CN111876630A - Copper alloy material for motor equipment and preparation method thereof - Google Patents
Copper alloy material for motor equipment and preparation method thereof Download PDFInfo
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- CN111876630A CN111876630A CN202010758332.1A CN202010758332A CN111876630A CN 111876630 A CN111876630 A CN 111876630A CN 202010758332 A CN202010758332 A CN 202010758332A CN 111876630 A CN111876630 A CN 111876630A
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- copper
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- inevitable impurity
- tin
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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
- C22C9/02—Alloys based on copper with tin as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
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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
Abstract
The invention discloses a copper alloy material for motor equipment and a preparation method thereof, wherein the material comprises the following components in percentage by weight: zinc: 1-2%, tin: 1.5-3%, manganese: 0.4-0.6%, nickel: 0.4 to 0.6 percent of the total weight of the alloy, less than or equal to 0.03 percent of inevitable impurity iron, less than or equal to 0.03 percent of inevitable impurity lead, and the balance of copper. The material selected by the invention is low in price, and the tin, zinc, manganese and nickel elements are used for replacing silver, so that the manufacturing cost of the material is reduced, and the strength and hardness of the material are improved while the electrical conductivity of the alloy material is ensured; the effective hardening treatment effect of the material is improved, the material can be used at the temperature of 400 ℃, and the service life of the material in the electronic conductive parts of the locomotive is prolonged.
Description
Technical Field
The invention relates to the field of alloy materials, in particular to a copper alloy material for motor equipment and a preparation method thereof.
Background
The TAg0.1 silver-copper alloy is an alloy material which is used for improving the softening temperature (recrystallization temperature) and the creep strength of a material without reducing the electric conduction, the heat conduction and the shaping of the material by adding a small amount of silver into copper. The material has good wear resistance, conductivity and corrosion resistance, and the service life of the material is 2-4 times longer than that of common hard copper when the material is made into an electric vehicle wire; the alloy has the characteristics of good electric conduction, heat conduction, corrosion resistance, processability and the like, and can be welded and brazed; but the effective hardening effect of the material is not obvious, hydrogen disease is easily caused, and the material is not suitable for processing (annealing, welding and the like) and using in a high-temperature (such as 370 ℃) reducing atmosphere; therefore, cold hardening is generally employed to improve strength. The material is mainly used for manufacturing heat-resistant and conductive devices, such as motor commutator sheets, generator rotor conductors, spot welding electrodes, communication lines, lead wires, electronic tube materials and the like. With the rapid development of high-speed railways, the application of the materials is improved, but the corresponding use is limited because the material cost is higher, the service life needs to be further improved, the use environment (higher than 370 ℃) needs to be further diversified, and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a copper alloy material for motor equipment and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a copper alloy material for motor equipment, which consists of the following components in percentage by weight: zinc: 1-2%, tin: 1.5-3%, manganese: 0.4-0.6%, nickel: 0.4 to 0.6 percent of the total weight of the alloy, less than or equal to 0.03 percent of inevitable impurity iron, less than or equal to 0.03 percent of inevitable impurity lead, and the balance of copper.
Further, the paint comprises the following components in percentage by weight: zinc: 1%, tin: 1.5%, manganese: 0.4%, nickel: 0.4 percent of iron as an inevitable impurity, less than or equal to 0.03 percent of lead as an inevitable impurity, and the balance of copper.
Further, the paint comprises the following components in percentage by weight: zinc: 1.5%, tin: 2%, manganese: 0.5%, nickel: 0.5 percent of iron which is an inevitable impurity and is less than or equal to 0.03 percent, lead which is an inevitable impurity and is less than or equal to 0.03 percent, and the balance of copper.
Further, the paint comprises the following components in percentage by weight: zinc: 2%, tin: 3%, manganese: 0.6%, nickel: 0.6 percent of iron which is an inevitable impurity and is less than or equal to 0.03 percent, lead which is an inevitable impurity and is less than or equal to 0.03 percent, and the balance of copper.
The invention also discloses a method for preparing the copper alloy material for the motor equipment, which comprises the following steps:
step one, adding electrolytic copper into a 500kg medium frequency electric furnace according to a proportion for smelting, and then adding manganese into a copper solution for smelting;
adding tin, zinc and nickel into the melted alloy solution according to the proportion, and starting a stirring device for mechanical stirring;
step three, detecting the components of the melted copper alloy water by using a Spipak direct-reading spectrometer to determine that the chemical components of the melted copper alloy water are within the range of national standard requirements;
step four, starting the vibration device and the stirring device to vibrate and stir; starting casting and drawing equipment to perform casting and drawing; casting a blank section according to a preset product shape;
and step five, carrying out surface treatment on the cast blank section, further processing according to the specification and the size of a corresponding product, and packaging and warehousing after finishing.
