WO2011071097A1 - 送電体及びその製造方法 - Google Patents
送電体及びその製造方法 Download PDFInfo
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- WO2011071097A1 WO2011071097A1 PCT/JP2010/072079 JP2010072079W WO2011071097A1 WO 2011071097 A1 WO2011071097 A1 WO 2011071097A1 JP 2010072079 W JP2010072079 W JP 2010072079W WO 2011071097 A1 WO2011071097 A1 WO 2011071097A1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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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
- H01B1/023—Alloys based on aluminium
Definitions
- the present invention relates to a power transmission body such as a wire harness or a battery cable and a method for manufacturing the power transmission body.
- Al alloy conductive wires instead of annealed copper wires for power transmission bodies such as wire harnesses and battery cables in order to reduce the weight of conductive wires and reduce costs.
- Al alloy conductive wire Fe, Mg and Si are blended in a predetermined blending amount, and the balance is Al and an inevitable impurity aluminum alloy strand (see Patent Documents 1 and 2), Fe, Si and
- Patent Document 3 an aluminum alloy wire (see Patent Document 3) in which Mn is blended in a predetermined blending amount and the balance is Al and inevitable impurities.
- the Al alloy when producing a conductive wire using an Al alloy, the Al alloy is usually melted and then cast and drawn out as a continuous cast bar. However, at this time, the cast bar sometimes cracked. For this reason, when this cast bar was conveyed to a rolling device for the subsequent hot rolling process, the crack further expanded and sometimes broke. Alternatively, even when the cast bar is not cracked, after the cast bar is rolled to produce a wire rod, the wire rod may be cracked or disconnected when the wire rod is drawn. Alternatively, even when the cast bar and the wire rod are not cracked or disconnected in the manufacturing process, the Al alloy conductive wire may be cracked or disconnected while the power transmission body is used. As a result, conduction failure may occur in the power transmission body.
- an object of the present invention is to provide a power transmission body that can achieve both tensile strength and elongation while having high conductivity, and can sufficiently prevent poor conduction due to the occurrence of cracks.
- the present invention includes 1.2 to 2.2 mass% Fe, 0.15 to 0.4 mass% Si, 0.06 to 0.2 mass% Cu, and the balance
- a power transmission body comprising an Al alloy conductive wire comprising Al and an unavoidable impurity and containing an Al alloy having a Ti / Fe mass ratio of 0.00045 to 0.00750.
- this power transmission body it is possible to satisfy both tensile strength and elongation while having high conductivity, and to sufficiently prevent conduction failure due to occurrence of cracks.
- Ti / Fe is preferably 0.00045 to 0.00300, more preferably 0.00045 to 0.00190 in terms of mass ratio.
- the present invention is a method for manufacturing a power transmission body including a conductive wire forming step for forming an Al alloy conductive wire, wherein the conductive wire forming step melts and casts an Al alloy to produce a cast bar.
- the Al alloy through a cast bar production process, a wire rod production process for producing a wire rod by hot working the cast bar, and a wire drawing process for obtaining a drawn body by drawing the wire rod
- a step of forming a conductive wire, and in the cast bar manufacturing step Fe is 1.2 to 2.2 mass%, Si is 0.15 to 0.4 mass%, and Cu is 0.06 as the Al alloy.
- the tempering treatment of any one of the following (a) to (d) is performed on the drawn wire after the wire drawing step in the conductive wire forming step. It is preferable to further include a tempering treatment step to be performed.
- a tempering treatment for performing cold working after solution treatment and further subjecting to artificial age hardening (b) A tempering treatment for performing artificial age hardening treatment without performing cold working after solution treatment ( c) Tempering treatment that cools and then cold-processes after high-temperature processing, and further performs artificial age-hardening treatment (d) Tempering treatment that undergoes artificial age-hardening treatment without cooling and cold-processing after high-temperature processing processing
- the artificial age hardening treatment is preferably performed at 200 to 400 ° C.
- the additive element can be sufficiently precipitated and the elongation can be further improved.
- precipitation of a coarse particle is suppressed more fully and the fall of tensile strength can also be fully suppressed.
