method thereof, is grouped as by the group of following weight percent：
Zinc：0.8-1.1%, tin：0.8-1.1%, manganese：0.4-0.6%, nickel：0.4-0.6%, inevitable impurity iron are less than or equal to
0.03%, inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.
Further, it is grouped as by the group of following weight percent：Zinc：0.9%, tin：0.9%, manganese：0.45%, nickel：
0.45%, inevitable impurity iron is less than or equal to 0.03%, and inevitable impurity lead is less than or equal to 0.03%, and surplus is
Copper.
Further, it is grouped as by the group of following weight percent：Zinc：0.95%, tin：0.95%, manganese：0.5%, nickel：
0.5%, inevitable impurity iron is less than or equal to 0.03%, and inevitable impurity lead is less than or equal to 0.03%, and surplus is
Copper.
Further, it is grouped as by the group of following weight percent：Zinc：1.0%, tin：1.0%, manganese：0.55%, nickel：
0.55%, inevitable impurity iron is less than or equal to 0.03%, and inevitable impurity lead is less than or equal to 0.03%, and surplus is
Copper.
The preparation method of the Cu alloy material of a kind of motor device provided by the invention, which is characterized in that including following
Step：
1) copper is added in electric furnace and carries out melting, be gradually heating to 1280 DEG C, violent will then be added in copper solution into
Row melting, smelting time are 1-2 hours；
2) tin, zinc, nickel are proportionally added in copper alloy water, and open agitating device and carries out mechanical agitation, it is complete
1050 DEG C are cooled to after.
3) composition detection is carried out to the copper alloy water that melting is completed, to determine its alloying component within acceptability limit；
4) vibrating device and agitating device are opened, and opens casting drawing equipment, is cast according to scheduled shape of product
Blank proximate matter, casting temperature are 1080 DEG C；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
Further, the electric furnace in step 1) is middle frequency furnace, and capacity is 500KG.
Further, the smelting temperature in step 2) is reduced to 1150-1200 DEG C,
Further, mixing speed is 260r/min, mixing time 15min in step 2).
Further, composition detection is carried out by Spike direct-reading spectrometer pairing Jinsui River in step 3).
Further, step 4) vibration frequency is set as 15-20 times/second, and mixing speed is set as 150r/min, drawing
Speed is 15mm/min.
The advantageous effect that the present invention obtains：
The relatively low tin of chosen material price, zinc, manganese and nickel element are for replacing silver, before ensureing alloy material electric conductivity
It puts, reduces the cost of manufacture of material, while improving the intensity of material, hardness；The actual effect cure process effect of material is improved,
Meet material to use under 400 DEG C of environment；Promote service life of the material in Electronic locomotive conductive component.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiment to the present invention
It is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention.
Embodiment one
It is zinc (Zn) according to mass percent：0.8%, tin (Sn)：0.8%, manganese (Mn)：0.4%, nickel (Ni)：0.4%
And the copper of surplus weighs these raw materials.Inevitably contain some impurity in these raw materials, the present invention claims impurity irons
(Fe) it is less than 0.03% relative to the mass percent of total raw material, mass percent of the impurity lead (Pb) relative to total raw material
Less than 0.03%.
1) copper is added in the middle frequency furnace of 500KG and carries out melting, be gradually heating to 1280 DEG C, then by violent addition
To melting is carried out in copper solution, smelting time is 1 hour；
2) tin, zinc, nickel are proportionally added in copper alloy water, temperature is reduced to 1150 DEG C, and opens stirring dress
Carry out mechanical agitation is set, 15min is stirred with the mixing speed of 260r/min, is cooled to 1050 DEG C after the completion.
