CN108118186A - A kind of transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point - Google Patents
A kind of transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point Download PDFInfo
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- CN108118186A CN108118186A CN201810118182.0A CN201810118182A CN108118186A CN 108118186 A CN108118186 A CN 108118186A CN 201810118182 A CN201810118182 A CN 201810118182A CN 108118186 A CN108118186 A CN 108118186A
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- 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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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Abstract
The present invention relates to copper alloy technical field, and a kind of durable copper alloy section bar of transformer environment-friendly type high-melting-point is disclosed, include the raw material of following parts by weight proportioning（wt%）：Pb：2.4 3.2, Sn：0.8 1.2, Al：1.0 2.0, Fe：1.2 1.6, Mn：0.8 1.6, Ni：5.5 6.5, Si：3.0 5.0, As：0.04 0.06, Zn：3.5 5.5, P：0.10 0.30, Cr：0.4 0.6, Ti：0.2 0.6, the copper of surplus and inevitable impurity.The transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point, FeZn7 particles are generated by Fe elements and Zn chemical combination, liquid alloy is made to be precipitated when solidifying and become nucleus, refining alloy grain structure, make its internal structure more firm, by adding Cr and Si elements, can be effectively improved the fusing point of copper alloy, pass through antirust coat, certain temperature can be completely cut off, copper alloy body will not be made directly to be influenced be subject to high temperature, reduced because transformer temperature is excessively high, cause its thawing, so that the problem of transformer damage.
Description
Technical field
The present invention relates to copper alloy technical fields, are specially a kind of transformer durable copper alloy section bar of environment-friendly type high-melting-point
And its manufacturing process.
Background technology
Copper alloy, using the alloy that fine copper is made of the one or more of other elements of matrix addition, fine copper is in aubergine, again
Claim red copper, fine copper density is 8.96, and fusing point is 1083 DEG C, has excellent electric conductivity, thermal conductivity, ductility and corrosion resistance, main
It is used to make the flat of generator, busbar, cable, switching device, transformer, heat exchanger, pipeline and solar heat collector
The heat conduction equipments such as board heat collector, common copper alloy are divided into brass, bronze and copper-nickel alloy three categories.
Recently as economic fast development, to alloy material with being also more and more, the utilization of copper alloy is outstanding
Its extensive, present transmission of electricity is with transformer mostly using various types of Cu alloy materials, and just current aluminium copper uses, copper
For alloy in the use of transformer, people value the high-melting-point of copper alloy mostly, high-melting-point copper alloy section bar in use,
Transformer damage caused by can effectively avoiding inside transformer temperature excessively high reduces a series of caused by transformer damage
Problem significantly reduces security risk.
The content of the invention
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of transformer with the durable copper alloy section bar of environment-friendly type high-melting-point and its
Manufacturing process possesses the advantages that high-melting-point, and it is too low to solve copper alloy section bar fusing point, the problem of be easy to causeing transformer damage.
（Two）Technical solution
To realize above-mentioned dystectic purpose, the present invention provides following technical solution：A kind of transformer is resistance to environment-friendly type high-melting-point
Long copper alloy section bar includes the raw material of following parts by weight proportioning（wt%）：Pb：2.4-3.2, Sn：0.8-1.2, Al：1.0-
2.0, Fe：1.2-1.6, Mn：0.8-1.6, Ni：5.5-6.5, Si：3.0-5.0, As：0.04-0.06, Zn：3.5-5.5, P：
0.10-0.30, Cr：0.4-0.6, Ti：0.2-0.6, the copper of surplus and inevitable impurity.
Preferably, including following raw material（wt%）：Pb：2.4, Sn：0.8, Al：1.0, Fe：1.2, Mn：0.8, Ni：5.5
Si：3.0, As：0.04, Zn：3.5, P：0.10, Cr：0.4, Ti：0.2, the copper of surplus and inevitable impurity.
