JPH07204798A - Production of fine metallic wire - Google Patents
Production of fine metallic wireInfo
- Publication number
- JPH07204798A JPH07204798A JP2209894A JP2209894A JPH07204798A JP H07204798 A JPH07204798 A JP H07204798A JP 2209894 A JP2209894 A JP 2209894A JP 2209894 A JP2209894 A JP 2209894A JP H07204798 A JPH07204798 A JP H07204798A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- surfactant
- metallic wire
- fine metallic
- molten metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Continuous Casting (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、溶融金属をノズルから
噴出させて、冷媒中で凝固させることにより金属細線を
製造する方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing fine metal wires by ejecting molten metal from a nozzle and solidifying it in a refrigerant.
【０００２】[0002]
【従来の技術】従来、溶融金属をノズルから噴出させ
て、冷媒中で凝固させることにより金属細線を製造しよ
うとする研究が進んでおり、その工業的な製造方法とし
て、特開昭５６−１６５０１５号公報に開示された回転
液中紡糸法や、特開昭５８−１７３０５９号公報に開示
されたベルトコンベアー法が知られている。回転液中紡
糸法とは、回転するドラムの内壁に遠心力で保持された
冷媒中に、ガス圧により、ノズルから溶融金属を噴出せ
しめ、この溶融金属を急冷凝固させてアモルファス金属
細線や結晶質金属細線などを製造する方法である。ま
た、ベルトコンベアー法とは、ベルトコンベアー上を移
動する整流された冷媒中に、ガス圧によりノズルから溶
融金属を噴出せしめ、この溶融金属を急冷凝固させてア
モルファス金属細線や結晶質金属細線などを製造する方
法である。2. Description of the Related Art Conventionally, research has been conducted to produce a fine metal wire by ejecting molten metal from a nozzle and solidifying it in a refrigerant. The rotating submerged spinning method disclosed in JP-A-58-173059 and the belt conveyor method disclosed in JP-A-58-173059 are known. The rotating submerged spinning method is a method in which a molten metal is ejected from a nozzle by gas pressure into a refrigerant held by a centrifugal force on the inner wall of a rotating drum, and the molten metal is rapidly cooled and solidified to form an amorphous metal fine wire or crystalline material. This is a method of manufacturing thin metal wires and the like. Further, the belt conveyor method, in the rectified refrigerant moving on the belt conveyor, to eject the molten metal from the nozzle by gas pressure, to rapidly solidify the molten metal, such as amorphous metal fine wire or crystalline metal fine wire. It is a manufacturing method.
【０００３】これらの金属細線の製造方法においては、
通常、誘導溶解炉やアーク溶解炉を用いて作製された固
体の母合金が原材料として利用されている。すなわち、
ノズル孔を備えた石英やアルミナなどのセラミックス容
器からなるノズル中に、所望の組成の母合金を保持し、
その母合金を加熱し再溶解させた後、所定の温度におい
てガス圧によりノズルから溶融金属を噴出せしめ、冷媒
中で凝固させることにより、金属細線が製造されてい
る。また、これらの金属細線の製造に用いられる冷媒と
しては、通常蒸留水、イオン交換水、水道水などが用い
られている。In these methods of manufacturing thin metal wires,
Usually, a solid master alloy produced by using an induction melting furnace or an arc melting furnace is used as a raw material. That is,
Hold a mother alloy of a desired composition in a nozzle made of a ceramic container such as quartz or alumina with a nozzle hole,
After heating and remelting the mother alloy, a molten metal is ejected from a nozzle by gas pressure at a predetermined temperature and solidified in a refrigerant to produce a fine metal wire. Further, as the refrigerant used for manufacturing these thin metal wires, distilled water, ion-exchanged water, tap water, etc. are usually used.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
ような従来法では、回転あるいは走行する冷媒に随伴す
る気流の乱れ等によって、冷媒表面に乱れが生じ易くな
るため、金属細線の製造時に切断が発生し易く、生産性
の低下をまねくという問題があった。本発明は、金属細
線の製造において、製造時の細線の切断を低減させ、細
線の連続性を向上させることのできる金属細線の製造方
法を提供することを目的とするものである。However, in the conventional method as described above, turbulence of the air current accompanying the rotating or traveling refrigerant is likely to cause turbulence on the surface of the refrigerant, so that cutting is performed at the time of manufacturing the thin metal wire. There is a problem in that it is likely to occur, leading to a decrease in productivity. An object of the present invention is to provide a method for manufacturing a metal thin wire, which can reduce the cutting of the thin wire during manufacturing and improve the continuity of the thin wire in the manufacture of the metal thin wire.
