WO2019172564A1 - 고차폐성을 갖는 동철 합금 케이블 - Google Patents
고차폐성을 갖는 동철 합금 케이블 Download PDFInfo
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- WO2019172564A1 WO2019172564A1 PCT/KR2019/002319 KR2019002319W WO2019172564A1 WO 2019172564 A1 WO2019172564 A1 WO 2019172564A1 KR 2019002319 W KR2019002319 W KR 2019002319W WO 2019172564 A1 WO2019172564 A1 WO 2019172564A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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- H—ELECTRICITY
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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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
Definitions
- the present invention relates to a copper iron alloy cable having a high shielding, and more particularly, by using a cable provided with a plurality of layers containing a copper alloy component and a specific component in a certain component ratio, the electromagnetic shielding performance can be significantly improved A copper iron alloy cable having high shielding properties.
- a cable is usually installed in a protective sheath or sheath with one or more bundles of wires or optical fibers insulated, and the wires have a high conductivity, low electrical resistance, and require traction strength. Twisted lines or dozens of strings are twisted together, or steel cores are twisted in the center and aluminum cores are used around the core.
- the corridor system which is made up of several strands, is the mainstream.
- the cable is used as a power cable and a control cable in the information and communication field according to the use, and in the case of the control cable, noise is prevented from occurring in an electric signal inside the cable due to electromagnetic waves and static electricity generated from the outside. In order to shield the electromagnetic waves.
- Electromagnetic shielding technology is applied to communication cable to which electromagnetic wave shielding is applied by covering copper tape or aluminum tape, but shielding is done with general metal materials such as copper, aluminum and iron.
- general metal materials such as copper, aluminum and iron.
- single core cable generates heat due to electromagnetic induction, which shortens cable life and ages rapidly, and also requires additional plating process due to weak corrosion resistance.
- Winding the copper tape and re-wrapping the soft iron tape or winding the soft iron tape and winding it with copper wire However, due to heat generation or duplication, the cable production cost increases, and the plating cost to prevent the corrosion of iron increases. Problems and shielding effect is also below 30dB and above 40dB There was a problem in that it was not possible to produce a shielding material using a control cable requiring a shielding level or an ultra-rolled foil of about 10 microns.
- the alloy alloy thin body made of 1-4% by weight, 2-7% by weight of antimony, etc.
- the alloy is excellent in corrosion resistance, there is a disadvantage that the electromagnetic shielding effect is lowered due to the lack of conductivity, and the Korean Patent Publication No. 10-567739 No.
- the production process is complicated due to the complicated lamination, and there is a problem of gap between layers, and there is almost no electromagnetic shielding effect in the low frequency range of 0.1 MHz to 100 MHz in materials such as copper, aluminum and iron. There is a problem.
- miniaturized display devices have been required to develop products having shielding properties capable of maintaining high conductivity while solving problems of the magnetic field shielding agent as well as the electric field.
- Patent Document 0001 Published Patent Publication No. 10-2010-0012590 (2010.02.08)
- Patent Document 0002 Registered Patent Publication No. 10-0374422 (2003.03.04)
- Patent Document 0003 Publication No. 10-2005-0109545 (2004.09.23)
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- the inventors of the present application greatly increase the electromagnetic shielding performance by using a cable provided with a plurality of layers including copper alloy components and specific components in a certain component ratio, as will be described later. It is to provide a copper alloy cable having a high shielding properties that can be improved.
- a core comprising at least one of iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu);
- a braided wire including at least one of iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu) and provided outside the insulating layer; It may be configured to include.
- the copper alloy cable is configured to prevent segregation of iron even though iron and copper are contained above a certain content, thereby maximizing electromagnetic shielding effect, and thus controlling malfunctions due to noise in circuits such as audio devices, precision machines, robots, and automobiles. It may be easy.
- At least one of the core and the braided wire may comprise 90% to 99% by weight of copper, and 1% to 10% by weight of iron.
- the braided wire may comprise one or two or more strands of fibers having a fineness of 400 to 2,000 denier.