Preferably, including following raw material（wt%）：Pb：2.6, Sn：0.9, Al：1.3, Fe：1.5, Mn：1.25 Ni：5.8
Si：4.5, As：0.05, Zn：4.5, P：0.15, Cr：0.45, Ti：0.4, the copper of surplus and inevitable impurity.
Preferably, including following raw material（wt%）：Pb：3.2, Sn：1.2, Al：2.0, Fe：1.6, Mn：1.6, Ni：6.5
Si：5.0, As：0.06, Zn：5.5, P：0.30, Cr：0.6, Ti：0.6, the copper of surplus and inevitable impurity.
Another technical problem to be solved by the present invention is that provide a kind of durable copper alloy type of transformer environment-friendly type high-melting-point
The manufacturing process of material, comprises the following steps：
1）First take Pb：2.4-3.2, Sn：0.8-1.2, Al：1.0-2.0, Fe：1.2-1.6, Mn：0.8-1.6, Ni：5.5-6.5
Si：3.0-5.0, As：0.04-0.06, Zn：3.5-5.5, P：0.10-0.30, Cr：0.4-0.6, Ti：0.2-0.6, the copper of surplus
And inevitably after impurity mixing melt process in high frequency melting furnace being put into, melting temperature is received at 1200-1300 DEG C during casting
Collect the mixed liquor under mixed molten condition, it is spare；
2）Take step 1）In give over to spare mixed liquor, mixed liquor is bred 15-40 minutes in 1200-1300 DEG C of constant temperature, then
Cooled down 150-200 DEG C with being not less than 10 DEG C/min, be then warming up to 1200-1300 DEG C again, constant temperature casting alloy after 10-30 minutes
Alloy blank, is carried out at 850 DEG C after hot extrusion that quenching treatment obtains copper alloy ingot bar immediately by blank, collects copper alloy casting
Block, it is spare；
3）Take step 2）In give over to spare copper alloy ingot bar, put into smelting furnace and maintain the temperature at 900-1000 DEG C, it is then right
Mold die is preheated, and makes its temperature at 150-200 DEG C, then casts copper alloy ingot bar with the mold die after preheating
Type obtains copper-alloy casting, spare；
4）Take step 3）In give over to spare copper-alloy casting, implement quenching treatment, solution treatment is preferably at 350 DEG C with upper and lower
Temperature range carries out, and quenching treatment is then carried out to ingot bar, and quenching treatment selects the water using spraying, water spray and impregnating respectively
Cooling method, so that cooling velocity in 30 DEG C/sec or more quenchings, carries out smooth polishing with sander, makes its surfacing
It is smooth, ingot bar is collected, is given over to spare；
5）Take step 4）In give over to spare ingot bar, by the way that 4% graphite and 96% machine oil are mixed, to casting under the cooperation of zinc oxide
Block is added antirust coat, then carries out smooth processing, thus obtains environment-friendly type high-melting-point copper alloy section bar.
（Three）Advantageous effect
Compared with prior art, the present invention provides a kind of transformer durable copper alloy section bars of environment-friendly type high-melting-point and its manufacture
Technique possesses following advantageous effect：
1st, the transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point, are mixed by the Zn in ingredient and Cu
It closes, is the basic material for forming the aluminium alloy extrusions, then with being formed with elements such as Mn, Fe, Al, As containing elements such as Zn and Cu
Solid solution improves the comprehensive performance of material, and wherein Mn can be solid-solution in Cu and play invigoration effect, and significantly improve the machine of material
Tool performance and to the pollutant and the corrosion resistance of chloride in air, Fe elements generate FeZn7 particles with Zn chemical combination, make liquid
It is precipitated during state alloy graining as nucleus, refining alloy grain structure makes its internal structure more firm, increases copper alloy
Fusing point, can be more suitable for transformer use, reduce because transformer conveying conductance cause internal temperature rise, make transformation
The problem of device damages.