Further, in the step one, after the electrolytic copper is added, the smelting temperature is gradually increased to 1280 ℃, and the smelting time of adding the manganese into the copper solution is 1-2 hours.
Further, in the second step, after adding tin, zinc and nickel, the temperature is reduced to 1150-1200 ℃.
Further, in the second step, the stirring speed is 260r/min, and the stirring time is 15 min; after stirring, the temperature is reduced to 1050 ℃.
Further, in the fourth step, the vibration frequency is 15 to 20 times/second, and the stirring speed is 150 r/min.
Further, in the fourth step, the drawing speed was 15mm/min and the casting temperature was 1080 ℃.
Compared with the prior art, the invention has the beneficial technical effects that: the material selected by the invention is low in price, and the tin, zinc, manganese and nickel elements are used for replacing silver, so that the manufacturing cost of the material is reduced, and the strength and hardness of the material are improved while the electrical conductivity of the alloy material is ensured; the effective hardening treatment effect of the material is improved, the material can be used at the temperature of 400 ℃, and the service life of the material in the electronic conductive parts of the locomotive is prolonged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to specific embodiments.
The copper alloy material for the motor equipment provided by the invention comprises the following components in percentage by weight: zinc: 1-2%, tin: 1.5-3%, manganese: 0.4-0.6%, nickel: 0.4 to 0.6 percent of the total weight of the alloy, less than or equal to 0.03 percent of inevitable impurity iron, less than or equal to 0.03 percent of inevitable impurity lead, and the balance of copper.
Example 1
Zinc (Zn) according to weight percentage: 1%, tin (Sn): 1.5%, manganese (Mn): 0.4%, nickel (Ni): 0.4 percent and the balance of copper. The raw material inevitably contains some impurities, and the invention requires that the weight percentage of the impurity iron (Fe) relative to the total raw material is less than 0.03 percent, and the weight percentage of the impurity lead (Pb) relative to the total raw material is also less than 0.03 percent. The method for preparing the copper alloy material for the motor equipment comprises the following steps:
step one, adding electrolytic copper into a 500kg medium frequency electric furnace according to a proportion for smelting, and gradually heating to 1280 ℃; then adding manganese into the copper solution for smelting for 1-2 hours;
step two, adding tin, zinc and nickel into the melted alloy solution according to the proportion, cooling to 1150-1200 ℃, starting a stirring device for mechanical stirring at the stirring speed of 260r/min for 15min, and cooling to 1050 ℃ after stirring;
step three, detecting the components of the melted copper alloy water by using a Spipak direct-reading spectrometer to determine that the chemical components of the melted copper alloy water are within the range of national standard requirements;
step four, starting a vibration device and a stirring device, wherein the vibration frequency is 15-20 times/second, and the stirring speed is 150 r/min; starting casting and drawing equipment, wherein the drawing speed is 15 mm/min; casting a blank section according to a preset product shape, wherein the casting temperature is 1080 ℃;
and step five, carrying out surface treatment on the cast blank section, further processing according to the specification and the size of a corresponding product, and packaging and warehousing after finishing.
The property comparison of the copper alloy material prepared according to the method of example 1 with that of TAg0.1 of the prior art is shown in Table 1, wherein the material is named LZCU-Sn1.5-Zn 1-Mn0.4-Ni0.4.
Table 1 comparison of the properties of the copper alloy material prepared in example 1 with those of the prior art tag0.1 material
As can be seen from table 1, the copper alloy material prepared according to the component proportion and the method disclosed by the invention has the advantages that the selected material is low in price, and tin, zinc, manganese and nickel elements are used for replacing silver, so that the manufacturing cost of the material is reduced on the premise of ensuring the conductivity of the alloy material, and the strength and the hardness of the material are improved; the effective hardening treatment effect of the material is improved, and the material can be used at the temperature of 400 ℃; the service life of the material in the electronic conductive parts of the locomotive is prolonged.