- the insulating layer is polyvinyl chloride (Polyvinyl chloride), crosslinked polyvinyl chloride (Polyvinyl chloride, crosslinked), polyethylene (Polyethylene), polyamide (Polyamide), polytetrafluoroethylene ( Polytetrafluoroethylene, Fluorinated ethylene propylene, Ethlen tetrafluoroethylene, Polypropylene, Polyvinyliden fluorid, Perfluoroalkoxy copolymer Thermoplastic polyurethanes, Thermoplastic polyether polyurethanes, Thermoplastic polyether ester elastomers, Thermoplastic polyether elastomers, Thermoplastic polystyrene block noses Thermoplastic polystyrene block c opolymer), a thermoplastic polyamide elastomer, and silicone rubber may include one or more selected from the group consisting of.
- the copper alloy cable may further include a second insulating layer including at least one selected from the group consisting of silver (Ag), copper (Cu) and nickel (Ni).
- the second insulating layer may be in the form of a tape or aluminum foil.
- the copper alloy cable In one preferred embodiment of the present invention, the copper alloy cable,
- a coating layer comprising at least one selected from the group consisting of ethylene ethylene ethylene (ETFE), fluoroethylenepropylene (FEP), perfluoro alkoxide resin (PFA), tetrafluoroethylenehexafluoropropylene-Vinylidenfluoride (THV), polyvinylidene fluoride (PVDF) and polyurethane-based resin It may include.
- ETFE ethylene ethylene ethylene
- FEP fluoroethylenepropylene
- PFA perfluoro alkoxide resin
- TSV tetrafluoroethylenehexafluoropropylene-Vinylidenfluoride
- PVDF polyvinylidene fluoride
- polyurethane-based resin It may include.
- the coating layer may have a thickness range of 1mm to 5mm.
- the core may be formed by stranding at least one copper wire silver plated (Ag) on the surface.
- the core or braided wire is iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg) and copper (Cu) It may be produced by a horizontal continuous casting method using a casting comprising at least one of.
- the present invention provides a method for manufacturing a copper alloy cable comprising the above-described copper alloy base material
- a copper iron alloy including at least one of iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu) is added to the molten metal. Filling at approximately 50-90% and melting for 10-50 hours; Measuring copper copper base metal and copper; Metering the deoxidant dose; Preheating the copper base material to a temperature range of 100 to 300 degrees before charging; Charging the copper, copper base material and deoxidizer; And withdrawing at a temperature range of 1100 to 1300 degrees while maintaining a temperature range of 1000 to 1500 degrees upon initial tapping.
- the copper shield alloy cable having high shielding properties according to the present invention has the effect of greatly improving the electromagnetic shielding performance by using a cable having a plurality of layers including the copper alloy component and a specific component in a certain component ratio. There is.
- the copper shielding alloy having high shielding properties according to the present invention is manufactured by casting copper alloy for casting cores and braided wires in a horizontal continuous casting method, shielding against electromagnetic fields can be improved without deteriorating physical properties of the final product. have.
- FIG. 1 is a perspective view of a copper alloy audio cable according to an embodiment of the present invention.
- FIG. 2 is a perspective view of a copper alloy audio cable according to another embodiment of the present invention.
- Figure 3 is a flow chart showing a horizontal continuous casting process using a copper alloy in accordance with an embodiment of the present invention.
- the electromagnetic shielding performance is greatly improved, and the above-mentioned problems have been sought.
- FIG 3 is a flow chart showing a horizontal continuous casting process using a copper alloy according to an embodiment of the present invention.
- iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu) are filled with 70% of molten metal. Melt safely over approximately 20 hours to remove hazards and the like (a).
- the steel base metal and the copper copper according to the alloy schedule are measured and prepared (b), and the amount of aluminum (Al) is precisely measured and prepared by deoxidizing material.
- the copper base metal is vulnerable to moisture in the form of cast nodules, so if it is immediately charged into the molten water vapor explosion may occur, preheated to 150 to 200 °C to completely remove the moisture (c).
- the charging sequence is charged in order of copper, iron base and deoxidizer.
- the tapping preparation is prepared, but the tapping temperature is warmed with gasstoche and the tapping temperature is maintained at approximately 1280 to 1320 ° C. (d). Withdrawal of the original casting is performed by withdrawing at approximately 1200 ° C. (E)
- Figure 1 is a perspective view schematically showing a copper alloy alloy audio cable according to an embodiment of the present invention.
- a core 10 including at least one of iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu) At least one of the insulating layer 20 and the iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg), and copper (Cu) that insulate the core 10. It comprises a braided wire 40 which includes one and is provided outside the insulating layer 20.