2nd, the transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point, by adding in Pb, Pb is almost
It is not fused in copper alloy, is to be distributed in point format on crystal boundary, self-lubricating property is played when material works, improve copper alloy
The wear-resisting property of material, and the sundries of its surface contamination can be reduced, Al can reduce the evaporation of Zn in fusion process, reduce
Scaling loss of the Zn in fusion process, and the Al2O3 films with very strong oxidation resistance can be formed in workpiece surface, improve material
The corrosion resistance and surface smoothness of material then by adding Cr and Si elements, can be such that the fusing point of copper alloy obtains effectively
Raising, by setting antirust coat, certain temperature can be completely cut off, copper alloy body will not be made directly to be influenced be subject to high temperature,
So as to reduce it because transformer temperature is excessively high, cause its thawing.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to the scope of protection of the invention.
Embodiment one：
A kind of transformer durable copper alloy section bar of environment-friendly type high-melting-point, including following raw material（wt%）：Pb：2.4, Sn：0.8,
Al：1.0, Fe：1.2, Mn：0.8, Ni：5.5, Si：3.0, As：0.04, Zn：3.5, P：0.10, Cr：0.4, Ti：0.2, surplus
Copper and inevitable impurity.
A kind of transformer manufacturing process of the durable copper alloy section bar of environment-friendly type high-melting-point, comprises the following steps：
1）First take Pb：2.4, Sn：0.8, Al：1.0, Fe：1.2, Mn：0.8, Ni：5.5, Si：3.0, As：0.04, Zn：3.5, P：
0.10, Cr：0.4, Ti：0.2, put into melt process in high frequency melting furnace, casting after the copper of surplus and the mixing of inevitable impurity
Melting temperature collects the mixed liquor under mixed molten condition at 1200 DEG C when making, spare；
2）Take step 1）In give over to spare mixed liquor, mixed liquor is bred 15 minutes in 1200 DEG C of constant temperature, then to be not less than
10 DEG C/min cools down 150 DEG C, is then warming up to 1200 DEG C again, constant temperature casting alloy blank after ten minutes, by alloy blank 850
Quenching treatment obtains copper alloy ingot bar immediately after progress hot extrusion at DEG C, collects copper alloy ingot bar, spare；
3）Take step 2）In give over to spare copper alloy ingot bar, put into smelting furnace and maintain the temperature at 900 DEG C, then to casting mold mould
Tool is preheated, and makes its temperature at 150 DEG C, and copper alloy ingot bar then is carried out casting mold with the mold die after preheating, obtains copper
Alloy-steel casting, it is spare；
4）Take step 3）In give over to spare copper-alloy casting, implement quenching treatment, solution treatment is preferably at 350 DEG C with upper and lower
Temperature range carries out, and quenching treatment is then carried out to ingot bar, and quenching treatment selects the water using spraying, water spray and impregnating respectively
Cooling method, so that cooling velocity in 30 DEG C/sec or more quenchings, carries out smooth polishing with sander, makes its surfacing
It is smooth, ingot bar is collected, is given over to spare；
5）Take step 4）In give over to spare ingot bar, by the way that 4% graphite and 96% machine oil are mixed, to casting under the cooperation of zinc oxide
Block is added antirust coat, then carries out smooth processing, thus obtains environment-friendly type high-melting-point copper alloy section bar.
Embodiment two：
A kind of transformer durable copper alloy section bar of environment-friendly type high-melting-point, including following raw material（wt%）：Pb：2.6, Sn：0.9,
Al：1.3, Fe：1.5, Mn：1.25 Ni：5.8, Si：4.5, As：0.05, Zn：4.5, P：0.15, Cr：0.45, Ti：0.4, surplus
Copper and inevitable impurity.