【０００５】[0005]
【課題を解決するための手段】本発明者らは、このよう
な課題を解決するために鋭意検討の結果、冷媒中で凝固
させて金属細線を製造するに際し、冷媒として、界面活
性剤を含有する冷媒を用いることにより、冷媒表面の安
定化が図られ、金属細線の連続性を向上させることがで
きるという事実を見出し、本発明に到達した。すなわ
ち、本発明は、溶融金属をノズルから噴出させ、冷媒中
で凝固させて金属細線を製造するに際し、冷媒として、
界面活性剤を含有する冷媒を用いることを特徴とする金
属細線の製造方法を要旨とするものである。Means for Solving the Problems As a result of intensive studies for solving the above problems, the inventors of the present invention include a surfactant as a refrigerant when solidifying in a refrigerant to produce fine metal wires. The present invention has been accomplished by discovering the fact that the use of a cooling medium that stabilizes the surface of the cooling medium can improve the continuity of thin metal wires. That is, the present invention, the molten metal is ejected from the nozzle, when solidified in a refrigerant to produce a thin metal wire, as a refrigerant,
A gist of the present invention is a method for producing a metal thin wire, which is characterized by using a refrigerant containing a surfactant.
【０００６】以下、本発明を詳細に説明する。本発明に
おいては、溶融金属をノズルから噴出させ、冷媒中で凝
固させて金属細線を製造するに際し、冷媒として、界面
活性剤を含有する冷媒を用いることが必要である。本発
明において、冷媒に含有させる界面活性剤としては、フ
ェノール系、シリコン系、フッ素系の界面活性剤である
ことが好ましく、フェノール系の界面活性剤としては、
例えば、ノニポール20、オクタポール−45（三洋化成社
製）が、シリコン系の界面活性剤としては、例えば、Ｓ
Ｈ3771、ＳＨ3746（東レダウシリコン社製）が、フッ素
系の界面活性剤としては、例えば、MEGAFAC F-116(大日
本インキ社製）、S-141(旭ガラス社製) 等があげられ
る。また、界面活性剤の濃度としては、極微少量でもよ
く、例えば、0.001ppm以上が適当であり，0.02〜５ppm
であることが好ましい。The present invention will be described in detail below. In the present invention, when a molten metal is ejected from a nozzle and solidified in a refrigerant to produce a thin metal wire, it is necessary to use a refrigerant containing a surfactant as the refrigerant. In the present invention, the surfactant contained in the refrigerant is preferably a phenol-based, silicon-based, or fluorine-based surfactant, and as the phenol-based surfactant,
For example, Nonipol 20, Octapol-45 (manufactured by Sanyo Kasei Co., Ltd.) is used as the silicon-based surfactant, for example, S
H3771 and SH3746 (manufactured by Toray Dow Silicon Co., Ltd.), and examples of the fluorine-based surfactant include MEGAFAC F-116 (manufactured by Dainippon Ink and Chemicals, Inc.) and S-141 (manufactured by Asahi Glass Co., Ltd.). The concentration of the surfactant may be a very small amount, for example, 0.001 ppm or more is suitable, and 0.02 to 5 ppm
Is preferred.
【０００７】本発明で金属細線を製造するには、例え
ば、前述した特開昭５６−１６５０１５号公報に開示さ
れた回転液中紡糸法や、特開昭５８−１７３０５９号公
報に開示されたベルトコンベアー法を用いことができる
が、この二つの製造方法に限定されるものではない。す
なわち、細孔ノズルを備えたセラミックス容器中に所望
の組成の母合金を入れ、その母合金を加熱し再溶解した
後、ガス圧によりノズルから噴出せしめ、冷媒中で凝固
させて金属細線を製造する方法に広く応用することがで
きる。In order to produce a fine metal wire in the present invention, for example, the rotating submerged spinning method disclosed in Japanese Patent Laid-Open No. 56-165015 mentioned above and the belt disclosed in Japanese Patent Laid-Open No. 58-173059. A conveyor method can be used, but is not limited to these two manufacturing methods. That is, a mother alloy having a desired composition is placed in a ceramics container equipped with a fine-pore nozzle, the mother alloy is heated and remelted, and then ejected from the nozzle by gas pressure and solidified in a refrigerant to produce a fine metal wire. Can be widely applied to the method.