- the core 10, which is a center conductor, may use a conductive metal material as a center line of the audio cable.
- the coder 10 includes but is not limited to a plurality of metal wires are twisted.
- the core 10 includes two or more metal wires, the metal wires are twisted to a predetermined pitch to form the core 10. If the pitch is less than about 0.5 mm, the outer diameter of the core 10 is unnecessarily large and the bending characteristics deteriorate. If the pitch is greater than about 3 mm, the inner conductor made of metal wire is not densely connected, and a gap is formed. There is a problem that causes a defect.
- the pitch may be about 0.5 mm to about 3.0 mm, but is not limited thereto.
- the diameter of the metal wire may consider a frequency characteristic (RadioFrequency; RF).
- the insulating layer 20 is a dielectric layer provided between the core 10 and the braided wire 40 which is a metal shielding layer to prevent energy loss of electromagnetic wave energy, and may include a dielectric insulating the center conductor and the shielding layer. have.
- the insulating layer is polyvinyl chloride, crosslinked polyvinyl chloride, crosslinked, polyethylene, polyamide, polytetrafluoroethylene, fluorinated ethylene propylene ethylene propylene, ethylene tetrafluoroethylene, polypropylene, polyvinyliden fluorid, perfluoroalkoxy copolymer, thermoplastic polyurethane, thermoplastic Thermoplastic polyether polyurethanes, Thermoplastic polyether ester elastomers, Thermoplastic polyether elastomers, Thermoplastic polystyrene block copolymers, Thermoplastic polystyrene block copolymers Amide Illes Thermoplastic polyamide elast
- the polyethylene (PE) -based resin for example, high density polyethylene (High Density Poly Ethylene; HDPE), medium density polyethylene (Medium Density Poly Ethylene; MDPE), low density polyethylene (Low Density Poly Ethylene; LDPE) and linear low density polyethylene (Linear Low Density Poly Ethylene; LLDPE) may include, but is not limited to, one or more of the above polymer blends.
- the insulating layer 20 may be about 40 ⁇ m to about 100 ⁇ m thick, but is not limited thereto.
- the coating process for forming the insulating layer 20 may be used without particular limitation as long as it is commonly used in the art, for example, may be extruded and coated.
- the braided wire 40 is used as a covering material, and the braided wire 40 can effectively shield electromagnetic waves generated from the core 10 by wrapping the core 10 from the outside. That is, the braided wire 40 is produced by twisting several strands of thin wires with each other, and each wire includes an alloy of copper (Cu) and iron (Fe). As described above, when the braided wire 40 is manufactured from the copper iron alloy, first, the copper and the iron in the molten state are alloyed with each other.
- the needle-like iron When the needle-like iron is employed in the copper in this way, when electromagnetic waves arrive, a magnetic field by an electric field and an electric field by a magnetic field are formed from the inner surfaces of the needle-like iron and copper. Therefore, the magnetic field formed in the needle iron acts as a lightning rod to absorb the surrounding electric field, and the magnetic field due to the electric field and the magnetic field due to the magnetic field have opposite directions, causing hysteresis in the iron and disappearing.
- Hysteresis refers to a phenomenon in which a magnetic field acts on a metal that can become a magnetic body and remains as a magnetic body without returning to a state in which there is no magnetic field even after the magnetic field is cut off after becoming a magnet.
- This phenomenon persists momentarily and repeatedly, effectively shielding electromagnetic waves.
- the shielding becomes higher at high energy, and the electrical energy phenomenon is instantaneously and repeatedly to effectively shield electromagnetic waves.
- the shielding property becomes higher at high frequencies with strong energy, and electrical energy is dissipated and does not remain, arc resistance (no sparks) is good.
- the braided wire 40 is manufactured by twisting the thin wires of the copper alloy component in several strands, and the braided wire 40 is used as a covering material for the cable, thereby effectively shielding electromagnetic waves generated from the cable.
- Copper Ferrous Alloy can be prepared by methods known in the art. For example, in addition to the horizontal continuous casting method described above, copper and flux may be added and dissolved in a molten iron completely dissolved therein, and then the flux may be removed and solidified to form a billet.
- FIG. 2 is a perspective view schematically showing a copper alloy audio cable according to another embodiment of the present invention.