- a power transmission body shall mean the goods which transmit electric power. Therefore, the power transmission body includes a bare Al alloy conductive wire, a twisted conductor formed by twisting a plurality of Al alloy conductive wires, a covered electric wire formed by coating an Al alloy conductive wire with an insulating coating layer, one or more A cable formed by covering a covered electric wire with a protective layer, a wire harness configured by bundling a plurality of covered electric wires or cables, are also included.
- a power transmission body and a method for manufacturing the power transmission body that can achieve both tensile strength and elongation while having high conductivity, and can sufficiently prevent poor conduction due to the occurrence of cracks.
- FIG. 1 is a cross-sectional view showing an embodiment of a power transmission body of the present invention.
- the power transmission body 10 includes a stranded conductor 1 and an insulating coating layer 2. That is, the power transmission body 10 is constituted by the covered electric wire 3.
- the stranded wire conductor 1 is formed by twisting a plurality of Al alloy conductive wires 4 together.
- Al alloy conductive wire 4 contains an Al alloy.
- the Al alloy contains 1.2 to 2.2% by mass of Fe (iron), 0.15 to 0.4% by mass of Si (silicon), 0.06 to 0.2% by mass of Cu (copper), The balance is made of Al (aluminum) and inevitable impurities, and Ti / Fe is 0.00045 to 0.00750 in mass ratio.
- the contents of Fe, Si, and Cu are based on the weight of the Al alloy (100% by mass).
- the Al alloy contains 1.2 to 2.2% by mass of Fe. If the Fe content is less than 1.2% by mass, the elongation decreases, and it is impossible to achieve both tensile strength and elongation. On the other hand, when the Fe content is more than 2.2% by mass, the electrical conductivity is lowered.
- the Al alloy contains 0.15 to 0.4% by mass of Si. If the Si content is less than 0.15% by mass, the tensile strength decreases, and it is impossible to achieve both tensile strength and elongation. On the other hand, when the content of Si is more than 0.4% by mass, high conductivity cannot be obtained. Moreover, since elongation falls, it is not possible to achieve both tensile strength and elongation.
- the Al alloy contains 0.06 to 0.2% by mass of Cu. If the Cu content is less than 0.06% by mass, the tensile strength is lowered, so that it is impossible to achieve both tensile strength and elongation. On the other hand, if the Cu content is more than 0.2% by mass, high conductivity cannot be obtained. Moreover, since elongation falls, it is not possible to achieve both tensile strength and elongation.
- Ti / Fe is 0.00045 to 0.00750 in mass ratio.
- Ti / Fe is smaller than 0.00045, when the cast bar is produced by casting, cracks occur in the cast bar, or when the wire rod formed by hot working the cast bar is drawn. Arise. Or, during use of the power transmission body 10, the Al alloy conductive wire 4 is cracked or disconnected, and the power transmission body 10 becomes poorly conductive.
- Ti / Fe is greater than 0.00750, the tensile strength and elongation of the Al alloy conductive wire 4 cannot be made compatible when the Fe content is low. Moreover, when there is much content rate of Ti, the electrical conductivity of the Al alloy conductive wire 4 will become low.
- Al has a high purity in order to improve the conductivity of the Al alloy conductive wire 4.
- the purity of Al is preferably 99.95% or more. Since inevitable impurities cause a decrease in conductivity, the content is preferably as small as possible.
- Ti / Fe is preferably 0.00045 to 0.00600 in mass ratio, more preferably 0.00045 to 0.00500, and 0.00045 to 0.00300. More preferred is 0.00045 to 0.00190. In this case, the tensile strength can be further improved as compared with the case where Ti / Fe is out of the range of 0.00045 to 0.00600.
- the insulating coating layer 2 is made of an insulating material.
- a synthetic resin or the like is usually used.
- FIG. 2 is a diagram schematically showing an example of an apparatus for producing the Al alloy conductive wire of FIG.
- wire rod manufacturing process And the wire rod 13 is produced by hot-rolling the cast bar 12. Usually, the hot rolling mill 14 is connected to the continuous casting machine 11 in tandem.
- the wire diameter of the wire rod 13 is not particularly limited, but can be, for example, about 9.0 to 10.0 mm.
- the wire rod 13 is cold-drawn by a wire drawing machine 15 and drawn until the wire diameter becomes about 5.0 to 6.0 mm, for example, to obtain a drawn body 16.