A kind of transformer manufacturing process of the durable copper alloy section bar of environment-friendly type high-melting-point, comprises the following steps：
1）First take Pb：2.6, Sn：0.9, Al：1.3, Fe：1.5, Mn：1.25 Ni：5.8, Si：4.5, As：0.05, Zn：4.5, P：
0.15, Cr：0.45, Ti：0.4, put into melt process in high frequency melting furnace, casting after the copper of surplus and the mixing of inevitable impurity
Melting temperature collects the mixed liquor under mixed molten condition at 1250 DEG C when making, spare；
2）Take step 1）In give over to spare mixed liquor, mixed liquor is bred 30 minutes in 1250 DEG C of constant temperature, then to be not less than
10 DEG C/min cools down 175 DEG C, is then warming up to 1250 DEG C again, constant temperature casting alloy blank after twenty minutes, by alloy blank 850
Quenching treatment obtains copper alloy ingot bar immediately after progress hot extrusion at DEG C, collects copper alloy ingot bar, spare；
3）Take step 2）In give over to spare copper alloy ingot bar, put into smelting furnace and maintain the temperature at 950 DEG C, then to casting mold mould
Tool is preheated, and makes its temperature at 170 DEG C, and copper alloy ingot bar then is carried out casting mold with the mold die after preheating, obtains copper
Alloy-steel casting, it is spare；
4）Take step 3）In give over to spare copper-alloy casting, implement quenching treatment, solution treatment is preferably at 350 DEG C with upper and lower
Temperature range carries out, and quenching treatment is then carried out to ingot bar, and quenching treatment selects the water using spraying, water spray and impregnating respectively
Cooling method, so that cooling velocity in 30 DEG C/sec or more quenchings, carries out smooth polishing with sander, makes its surfacing
It is smooth, ingot bar is collected, is given over to spare；
5）Take step 4）In give over to spare ingot bar, by the way that 4% graphite and 96% machine oil are mixed, to casting under the cooperation of zinc oxide
Block is added antirust coat, then carries out smooth processing, thus obtains environment-friendly type high-melting-point copper alloy section bar.
Embodiment three：
A kind of transformer durable copper alloy section bar of environment-friendly type high-melting-point, including following raw material（wt%）：Pb：3.2, Sn：1.2
Al：2.0, Fe：1.6, Mn：1.6, Ni：6.5, Si：5.0, As：0.06, Zn：5.5, P：0.30, Cr：0.6, Ti：0.6, surplus
Copper and inevitable impurity.
A kind of transformer manufacturing process of the durable copper alloy section bar of environment-friendly type high-melting-point, comprises the following steps：
1）First take Pb：3.2, Sn：1.2, Al：2.0, Fe：1.6, Mn：1.6, Ni：6.5, Si：5.0, As：0.06, Zn：5.5, P：
0.30, Cr：0.6, Ti：0.6, put into melt process in high frequency melting furnace, casting after the copper of surplus and the mixing of inevitable impurity
Melting temperature collects the mixed liquor under mixed molten condition at 1300 DEG C when making, spare；
2）Take step 1）In give over to spare mixed liquor, mixed liquor is bred 40 minutes in 1300 DEG C of constant temperature, then to be not less than
10 DEG C/min cools down 200 DEG C, is then warming up to 1300 DEG C again, constant temperature casting alloy blank after 30 minutes, by alloy blank 850
Quenching treatment obtains copper alloy ingot bar immediately after progress hot extrusion at DEG C, collects copper alloy ingot bar, spare；
3）Take step 2）In give over to spare copper alloy ingot bar, put into smelting furnace and maintain the temperature at 1000 DEG C, then to casting mold
Mold is preheated, and makes its temperature at 200 DEG C, and copper alloy ingot bar then is carried out casting mold with the mold die after preheating, is obtained
Copper-alloy casting, it is spare；
4）Take step 3）In give over to spare copper-alloy casting, implement quenching treatment, solution treatment is preferably at 350 DEG C with upper and lower
Temperature range carries out, and quenching treatment is then carried out to ingot bar, and quenching treatment selects the water using spraying, water spray and impregnating respectively
Cooling method, so that cooling velocity in 30 DEG C/sec or more quenchings, carries out smooth polishing with sander, makes its surfacing
It is smooth, ingot bar is collected, is given over to spare；
5）Take step 4）In give over to spare ingot bar, by the way that 4% graphite and 96% machine oil are mixed, to casting under the cooperation of zinc oxide
Block is added antirust coat, then carries out smooth processing, thus obtains environment-friendly type high-melting-point copper alloy section bar.