3) Spike direct-reading spectrometer is used to carry out composition detection to the copper alloy water that melting is completed, to determine its alloy
Ingredient is within acceptability limit；
4) vibrating device and agitating device to be opened, and opens casting drawing equipment, vibration frequency is set as 15 times/second,
Mixing speed is set as 150r/min, drawing speed 15mm/min, according to scheduled shape of product cast blank proximate matter, casting
It is 1080 DEG C to make temperature；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
The preparation-obtained copper-based alloy material of the method according to the invention (is labeled as LZCu-Sn1-Zn1-Mn0.5-
Ni0.5) with the performance comparison such as following table of the TAg0.1 materials of the prior art：
Table 1
Embodiment two
It is zinc (Zn) according to mass percent：0.9%, tin (Sn)：0.9%, manganese (Mn)：0.45%, nickel (Ni)：
0.45% and the copper of surplus weigh these raw materials.Inevitably contain some impurity in these raw materials, the present invention claims miscellaneous
Matter iron (Fe) is less than 0.03% relative to the mass percent of total raw material, quality percentage of the impurity lead (Pb) relative to total raw material
Than again smaller than 0.03%.
1) copper is added in the middle frequency furnace of 500KG and carries out melting, be gradually heating to 1280 DEG C, then by violent addition
To melting is carried out in copper solution, smelting time is 1 hour；
2) tin, zinc, nickel are proportionally added in copper alloy water, temperature is reduced to 1160 DEG C, and opens stirring dress
Carry out mechanical agitation is set, 15min is stirred with the mixing speed of 260r/min, is cooled to 1050 DEG C after the completion.
3) Spike direct-reading spectrometer is used to carry out composition detection to the copper alloy water that melting is completed, to determine its alloy
Ingredient is within acceptability limit；
4) vibrating device and agitating device to be opened, and opens casting drawing equipment, vibration frequency is set as 16 times/second,
Mixing speed is set as 150r/min, drawing speed 15mm/min, according to scheduled shape of product cast blank proximate matter, casting
It is 1080 DEG C to make temperature；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
The preparation-obtained copper-based alloy material of the method according to the invention (is labeled as LZCu-Sn1-Zn1-Mn0.5-
Ni0.5) with the performance comparison such as following table of the TAg0.1 materials of the prior art：
Table 2
Embodiment three
It is zinc (Zn) according to mass percent：0.95%, tin (Sn)：0.95%, manganese (Mn)：0.5%, nickel (Ni)：
0.5% and the copper of surplus weigh these raw materials.Inevitably contain some impurity in these raw materials, the present invention claims miscellaneous
Matter iron (Fe) is less than 0.03% relative to the mass percent of total raw material, quality percentage of the impurity lead (Pb) relative to total raw material
Than again smaller than 0.03%.
1) copper is added in the middle frequency furnace of 500KG and carries out melting, be gradually heating to 1280 DEG C, then by violent addition
To melting is carried out in copper solution, smelting time is 1.5 hours；
2) tin, zinc, nickel are proportionally added in copper alloy water, temperature is reduced to 1170 DEG C, and opens stirring dress
Carry out mechanical agitation is set, 15min is stirred with the mixing speed of 260r/min, is cooled to 1050 DEG C after the completion.
3) Spike direct-reading spectrometer is used to carry out composition detection to the copper alloy water that melting is completed, to determine its alloy
Ingredient is within acceptability limit；
4) vibrating device and agitating device to be opened, and opens casting drawing equipment, vibration frequency is set as 17 times/second,
Mixing speed is set as 150r/min, drawing speed 15mm/min, according to scheduled shape of product cast blank proximate matter, casting
It is 1080 DEG C to make temperature；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
The preparation-obtained copper-based alloy material of the method according to the invention (is labeled as LZCu-Sn1-Zn1-Mn0.5-
Ni0.5) with the performance comparison such as following table of the TAg0.1 materials of the prior art：
Table 3
Example IV
It is zinc (Zn) according to mass percent：1.0%, tin (Sn)：1.0%, manganese (Mn)：0.55%, nickel (Ni)：
0.55% and the copper of surplus weigh these raw materials.Inevitably contain some impurity in these raw materials, the present invention claims miscellaneous
Matter iron (Fe) is less than 0.03% relative to the mass percent of total raw material, quality percentage of the impurity lead (Pb) relative to total raw material
Than again smaller than 0.03%.