- the wire drawing body 16 is subjected to a solution treatment by a solution treatment apparatus 17.
- This solution treatment is performed in order to make the additive element homogeneously solid solution.
- the solution treatment is preferably performed at 500 to 580 ° C.
- the solution treatment is performed in this temperature range, the additive elements are more sufficiently homogenized than when the solution treatment is performed at a temperature lower than 500 ° C.
- dissolution of the wire drawing body 16 is fully suppressed compared with the case where a solution treatment is performed at a temperature higher than 580 degreeC.
- the preferable treatment time varies depending on the solution treatment temperature. When the solution treatment is performed at 550 ° C., the treatment time is preferably 2.5 hours to 3.5 hours, more preferably 3 hours.
- the wire drawing body 16 may be cooled by water cooling or the like, but may not be cooled.
- the drawn wire 16 is further subjected to cold drawing with a drawing machine 18 to produce an Al alloy strand 19 having a desired wire diameter.
- the wire diameter of the Al alloy element wire 19 only needs to be smaller than the wire diameter of the drawn wire 16, and is usually about 0.3 to 0.4 mm.
- an artificial age hardening treatment is performed on the Al alloy wire 19 by the age hardening treatment apparatus 20.
- the artificial age hardening treatment is a treatment for finely depositing an excessively dissolved additive element.
- This artificial age hardening treatment is preferably performed at 200 to 400 ° C., more preferably 200 to 300 ° C.
- the additive element can be sufficiently precipitated and the elongation can be further improved.
- precipitation of a coarse particle is suppressed more fully and the fall of tensile strength can also be fully suppressed.
- the preferred artificial age hardening treatment time varies depending on the treatment temperature, composition, and the like. For example, the higher the treatment temperature, the shorter the artificial age hardening treatment time, and the lower the treatment temperature, the longer the artificial age hardening treatment time.
- the treatment time may be about 10 minutes to 5 hours.
- the processing time is 3 hours when the processing temperature is 200 ° C., 0.5 hours when the processing temperature is 250 ° C., and 0.17 hours when the processing temperature is 300 ° C.
- the Al alloy conductive wire 4 is obtained. Then, a plurality of the Al alloy conductive wires 4 are prepared, and these Al alloy conductive wires 4 are twisted to obtain the stranded wire conductor 1.
- the stranded conductor 1 is covered with the insulating coating layer 2.
- the Al alloy conductive wire 4 may be introduced into a crosshead portion of an extruder and covered with a synthetic resin extruded into a tube shape from the extruder. .
- the power transmission body 10 composed of the covered electric wire 3 is obtained.
- the power transmission body 10 includes the stranded wire conductor 1 formed by twisting a plurality of Al alloy conductive wires 4, but instead of the stranded wire conductor 1, the plurality of stranded wire conductors 1 are provided. Furthermore, you may provide the twisted wire conductor which twisted together, and may provide the compression conductor which compressed these twisted wire conductors 1 so that a cross section may become circular.
- the power transmission body 10 was comprised by the one covered electric wire 3
- the wire harness comprised by bundling the several covered electric wires 3 may be sufficient, and one or more covered The cable (for example, battery cable) which coat
- the power transmission body 10 includes the insulating coating layer 2 in the above embodiment, the insulating coating layer 2 can be omitted. That is, the power transmission body 10 may be composed of the bare twisted wire conductor 1 or may be composed of only one Al alloy conductive wire 4.
- the hot working of the cast bar 12 is a hot rolling process as described above, but may be a hot extrusion process.
- the wire rod 13 may be drawn by other known methods instead of cold working.
- the wire drawing body 16 obtained by wire-drawing the wire rod 13 is solution-treated, and it is cold after solution treatment.
- the tempering process is performed according to JIS T8, which is processed and further subjected to artificial age hardening, but other tempering processes may be performed instead of the tempering process according to JIS T8.
- an artificial age hardening treatment is performed without performing cold working (JIS T6)
- the wire drawing body 16 is subjected to high temperature processing and then cooled to perform cold processing
- a method of performing artificial age hardening treatment (JIS T10) and a method of applying artificial age hardening treatment (JIS T5) without performing cold working after cooling the drawn wire 16 at a high temperature may be performed.