- a coating layer 50 surrounding the outer surface of the shielding tape 30 and the braided wire 40 is added between the insulating layer 20 and the braided wire 40. Since it is the same as described above except that it is further included, description of overlapping portions will be omitted.
- the shielding tape 30 may be composed of aluminum foil in the form of a tape plated with silver and copper, but is not limited thereto.
- the coating layer 50 is not particularly limited and may be formed of a material having insulator properties such as polyethylene or polyvinyl chloride. In one example, low smoke insulation such as fluorinated polymers may be used.
- Iron (Fe), zinc (Zn), nickel (Ni), tin (Sn), chromium (Cr), magnesium (Mg) and copper (Cu) are added to the melting furnace at 1200 °C in the content ratio of Table 1 as the main raw material Slowly dissolve them. After maintaining this for about 30 minutes, the temperature is raised to 1300 °C while maintaining the temperature for about 1 hour in the state that the main raw metals are not completely dissolved, but 70% by weight dissolved. The metals then dissolve completely. At this time, in order to prevent risk factors such as gas explosive eruption, leakage, etc., slowly dissolve over about 20 hours.
- Copper alloy castings were prepared in the same manner as in Example 1 except for changing the content ratio as shown in Table 1.
- Copper alloy castings were prepared in the same manner as in Example 1 except for changing the content ratio and casting method as shown in Table 1.
- Copper alloy castings were manufactured in the same manner as in Example 1, except that casting methods were changed as shown in Table 2 below.
- Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Deoxidizer (Al) 3 2 3 3 3 3 3 Casting method Horizontal Continuous Casting Horizontal Continuous Casting Horizontal Continuous Casting Horizontal Continuous Casting Horizontal Continuous Casting Vertical casting Centrifugal casting
- Example 3 compared with Example 1, it can be seen that in the case of Examples 2 to 3 have similar performance, but 99.18746 weight percent copper (Cu) and 0.74584 weight percent iron (Fe) The performance was slightly reduced for Comparative Example 1, which included, and significantly decreased for Comparative Example 2, which contained 89.18746 weight percent copper (Cu) and 10.64584 weight percent iron (Fe).
- Comparative Example 1 prepared by the vertical casting method and Comparative Example 4 prepared by the vertical casting method but the same composition and content ratio as Example 1 compared to Example 1 manufactured by the horizontal continuous casting method It can be seen that this is somewhat reduced.
- the copper alloy audio cable has been described as an example, but is not particularly limited as long as it can be used as an electromagnetic shield, and may be used in all vehicles, ships, medical equipment, semiconductor materials, and the like. Of course.
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Abstract
Description
종류 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 |
Cu | 95.53657 | 90.85992 | 98.14936 | 99.18746 | 89.18746 | 95.53657 | 95.53657 |
Fe | 4.34589 | 8.68873 | 1.58933 | 0.74584 | 10.64584 | 4.34589 | 4.34589 |
Zn | 0.04456 | 0.09778 | 0.04597 | 0.00885 | 0.00885 | 0.04456 | 0.04456 |