Example 2
Zinc (Zn) according to weight percentage: 1.5%, tin (Sn): 2%, manganese (Mn): 0.5%, nickel (Ni): 0.5 percent and the balance of copper. The raw material inevitably contains some impurities, and the invention requires that the weight percentage of the impurity iron (Fe) relative to the total raw material is less than 0.03 percent, and the weight percentage of the impurity lead (Pb) relative to the total raw material is also less than 0.03 percent. The method for preparing the copper alloy material for the motor equipment comprises the following steps:
step one, adding electrolytic copper into a 500kg medium frequency electric furnace according to a proportion for smelting, and gradually heating to 1280 ℃; then adding manganese into the copper solution for smelting for 1-2 hours;
step two, adding tin, zinc and nickel into the melted alloy solution according to the proportion, cooling to 1150-1200 ℃, starting a stirring device for mechanical stirring at the stirring speed of 260r/min for 15min, and cooling to 1050 ℃ after stirring;
step three, detecting the components of the melted copper alloy water by using a Spipak direct-reading spectrometer to determine that the chemical components of the melted copper alloy water are within the range of national standard requirements;
step four, starting a vibration device and a stirring device, wherein the vibration frequency is 15-20 times/second, and the stirring speed is 150 r/min; starting casting and drawing equipment, wherein the drawing speed is 15 mm/min; casting a blank section according to a preset product shape, wherein the casting temperature is 1080 ℃;
and step five, carrying out surface treatment on the cast blank section, further processing according to the specification and the size of a corresponding product, and packaging and warehousing after finishing.
The property comparison of the copper alloy material prepared by the method of example 2 with that of TAg0.1 of the prior art is shown in Table 2, wherein the material is named LZCU-Sn 2-Zn1.5-Mn0.5-Ni0.5.
Table 2 comparison of the properties of the copper alloy material prepared in example 2 with those of the prior art tag0.1 material
As can be seen from table 2, the copper alloy material prepared according to the component ratios and the method disclosed by the invention has the advantages that the selected material is low in price, and tin, zinc, manganese and nickel elements are used for replacing silver, so that the manufacturing cost of the material is reduced on the premise of ensuring the conductivity of the alloy material, and the strength and hardness of the material are improved; the effective hardening treatment effect of the material is improved, and the material can be used at the temperature of 400 ℃; the service life of the material in the electronic conductive parts of the locomotive is prolonged.
Example 3
Zinc (Zn) according to weight percentage: 2%, tin (Sn): 3%, manganese (Mn): 0.6%, nickel (Ni): 0.6 percent and the balance of copper. The raw material inevitably contains some impurities, and the invention requires that the weight percentage of the impurity iron (Fe) relative to the total raw material is less than 0.03 percent, and the weight percentage of the impurity lead (Pb) relative to the total raw material is also less than 0.03 percent. The method for preparing the copper alloy material for the motor equipment comprises the following steps:
step one, adding electrolytic copper into a 500kg medium frequency electric furnace according to a proportion for smelting, and gradually heating to 1280 ℃; then adding manganese into the copper solution for smelting for 1-2 hours;
step two, adding tin, zinc and nickel into the melted alloy solution according to the proportion, cooling to 1150-1200 ℃, starting a stirring device for mechanical stirring at the stirring speed of 260r/min for 15min, and cooling to 1050 ℃ after stirring;
step three, detecting the components of the melted copper alloy water by using a Spipak direct-reading spectrometer to determine that the chemical components of the melted copper alloy water are within the range of national standard requirements;
step four, starting a vibration device and a stirring device, wherein the vibration frequency is 15-20 times/second, and the stirring speed is 150 r/min; starting casting and drawing equipment, wherein the drawing speed is 15 mm/min; casting a blank section according to a preset product shape, wherein the casting temperature is 1080 ℃;
and step five, carrying out surface treatment on the cast blank section, further processing according to the specification and the size of a corresponding product, and packaging and warehousing after finishing.
The property comparison of the copper alloy material prepared according to the method of example 3 with the material property of TAg0.1 of the prior art is shown in Table 3, wherein the material is named LZCU-Sn3-Zn 2-Mn0.6-Ni0.6.
Table 3 comparison of the properties of the copper alloy material prepared in example 3 with those of the prior art tag0.1 material
As can be seen from table 3, the copper alloy material prepared according to the component ratios and the method disclosed by the invention has the advantages that the selected material is low in price, and tin, zinc, manganese and nickel elements are used for replacing silver, so that the manufacturing cost of the material is reduced and the strength and hardness of the material are improved on the premise of ensuring the conductivity of the alloy material; the effective hardening treatment effect of the material is improved, and the material can be used at the temperature of 400 ℃; the service life of the material in the electronic conductive parts of the locomotive is prolonged.
The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (10)
1. The copper alloy material for the motor equipment is characterized by comprising the following components in percentage by weight: zinc: 1-2%, tin: 1.5-3%, manganese: 0.4-0.6%, nickel: 0.4 to 0.6 percent of the total weight of the alloy, less than or equal to 0.03 percent of inevitable impurity iron, less than or equal to 0.03 percent of inevitable impurity lead, and the balance of copper.