- the high temperature processing means that the wire drawn body 16 is processed at a high temperature of 400 to 550 ° C.
- the tempering process can be omitted.
- the drawn wire 16 becomes the Al alloy conductive wire 4 as it is.
- Examples 1 to 42 and Comparative Examples 1 to 13 Fe, Si, Cu, Ti, and Al were dissolved in the compositions shown in Tables 1 to 3, and cast with a continuous casting machine to prepare a cast bar having a wire diameter of 25 mm.
- the cast bar was hot-rolled to produce a wire rod with a wire diameter of 9.8 mm.
- This wire rod was cold-drawn until the wire diameter became 0.33 mm to obtain an Al alloy strand.
- the Al alloy strand was subjected to age hardening treatment at the age hardening treatment temperature and time shown in Tables 1 to 3. In this way, an Al alloy conductive wire was obtained.
- the determination (evaluation) for the Al alloy lead wire was performed based on the following criteria. (1) Tensile strength is 140 MPa or more (2) Elongation is 12% or more (3) Conductivity is 58% IACS or more (4) No crack in cast bar or wire rod
- the Al alloy conductive wires satisfying all the above criteria (1) to (4) were accepted and indicated by “ ⁇ ” in Tables 1 to 3.
- Al alloy conductive wires that do not satisfy even one of the above criteria (1) to (4) are rejected and indicated by “x” in Tables 1 to 3.
- the power transmission body of the present invention can be used as a wire harness, a battery cable, etc. because it has both high conductivity and can achieve both tensile strength and elongation and can sufficiently prevent conduction failure due to the occurrence of cracks. It is.
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Abstract
Description
この送電体の製造方法によれば、高い導電性を有しながら引張強さと伸びとを両立させることができ且つ、割れの発生による導通不良を十分に防止できる送電体を製造することができる。
(a)溶体化処理した後に冷間加工を行い、更に人工時効硬化処理を施す調質処理
(b)溶体化処理した後、冷間加工を行わずに人工時効硬化処理を施す調質処理
(c)高温加工した後冷却して冷間加工を行い、更に人工時効硬化処理を施す調質処理
(d)高温加工した後、冷却し冷間加工を行わずに人工時効硬化処理を施す調質処理
Al合金導電線4はAl合金を含む。Al合金は、Fe(鉄)を1.2~2.2質量%、Si(珪素)を0.15~0.4質量%、Cu(銅)を0.06~0.2質量%含み、残部がAl(アルミニウム)及び不可避的不純物からなり、Ti/Feが質量比で0.00045~0.00750である。ここで、Fe、Si、Cuの含有率は、Al合金の重量を基準(100質量%)としたものである。
絶縁被覆層2は絶縁材料で構成される。絶縁材料としては、通常は合成樹脂などが用いられる。
まずAl合金導電線4を形成する。以下、Al合金導電線4の製造方法について図2を参照して説明する。図2は、図1のAl合金導電線を製造する装置の一例を概略的に示す図である。
はじめに、図2に示すように、上述した範囲の含有量を有するFe、Si、Cu、Ti及びAlを溶解し、連続鋳造機11にて鋳造して、キャストバー12を作製する。
そして、キャストバー12を熱間圧延してワイヤロッド13を作製する。通常は連続鋳造機11に熱間圧延機14がタンデムに接続されている。このワイヤロッド13の線径は特に限定されるものではないが、例えば9.0~10.0mm程度とすることが出来る。
次に、ワイヤロッド13を伸線加工機15にて冷間伸線加工し、線径が例えば5.0~6.0mm程度となるまで伸線し、伸線体16を得る。