【０００８】また、本発明に用いられるノズル孔を具備
したノズルとしては、溶融金属と反応性の少ない任意の
セラミックス材料を用いることができ、加工性に優れた
カーボン、ＢＮあるいは石英などをはじめとして、耐熱
性に優れた窒化珪素、炭化珪素、アルミナあるいはジル
コニアなどが利用できる。また、本発明は、溶融状態で
ノズルから噴出可能な金属または合金について適用する
ことが可能であり、Fe族合金、Cu合金、Pb合金、あるい
はAl合金などの種々の合金系に適用することができる。Further, as the nozzle having the nozzle hole used in the present invention, any ceramic material having a low reactivity with the molten metal can be used, and carbon, BN, quartz, etc., which are excellent in workability, can be used. It is possible to use silicon nitride, silicon carbide, alumina, zirconia, etc., which have excellent heat resistance. Further, the present invention can be applied to metals or alloys that can be ejected from a nozzle in a molten state, and can be applied to various alloy systems such as Fe group alloys, Cu alloys, Pb alloys, or Al alloys. it can.
【０００９】[0009]
【作用】本発明においては、金属細線を製造するに際し
て、界面活性剤を含んだ冷媒を用いているので、冷媒表
面の表面張力が調整され、例えば、冷媒の移動に伴って
生じる随伴気流の影響による冷媒表面の凹凸の発生を抑
止し、冷媒への突入時の溶湯流の安定性及び冷媒中での
凝固途中の溶湯流の安定性を確保し、金属細線の連続性
を向上させるという役目を果たす。In the present invention, since the refrigerant containing the surfactant is used in the production of the thin metal wire, the surface tension of the refrigerant surface is adjusted and, for example, the influence of the accompanying air flow caused by the movement of the refrigerant. The role of improving the continuity of the thin metal wire by suppressing the occurrence of irregularities on the surface of the refrigerant due to the formation of the metal, ensuring the stability of the molten metal flow when entering the refrigerant and the stability of the molten metal flow during solidification in the refrigerant. Fulfill
【００１０】[0010]
【実施例】次に、本発明を実施例及び比較例によって具
体的に説明する。 実施例１〜７、比較例１ Fe77.5Si7.5B15（数字は原子％を表す。）の組成を有す
る母合金を溶解させ、これをノズルから噴出させて、表
１に示すような界面活性剤を含有する冷媒中で急冷凝固
させることにより、金属細線の製造をそれぞれ20回行っ
た。まず、母合金の作製には多孔質アルミナルツボを用
い、原料としては、電解鉄（純度99.9％）、シリコン
（純度99.9999 ％）、クリスタルボロン（純度99.8％以
上）を用いて、溶解温度1300℃で溶解させ、母合金を作
製した。EXAMPLES Next, the present invention will be specifically described with reference to Examples and Comparative Examples. Examples 1 to 7 and Comparative Example 1 Fe 77.5 Si 7.5 B 15 (numerical values represent atomic%) was melted in a mother alloy, which was ejected from a nozzle to obtain the surface activity as shown in Table 1. Each of the thin metal wires was manufactured 20 times by rapid solidification in a refrigerant containing the agent. First, a porous alumina crucible was used to make the master alloy, and electrolytic iron (purity 99.9%), silicon (purity 99.9999%), and crystal boron (purity 99.8% or higher) were used as raw materials, and the melting temperature was 1300 ° C. And melted to prepare a mother alloy.
【００１１】次に、130 μｍのノズル孔径を有する内径
34.5mmの石英製の紡出ノズルの中に、作製した母合金30
0gを入れてノズル内で再溶解させ、噴出温度1300℃に
て、内径800mm φの回転ドラムの内壁に保持された、表
１に示す界面活性剤を含有する深さ25mmの回転冷却水
に、アルゴンガス圧5.5kg/cm2 で溶融金属を噴出させて
金属細線を作製した。得られた金属細線はアモルファス
金属細線であった。なお、この回転液中紡糸法によりア
モルファス金属細線を製造する際の溶融ジェットのドラ
ム水面への導入角は60度であり、ノズル先端と水面との
距離は３mmであった。また、溶融金属の温度は熱電対に
より測定した。Next, the inner diameter having a nozzle hole diameter of 130 μm
In the 34.5 mm quartz spinning nozzle, the prepared master alloy 30
0 g was put and re-dissolved in the nozzle, and at the jetting temperature of 1300 ° C., the rotary cooling water containing the surfactant shown in Table 1 and having a depth of 25 mm held on the inner wall of the rotary drum having an inner diameter of 800 mm φ Molten metal was ejected at an argon gas pressure of 5.5 kg / cm 2 to prepare a thin metal wire. The obtained metal fine wire was an amorphous metal fine wire. The angle of introduction of the molten jet to the water surface of the drum during the production of amorphous metal thin wires by this spinning liquid spinning method was 60 degrees, and the distance between the nozzle tip and the water surface was 3 mm. The temperature of the molten metal was measured with a thermocouple.