2. The copper alloy material for electric machine equipment according to claim 1, characterized by consisting of the following components in percentage by weight: zinc: 1%, tin: 1.5%, manganese: 0.4%, nickel: 0.4 percent of iron as an inevitable impurity, less than or equal to 0.03 percent of lead as an inevitable impurity, and the balance of copper.
3. The copper alloy material for electric machine equipment according to claim 1, characterized by consisting of the following components in percentage by weight: zinc: 1.5%, tin: 2%, manganese: 0.5%, nickel: 0.5 percent of iron which is an inevitable impurity and is less than or equal to 0.03 percent, lead which is an inevitable impurity and is less than or equal to 0.03 percent, and the balance of copper.
4. The copper alloy material for electric machine equipment according to claim 1, characterized by consisting of the following components in percentage by weight: zinc: 2%, tin: 3%, manganese: 0.6%, nickel: 0.6 percent of iron which is an inevitable impurity and is less than or equal to 0.03 percent, lead which is an inevitable impurity and is less than or equal to 0.03 percent, and the balance of copper.
5. A method of producing a copper alloy material for an electric machine according to any one of claims 1 to 4, characterized by comprising the steps of:
step one, adding electrolytic copper into a 500kg medium frequency electric furnace according to a proportion for smelting, and then adding manganese into a copper solution for smelting;
adding tin, zinc and nickel into the melted alloy solution according to the proportion, and starting a stirring device for mechanical stirring;
step three, detecting the components of the melted copper alloy water by using a Spipak direct-reading spectrometer to determine that the chemical components of the melted copper alloy water are within the range of national standard requirements;
step four, starting the vibration device and the stirring device to vibrate and stir; starting casting and drawing equipment to perform casting and drawing; casting a blank section according to a preset product shape;
and step five, carrying out surface treatment on the cast blank section, further processing according to the specification and the size of a corresponding product, and packaging and warehousing after finishing.
6. The method as claimed in claim 5, wherein in step one, after the electrolytic copper is added, the smelting temperature is gradually raised to 1280 ℃ and the smelting time for adding manganese to the copper solution is 1-2 hours.
7. The method as claimed in claim 5, wherein, in step two, the temperature is reduced to 1150 ℃ -1200 ℃ after the tin, zinc and nickel are added.
8. The method according to claim 7, wherein in the second step, the stirring speed is 260r/min, and the stirring time is 15 min; after stirring, the temperature is reduced to 1050 ℃.
9. The method according to claim 5, wherein in step four, the vibration frequency is 15 to 20 times/sec, and the stirring speed is 150 r/min.
10. The method according to claim 9, wherein in step four, the drawing speed is 15mm/min and the casting temperature is 1080 ℃.
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| CN202010758332.1A CN111876630A (en) | 2020-07-31 | 2020-07-31 | Copper alloy material for motor equipment and preparation method thereof |
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| CN202010758332.1A CN111876630A (en) | 2020-07-31 | 2020-07-31 | Copper alloy material for motor equipment and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032028A (en) * | 1999-07-21 | 2001-02-06 | Kobe Steel Ltd | Copper alloy for electronic parts, and its manufacture |
| JP3772975B2 (en) * | 2002-04-30 | 2006-05-10 | 株式会社神戸製鋼所 | Copper alloy for wiring connection |
| 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 |
| CN108588473A (en) * | 2018-05-30 | 2018-09-28 | 苏州列治埃盟新材料技术转移有限公司 | A kind of Cu alloy material of motor device and preparation method thereof |
| CN110885938A (en) * | 2019-12-04 | 2020-03-17 | 中色奥博特铜铝业有限公司 | Cu-Ni-Sn alloy strip foil for 5G communication and preparation method thereof |
-
2020
- 2020-07-31 CN CN202010758332.1A patent/CN111876630A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032028A (en) * | 1999-07-21 | 2001-02-06 | Kobe Steel Ltd | Copper alloy for electronic parts, and its manufacture |
| JP3772975B2 (en) * | 2002-04-30 | 2006-05-10 | 株式会社神戸製鋼所 | Copper alloy for wiring connection |
| 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 |
| CN108588473A (en) * | 2018-05-30 | 2018-09-28 | 苏州列治埃盟新材料技术转移有限公司 | A kind of Cu alloy material of motor device and preparation method thereof |
| CN110885938A (en) * | 2019-12-04 | 2020-03-17 | 中色奥博特铜铝业有限公司 | Cu-Ni-Sn alloy strip foil for 5G communication and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 范培耕: "《金属学及热处理》", 31 January 2017, 北京：冶金工业出版社 * |
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