次いで伸線体16を、溶体化処理装置17にて溶体化処理する。この溶体化処理は、添加元素を均質に固溶させるために行うものである。溶体化処理は、500~580℃で行うことが好ましい。この温度範囲で溶体化処理を行うと、500℃より低い温度で溶体化処理を行う場合に比べて、添加元素がより十分に均質化される。また、580℃より高い温度で溶体化処理を行う場合に比べて、伸線体16の部分的な溶解が十分に抑制される。尚、好ましい処理時間は、溶体化処理温度により異なる。溶体化処理が550℃で行われる場合には、処理時間は、好ましくは2.5時間~3.5時間であり、より好ましくは3時間である。この溶体化処理の後、水冷等により、伸線体16を冷却してもよいが、冷却しなくてもよい。
次に、撚線導体1を絶縁被覆層2で被覆する。撚線導体1を絶縁被覆層2で被覆するためには、Al合金導電線4を押出機のクロスヘッド部などに導入し、その押出機からチューブ状に押出加工した合成樹脂で被覆すればよい。
Fe、Si、Cu、Ti及びAlを表1~3に示す組成で溶解し、連続鋳造機にて鋳造して、線径25mmのキャストバーを作製した。そして、キャストバーを熱間圧延して線径9.8mmのワイヤロッドを作製した。このワイヤロッドを、線径が0.33mmとなるまで冷間伸線加工し、Al合金素線を得た。このAl合金素線を表1~3に示す時効硬化処理温度及び時間で、時効硬化処理を施した。このようにしてAl合金導電線を得た。
(1)引張強さが140MPa以上である
(2)伸びが12%以上である
(3)導電率が58%IACS以上である
(4)キャストバー又はワイヤロッドにおける割れの発生が無い
表1~3に示す結果より、本発明の要件を満たす実施例1~42は、上記(1)~(4)の全ての基準を満たした。従って、判定は合格であった。一方、本発明の要件を満たさない比較例1~13は、上記(1)~(4)の基準のうちの少なくとも1つを満たすことができなかった。従って、判定は不合格であった。
3…被覆電線(送電体)
4…Al合金導電線
10…送電体
12…キャストバー
13…ワイヤロッド
16…伸線体
Claims (6)
- Feを1.2~2.2質量%、Siを0.15~0.4質量%、Cuを0.06~0.2質量%含み、残部がAl及び不可避的不純物からなり、
Ti/Feが質量比で0.00045~0.00750であるAl合金を含むAl合金導電線を備えた送電体。 - 前記Al合金において、Ti/Feが質量比で0.00045~0.00300である請求項1に記載の送電体。
- 前記Al合金において、Ti/Feが質量比で0.00045~0.00190である請求項1に記載の送電体。
- Al合金導電線を形成する導電線形成工程を含む送電体の製造方法であって、
前記導電線形成工程が、
Al合金を溶解し、鋳造して、キャストバーを作製するキャストバー作製工程と、
前記キャストバーを熱間加工してワイヤロッドを作製するワイヤロッド作製工程と、
前記ワイヤロッドを伸線加工して伸線体を得る伸線加工工程とを経て前記Al合金導電線を形成する工程であり、
前記キャストバー作製工程において、前記Al合金として、Feを1.2~2.2質量%、Siを0.15~0.4質量%、Cuを0.06~0.2質量%含み、残部がAl及び不可避的不純物からなり、Ti/Feが質量比で0.00045~0.00750であるAl合金が用いられる送電体の製造方法。 - 前記導電線形成工程が、前記伸線加工工程の後に、前記伸線体に対し、以下の(a)~(d)のいずれかの調質処理を行う調質処理工程を更に含む請求項4に記載の送電体の製造方法。
(a)溶体化処理した後に冷間加工を行い、更に人工時効硬化処理を施す調質処理
(b)溶体化処理した後、冷間加工を行わずに人工時効硬化処理を施す調質処理
(c)高温加工した後冷却して冷間加工を行い、更に人工時効硬化処理を施す調質処理
(d)高温加工した後、冷却し冷間加工を行わずに人工時効硬化処理を施す調質処理 - 前記調質処理工程において、前記人工時効硬化処理は、200~400℃で行う請求項5に記載の送電体の製造方法。
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DE112010004765T DE112010004765T5 (de) | 2009-12-11 | 2010-12-09 | Elektrizitätstransmissionskörper und Herstellungsverfahren davon |
US13/492,314 US20120241193A1 (en) | 2009-12-11 | 2012-06-08 | Electricity transmission body and production method of same |
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WO2016027550A1 (ja) * | 2014-08-19 | 2016-02-25 | 株式会社オートネットワーク技術研究所 | アルミニウム電線の製造方法 |
JP2021025084A (ja) * | 2019-08-02 | 2021-02-22 | 株式会社フジクラ | アルミニウム合金線の製造方法、これを用いた電線の製造方法及びワイヤハーネスの製造方法 |
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CN103958711B (zh) * | 2012-10-11 | 2016-09-21 | 株式会社Uacj | 母线用板状导电体及由其形成的母线 |