1) copper is added in the middle frequency furnace of 500KG and carries out melting, be gradually heating to 1280 DEG C, then by violent addition
To melting is carried out in copper solution, smelting time is 2 hours；
2) tin, zinc, nickel are proportionally added in copper alloy water, temperature is reduced to 1190 DEG C, and opens stirring dress
Carry out mechanical agitation is set, 15min is stirred with the mixing speed of 260r/min, is cooled to 1050 DEG C after the completion.
3) Spike direct-reading spectrometer is used to carry out composition detection to the copper alloy water that melting is completed, to determine its alloy
Ingredient is within acceptability limit；
4) vibrating device and agitating device to be opened, and opens casting drawing equipment, vibration frequency is set as 19 times/second,
Mixing speed is set as 150r/min, drawing speed 15mm/min, according to scheduled shape of product cast blank proximate matter, casting
It is 1080 DEG C to make temperature；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
The preparation-obtained copper-based alloy material of the method according to the invention (is labeled as LZCu-Sn1-Zn1-Mn0.5-
Ni0.5) with the performance comparison such as following table of the TAg0.1 materials of the prior art：
Table 4
Embodiment five
It is zinc (Zn) according to mass percent：1.1%, tin (Sn)：1.1%, manganese (Mn)：0.6%, nickel (Ni)：0.6%
And the copper of surplus weighs these raw materials.Inevitably contain some impurity in these raw materials, the present invention claims impurity irons
(Fe) it is less than 0.03% relative to the mass percent of total raw material, mass percent of the impurity lead (Pb) relative to total raw material
Less than 0.03%.
1) copper is added in the middle frequency furnace of 500KG and carries out melting, be gradually heating to 1280 DEG C, then by violent addition
To melting is carried out in copper solution, smelting time is 2 hours；
2) tin, zinc, nickel are proportionally added in copper alloy water, temperature is reduced to 1200 DEG C, and opens stirring dress
Carry out mechanical agitation is set, 15min is stirred with the mixing speed of 260r/min, is cooled to 1050 DEG C after the completion.
3) Spike direct-reading spectrometer is used to carry out composition detection to the copper alloy water that melting is completed, to determine its alloy
Ingredient is within acceptability limit；
4) vibrating device and agitating device to be opened, and opens casting drawing equipment, vibration frequency is set as 20 times/second,
Mixing speed is set as 150r/min, drawing speed 15mm/min, according to scheduled shape of product cast blank proximate matter, casting
It is 1080 DEG C to make temperature；
5) the blank proximate matter that casting is completed is surface-treated, at corresponding product specification further processing
It manages, after the completion packaging and storage.
The preparation-obtained copper-based alloy material of the method according to the invention (is labeled as LZCu-Sn1-Zn1-Mn0.5-
Ni0.5) with the performance comparison such as following table of the TAg0.1 materials of the prior art：
Table 5
As seen from the above table, according to the copper-based alloy material obtained by composition proportion disclosed by the invention and method, material is chosen
The relatively low tin of material price, zinc, manganese and nickel element under the premise of ensureing alloy material electric conductivity, reduce material for replacing silver
Cost of manufacture, while improving the intensity of material, hardness；The actual effect cure process effect for improving material, meets material at 400 DEG C
It is used under environment；Promote service life of the material in Electronic locomotive conductive component.
The foregoing is merely a prefered embodiment of the invention, practical range not for the purpose of limiting the invention；If not departing from this
The spirit and scope of invention, modify or equivalently replace the present invention, and should all cover the protection in the claims in the present invention
In range.
Claims (10)
1. a kind of Cu alloy material of motor device, which is characterized in that be grouped as by the group of following weight percent：Zinc：
0.8-1.1%, tin：0.8-1.1%, manganese：0.4-0.6%, nickel：0.4-0.6%, inevitable impurity iron are less than or equal to
0.03%, inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.
2. a kind of Cu alloy material of motor device according to claim 1, which is characterized in that by following weight percent
Several groups are grouped as：Zinc：0.9%, tin：0.9%, manganese：0.45%, nickel：0.45%, inevitable impurity iron is less than or equal to
0.03%, inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.