The beneficial effects of the invention are as follows：The transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point,
Mixed by the Zn in ingredient and Cu, be the basic material for forming the aluminium alloy extrusions, then with the elements such as Mn, Fe, Al, As
The solid solution containing elements such as Zn and Cu is formed, improves the comprehensive performance of material, wherein Mn, which can be solid-solution in Cu, plays reinforcing work
With, and significantly improve the mechanical performance of material and to the pollutant and the corrosion resistance of chloride in air, Fe elements and Zn
Chemical combination generates FeZn7 particles, liquid alloy is made to be precipitated when solidifying as nucleus, refining alloy grain structure makes its internal junction
Structure is more firm, increases the fusing point of copper alloy, can be more suitable for transformer use, reduces because transformer conveys electricity
The problem of internal temperature is caused to raise, makes transformer damage, the transformer with the durable copper alloy section bar of environment-friendly type high-melting-point and its
Manufacturing process, by adding in Pb, wherein Pb is hardly fused in copper alloy, is to be distributed in point format on crystal boundary, is worked as material
Self-lubricating property is played during work, improves the wear-resisting property of Cu alloy material, and the sundries of its surface contamination can be reduced, Al exists
The evaporation of Zn can be reduced in fusion process, scaling loss of the Zn in fusion process is reduced, and can be formed in workpiece surface with very
The Al2O3 films of strong oxidation resistance improve the corrosion resistance and surface smoothness of material, then by adding Cr and Si
Element can be effectively improved the fusing point of copper alloy, by setting antirust coat, can completely cut off certain temperature, will not
Copper alloy body is made directly to be influenced be subject to high temperature, so as to reduce it because transformer temperature is excessively high, causes its thawing.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of transformer durable copper alloy section bar of environment-friendly type high-melting-point, which is characterized in that matched including following parts by weight
Raw material（wt%）：Pb：2.4-3.2, Sn：0.8-1.2, Al：1.0-2.0, Fe：1.2-1.6, Mn：0.8-1.6, Ni：5.5-
6.5, Si：3.0-5.0, As：0.04-0.06, Zn：3.5-5.5, P：0.10-0.30, Cr：0.4-0.6, Ti：0.2-0.6, surplus
Copper and inevitable impurity.
A kind of 2. transformer according to claim 1 durable copper alloy section bar of environment-friendly type high-melting-point, which is characterized in that bag
Include following raw material（wt%）：Pb：2.4, Sn：0.8, Al：1.0, Fe：1.2, Mn：0.8, Ni：5.5, Si：3.0, As：0.04, Zn：
3.5, P：0.10, Cr：0.4, Ti：0.2, the copper of surplus and inevitable impurity.
A kind of 3. transformer according to claim 1 durable copper alloy section bar of environment-friendly type high-melting-point, which is characterized in that bag
Include following raw material（wt%）：Pb：2.6, Sn：0.9, Al：1.3, Fe：1.5, Mn：1.25 Ni：5.8, Si：4.5, As：0.05, Zn：
4.5, P：0.15, Cr：0.45, Ti：0.4, the copper of surplus and inevitable impurity.
A kind of 4. transformer according to claim 1 durable copper alloy section bar of environment-friendly type high-melting-point, which is characterized in that bag
Include following raw material（wt%）：Pb：3.2, Sn：1.2, Al：2.0, Fe：1.6, Mn：1.6, Ni：6.5, Si：5.0, As：0.06, Zn：
5.5, P：0.30, Cr：0.6, Ti：0.6, the copper of surplus and inevitable impurity.