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JPH06330212A (ja) * | 1993-05-26 | 1994-11-29 | Sky Alum Co Ltd | 陽極酸化処理後の色調が安定な淡色の建材用厚肉アルミニウム合金圧延板およびその製造方法 |
JP2005336549A (ja) * | 2004-05-27 | 2005-12-08 | Nippon Light Metal Co Ltd | 自動車の導電線用アルミニウム合金及びその合金線材の製造方法 |
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JPS59222550A (ja) * | 1983-05-31 | 1984-12-14 | Furukawa Electric Co Ltd:The | 高力アルミニウム合金導体の製造方法 |
JP4728604B2 (ja) | 2004-07-02 | 2011-07-20 | 古河電気工業株式会社 | 自動車配線用アルミ導電線及び自動車配線用電線 |
JP4330003B2 (ja) | 2004-07-02 | 2009-09-09 | 古河電気工業株式会社 | アルミ導電線 |
JP4728603B2 (ja) | 2004-07-02 | 2011-07-20 | 古河電気工業株式会社 | 自動車配線用アルミ導電線及び自動車配線用電線 |
JP4927366B2 (ja) * | 2005-02-08 | 2012-05-09 | 古河電気工業株式会社 | アルミニウム導電線 |
JP5128109B2 (ja) * | 2006-10-30 | 2013-01-23 | 株式会社オートネットワーク技術研究所 | 電線導体およびその製造方法 |
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2010
- 2010-12-09 JP JP2011545234A patent/JPWO2011071097A1/ja active Pending
- 2010-12-09 DE DE112010004765T patent/DE112010004765T5/de not_active Withdrawn
- 2010-12-09 WO PCT/JP2010/072079 patent/WO2011071097A1/ja active Application Filing
- 2010-12-09 CN CN2010800524153A patent/CN102666893A/zh active Pending
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2012
- 2012-06-08 US US13/492,314 patent/US20120241193A1/en not_active Abandoned
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JPS5070895A (ja) * | 1973-07-23 | 1975-06-12 | ||
JPH01230755A (ja) * | 1988-03-10 | 1989-09-14 | Sumitomo Light Metal Ind Ltd | 深絞り性に優れた乳白色陽極酸化発色性器物用アルミニウム合金板の製造方法 |
JPH06330212A (ja) * | 1993-05-26 | 1994-11-29 | Sky Alum Co Ltd | 陽極酸化処理後の色調が安定な淡色の建材用厚肉アルミニウム合金圧延板およびその製造方法 |
JP2005336549A (ja) * | 2004-05-27 | 2005-12-08 | Nippon Light Metal Co Ltd | 自動車の導電線用アルミニウム合金及びその合金線材の製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016027550A1 (ja) * | 2014-08-19 | 2016-02-25 | 株式会社オートネットワーク技術研究所 | アルミニウム電線の製造方法 |
CN106574352A (zh) * | 2014-08-19 | 2017-04-19 | 株式会社自动网络技术研究所 | 铝电线的制造方法 |
JPWO2016027550A1 (ja) * | 2014-08-19 | 2017-06-29 | 株式会社オートネットワーク技術研究所 | アルミニウム電線の製造方法 |
US10829843B2 (en) | 2014-08-19 | 2020-11-10 | Autonetworks Technologies, Ltd. | Method for producing aluminum wire |
JP2021025084A (ja) * | 2019-08-02 | 2021-02-22 | 株式会社フジクラ | アルミニウム合金線の製造方法、これを用いた電線の製造方法及びワイヤハーネスの製造方法 |
Also Published As
Publication number | Publication date |
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DE112010004765T5 (de) | 2012-10-11 |
JPWO2011071097A1 (ja) | 2013-04-22 |
US20120241193A1 (en) | 2012-09-27 |
CN102666893A (zh) | 2012-09-12 |
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