Ni | 0.05985 | 0.08697 | 0.03724 | - | 0.06548 | 0.05985 | 0.05985 |
Sn | 0.00599 | 0.09876 | 0.01254 | 0.05693 | 0.08693 | 0.00599 | 0.00599 |
Cr | 0.00360 | 0.09895 | 0.07391 | - | 0.00451 | 0.00360 | 0.00360 |
Mg | 0.00354 | 0.06886 | 0.09165 | - | - | 0.00354 | 0.00354 |
합계(%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | |
탈산제(Al) | 3 | 2 | 3 | 3 | 3 | 3 | 3 |
주조방식 | 수평연속주조 | 수평연속주조 | 수평연속주조 | 수평연속주조 | 수평연속주조 | 수직주조 | 원심주조 |
종류 | 단위 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | |
임피던스 | Ω | 50±3 | 50±3 | 50±3 | 50±3 | 50±3 | 50±3 | 50±3 | |
전동선로 손실(transmission line loss) | 1~990 | dB/m | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
1000 | 0.3 | 0.5 | 0.6 | 0.9 | 1.2 | 0.7 | 0.8 | ||
정재파비(VSWR: voltage standing wire ratio) | 200MHz | 1.01 | 1.03 | 1.04 | 1.18 | 1.22 | 1.09 | 1.10 | |
800MHz | 1.03 | 1.02 | 1.03 | 1.17 | 1.25 | 1.09 | 1.09 | ||
1000MHz | 1.12 | 1.19 | 1.25 | 1.53 | 1.65 | 1.39 | 1.41 |
Claims (10)
- 철(Fe), 아연(Zn), 니켈(Ni), 주석(Sn), 크롬(Cr), 마그네슘(Mg) 및 구리(Cu) 중 적어도 하나를 포함하는 코어;상기 코어를 절연하는 절연층; 및철(Fe), 아연(Zn), 니켈(Ni), 주석(Sn), 크롬(Cr), 마그네슘(Mg) 및 구리(Cu) 중 적어도 하나를 포함하며 상기 절연층 외측에 구비되는 편조선;을 포함하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 코어 및 편조선 중 적어도 하나는 구리 90중량% 내지 99중량%, 철은 1 중량% 내지 10중량% 범위 이내를 포함하는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 편조선은 400 내지 2,000 denier의 섬도를 갖는 1 또는 2가닥 이상을 합사한 섬유를 포함하는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 절연층은 폴리염화비닐(Polyvinyl chloride), 가교 폴리염화 비닐(Polyvinyl chloride, crosslinked), 폴리에틸렌(Polyethylene), 폴리아미 드(Polyamide), 폴리테트라플루오로에틸렌(Polytetrafluoroethylene), 불화계 에 틸렌 프로필렌 (Fluorinated ethylene propylene), 에틸렌 테트라플루오로에틸렌 (Ethylen tetrafluoroethylene), 폴리프로필렌(Polypropylene), 폴리비닐리덴플루 오르(Polyvinyliden fluorid), 퍼플루오로알콕시 코폴리머 (Perfluoroalkoxy copolymer), 열가소성 폴리우레탄(Thermoplastic polyurethane), 열가소성 폴리에테르 폴리우레탄 (Thermoplastic polyether polyurethane), 열가소성 폴리에테르 에스테르 일레스토머 (Thermoplastic polyether ester elastomer), 열가소성 폴리 에테르 일레스토머 (Thermoplastic polyether elastomer), 열가소성 폴리스티렌 블록 코폴리머 (Thermoplastic polystyrene block copolymer), 열가소성 폴리아미드 일레스토머 (Thermoplastic polyamide elastomer), 실리콘 러버(Silicone rubber)로 이루어진 군에서 선택된 1종 이상을 포함하는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 동철합금 케이블은,은(Ag), 구리(Cu) 및 니켈(Ni)로 이루어진 군에서 선택된 적어도 하나를 포함하는 제 2 절연층을 더 포함하는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 5 항에 있어서,상기 제 2 절연층은 테이프 또는 알루미늄 호일 형태인 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 동철합금 케이블은,ETFE(Ethylene Tetra fluoro Ethylene), FEP(Fluoroethylenepropylene), PFA(Per Fluoro Alcoxide resine), THV(tetrafluoroethylenehexafluoropropylene-Vinylidenfluoride), PVDF(Polyvinylidene fluoride) 및 폴리우레탄계 수지로 이루어진 군에서 선택된 적어도 하나를 포함하는 피복층을 더 포함하는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 7 항에 있어서,상기 피복층은 1mm 내지 5mm의 두께 범위를 갖는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 코어는 표면에 은(Ag) 도금된 적어도 하나의 구리선을 연선(stranding)하여 형성되는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
- 제 1 항에 있어서,상기 코어 및 편조선 중 적어도 하나는 상기 철(Fe), 아연(Zn), 니켈(Ni), 주석(Sn), 크롬(Cr), 마그네슘(Mg) 및 구리(Cu) 중 적어도 하나를 포함하여 수평연속 주조 방식으로 제조되는 것을 특징으로 하는 고차폐성을 갖는 동철합금 케이블.
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KR20160054103A (ko) * | 2014-11-05 | 2016-05-16 | 엘에스전선 주식회사 | 섬유편조 케이블 |
KR20170033921A (ko) * | 2015-09-17 | 2017-03-28 | 주식회사 포스코 | 동철합금 분말의 제조방법 및 이에 의해 제조된 동철합금 분말 |
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