3. a kind of Cu alloy material of motor device according to claim 1, which is characterized in that by following weight percent
Several groups are grouped as：Zinc：0.95%, tin：0.95%, manganese：0.5%, nickel：0.5%, inevitable impurity iron is less than or equal to
0.03%, inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.
4. a kind of Cu alloy material of motor device according to claim 1, which is characterized in that by following weight percent
Several groups are grouped as：Zinc：1.0%, tin：1.0%, manganese：0.55%, nickel：0.55%, inevitable impurity iron is less than or equal to
0.03%, inevitable impurity lead is less than or equal to 0.03%, and surplus is copper.
5. a kind of preparation method of the Cu alloy material of motor device according to any one of claims 1-4, special
Sign is, includes the following steps：
1) copper is added in electric furnace and carries out melting, be gradually heating to 1280 DEG C, then melt violent be added in copper solution
Refining, smelting time are 1-2 hours；
2) tin, zinc, nickel are proportionally added in copper alloy water, and open agitating device and carries out mechanical agitation, after the completion
It is cooled to 1050 DEG C；
3) composition detection is carried out to the copper alloy water that melting is completed, to determine its alloying component within acceptability limit；
4) vibrating device and agitating device are opened, and opens casting drawing equipment, according to scheduled shape of product cast blank
Proximate matter, casting temperature are 1080 DEG C；
5) the blank proximate matter that casting is completed is surface-treated, is handled according to corresponding product specification further processing, it is complete
At rear packaging and storage.
6. a kind of preparation method of the Cu alloy material of motor device according to claim 5, which is characterized in that step
1) electric furnace in is middle frequency furnace, and capacity is 500KG.
7. a kind of preparation method of the Cu alloy material of motor device according to claim 5, which is characterized in that step
2) smelting temperature in is reduced to 1150-1200 DEG C.
8. a kind of preparation method of the Cu alloy material of motor device according to claim 5, which is characterized in that step
2) mixing speed is 260r/min, mixing time 15min in.
9. a kind of preparation method of the Cu alloy material of motor device according to claim 5, which is characterized in that step
3) composition detection is carried out by Spike direct-reading spectrometer pairing Jinsui River in.
10. a kind of preparation method of the Cu alloy material of motor device according to claim 5, which is characterized in that step
Rapid 4) vibration frequency is set as 15-20 times/second, and mixing speed is set as 150r/min, drawing speed 15mm/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850343A (en) * | 2020-07-31 | 2020-10-30 | 苏州列治埃盟新材料技术转移有限公司 | Copper-based alloy material for generator rotor conductor and preparation method thereof |
| CN111876630A (en) * | 2020-07-31 | 2020-11-03 | 苏州列治埃盟新材料技术转移有限公司 | Copper alloy material for motor equipment and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354340A (en) * | 2017-09-14 | 2017-11-17 | 安徽天大铜业有限公司 | A kind of copper alloy for cable copper core |
| CN107400799A (en) * | 2017-08-07 | 2017-11-28 | 苏州列治埃盟新材料技术转移有限公司 | A kind of copper-based alloy material for Electronic locomotive hardware device and preparation method thereof |
-
2018
- 2018-05-30 CN CN201810540222.0A patent/CN108588473A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400799A (en) * | 2017-08-07 | 2017-11-28 | 苏州列治埃盟新材料技术转移有限公司 | A kind of copper-based alloy material for Electronic locomotive hardware device and preparation method thereof |
| CN107354340A (en) * | 2017-09-14 | 2017-11-17 | 安徽天大铜业有限公司 | A kind of copper alloy for cable copper core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850343A (en) * | 2020-07-31 | 2020-10-30 | 苏州列治埃盟新材料技术转移有限公司 | Copper-based alloy material for generator rotor conductor and preparation method thereof |
| CN111876630A (en) * | 2020-07-31 | 2020-11-03 | 苏州列治埃盟新材料技术转移有限公司 | Copper alloy material for motor equipment and preparation method thereof |
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