【００１２】次に、製造時の切断状況については、細線
の製造終了後にドラム内より製造されたアモルファス金
属細線を順次巻きとり、製造時に発生した切断数を数
え、実施例及び比較例のそれぞれについて平均切断数を
求めた。製造時に発生した3000m 当たりの平均切断数を
表１に示す。Next, regarding the cutting situation during manufacturing, the amorphous metal thin wires manufactured in the drum after the manufacture of the thin wires are sequentially wound, the number of cuts generated during the manufacturing is counted, and each of the examples and the comparative examples is measured. The average number of cuts was determined. Table 1 shows the average number of cuts per 3000 m generated during manufacturing.
【００１３】[0013]
【表１】 [Table 1]
【００１４】表１の結果より明らかなように、フェノー
ル系、シリコン系、フッ素系の界面活性剤を含有した冷
媒を使用して金属細線を製造した実施例１〜７では、界
面活性剤を含有しない冷媒を使用して金属細線を製造し
た比較例１と比較して、製造時の平均切断数がはるかに
少なく、連続性に優れた金属細線が得られた。As is clear from the results shown in Table 1, in Examples 1 to 7 in which thin metal wires were produced using a refrigerant containing a phenol-based, silicon-based, or fluorine-based surfactant, the surfactant was included. Compared with Comparative Example 1 in which a thin metal wire was manufactured using a non-refrigerant, the average number of cuts during manufacturing was much smaller, and a metal thin wire excellent in continuity was obtained.
【００１５】[0015]
【発明の効果】本発明によれば、界面活性剤を含有する
冷媒を用いることにより、金属細線の製造時における切
断数が大幅に減少し、金属細線の連続性を向上させるこ
とが可能となる。According to the present invention, by using a refrigerant containing a surfactant, the number of cuts in the production of metal fine wires can be significantly reduced, and the continuity of the metal fine wires can be improved. .
Claims (4)
で凝固させて金属細線を製造するに際し、冷媒として、
界面活性剤を含有する冷媒を用いることを特徴とする金
属細線の製造方法。1. When a molten metal is ejected from a nozzle and solidified in a refrigerant to produce a thin metal wire, as a refrigerant,
A method for producing a thin metal wire, which comprises using a refrigerant containing a surfactant.
剤である請求項１記載の金属細線の製造方法。2. The method for producing a metal fine wire according to claim 1, wherein the surfactant is a phenol-based surfactant.
である請求項１記載の金属細線の製造方法。3. The method for producing a thin metal wire according to claim 1, wherein the surfactant is a silicon-based surfactant.
ある請求項１記載の金属細線の製造方法。4. The method for producing a metal fine wire according to claim 1, wherein the surfactant is a fluorine-based surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02209894A JP3247240B2 (en) | 1994-01-20 | 1994-01-20 | Manufacturing method of fine metal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02209894A JP3247240B2 (en) | 1994-01-20 | 1994-01-20 | Manufacturing method of fine metal wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07204798A true JPH07204798A (en) | 1995-08-08 |
| JP3247240B2 JP3247240B2 (en) | 2002-01-15 |
Family
ID=12073414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02209894A Expired - Fee Related JP3247240B2 (en) | 1994-01-20 | 1994-01-20 | Manufacturing method of fine metal wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3247240B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8330055B2 (en) | 2009-03-30 | 2012-12-11 | Empire Technology Development Llc | Magnetic composite, method for producing the same, and shielding structure |
-
1994
- 1994-01-20 JP JP02209894A patent/JP3247240B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8330055B2 (en) | 2009-03-30 | 2012-12-11 | Empire Technology Development Llc | Magnetic composite, method for producing the same, and shielding structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3247240B2 (en) | 2002-01-15 |
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