5. a kind of transformer manufacturing process of the durable copper alloy section bar of environment-friendly type high-melting-point, which is characterized in that including following step
Suddenly：
1）First take Pb：2.4-3.2, Sn：0.8-1.2, Al：1.0-2.0, Fe：1.2-1.6, Mn：0.8-1.6, Ni：5.5-6.5
Si：3.0-5.0, As：0.04-0.06, Zn：3.5-5.5, P：0.10-0.30, Cr：0.4-0.6, Ti：0.2-0.6, the copper of surplus
And inevitably after impurity mixing melt process in high frequency melting furnace being put into, melting temperature is received at 1200-1300 DEG C during casting
Collect the mixed liquor under mixed molten condition, it is spare；
2）Take step 1）In give over to spare mixed liquor, mixed liquor is bred 15-40 minutes in 1200-1300 DEG C of constant temperature, then
Cooled down 150-200 DEG C with being not less than 10 DEG C/min, be then warming up to 1200-1300 DEG C again, constant temperature casting alloy after 10-30 minutes
Alloy blank, is carried out at 850 DEG C after hot extrusion that quenching treatment obtains copper alloy ingot bar immediately by blank, collects copper alloy casting
Block, it is spare；
3）Take step 2）In give over to spare copper alloy ingot bar, put into smelting furnace and maintain the temperature at 900-1000 DEG C, it is then right
Mold die is preheated, and makes its temperature at 150-200 DEG C, then casts copper alloy ingot bar with the mold die after preheating
Type obtains copper-alloy casting, spare；
4）Take step 3）In give over to spare copper-alloy casting, implement quenching treatment, solution treatment is preferably at 350 DEG C with upper and lower
Temperature range carries out, and quenching treatment is then carried out to ingot bar, and quenching treatment selects the water using spraying, water spray and impregnating respectively
Cooling method, so that cooling velocity in 30 DEG C/sec or more quenchings, carries out smooth polishing with sander, makes its surfacing
It is smooth, ingot bar is collected, is given over to spare；
5）Take step 4）In give over to spare ingot bar, by the way that 4% graphite and 96% machine oil are mixed, to casting under the cooperation of zinc oxide
Block is added antirust coat, then carries out smooth processing, thus obtains environment-friendly type high-melting-point copper alloy section bar.
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|---|---|---|---|
| CN201810118182.0A CN108118186A (en) | 2018-02-06 | 2018-02-06 | A kind of transformer durable copper alloy type Materials And Manufacturing Processes of environment-friendly type high-melting-point |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954187A (en) * | 1987-10-22 | 1990-09-04 | Diehl Gmbh & Co. | Precipitates copper-zinc alloy with nickel silicide |
| CN1301026A (en) * | 1999-12-17 | 2001-06-27 | 日矿金属株式会社 | Copper alloy with excellent surface characteristics for electronic materials and manufacture thereof |
| CN101331241A (en) * | 2005-12-13 | 2008-12-24 | 迪尔金属合作两合公司 | Copper-zinc alloy and synchronizing ring produced therefrom |
| CN104342581A (en) * | 2013-07-31 | 2015-02-11 | Jx日矿日石金属株式会社 | Cu-co-si-based copper alloy strip and method of manufacturing same |
| CN104388750A (en) * | 2014-10-29 | 2015-03-04 | 陈唯锋 | Copper alloy for valve and preparation method thereof |
-
2018
- 2018-02-06 CN CN201810118182.0A patent/CN108118186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954187A (en) * | 1987-10-22 | 1990-09-04 | Diehl Gmbh & Co. | Precipitates copper-zinc alloy with nickel silicide |
| CN1301026A (en) * | 1999-12-17 | 2001-06-27 | 日矿金属株式会社 | Copper alloy with excellent surface characteristics for electronic materials and manufacture thereof |
| CN101331241A (en) * | 2005-12-13 | 2008-12-24 | 迪尔金属合作两合公司 | Copper-zinc alloy and synchronizing ring produced therefrom |
| CN104342581A (en) * | 2013-07-31 | 2015-02-11 | Jx日矿日石金属株式会社 | Cu-co-si-based copper alloy strip and method of manufacturing same |
| CN104388750A (en) * | 2014-10-29 | 2015-03-04 | 陈唯锋 | Copper alloy for valve and preparation method thereof |
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