JPS62183944A - Production of rapid cooling foil metal and its nozzle - Google Patents
Production of rapid cooling foil metal and its nozzleInfo
- Publication number
- JPS62183944A JPS62183944A JP2724286A JP2724286A JPS62183944A JP S62183944 A JPS62183944 A JP S62183944A JP 2724286 A JP2724286 A JP 2724286A JP 2724286 A JP2724286 A JP 2724286A JP S62183944 A JPS62183944 A JP S62183944A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- nozzle
- metal
- slit
- cooling
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000011888 foil Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 claims description 11
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 102100027340 Slit homolog 2 protein Human genes 0.000 abstract description 11
- 101710133576 Slit homolog 2 protein Proteins 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は単ロール急冷法による急冷金属薄帯の製造法お
よびそれに使用するノズルに関するもの（従来の技術）
非晶質金属を始めとし、各種の溶融金属材料をロール等
の移動冷却体上に噴出し、急冷凝固させて金属薄帯を製
造することが広く行われており、その方法、装置等につ
いても、例えば特開昭５３−５３５２５号公報等種々の
方法が開示されている。しかしながらアルミニウム合金
のように、粘度が低く、かつ熱伝導性の高い材料の溶融
体に、上記の技術全直接適用することは、次に述べるよ
うな理由により困難な問題がある。Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a method for producing a quenched metal ribbon by a single roll quenching method and a nozzle used therein (prior art). It is widely practiced to produce a metal ribbon by spouting a molten metal material onto a moving cooling body such as a roll and rapidly solidifying it. Various methods are disclosed in publications and the like. However, it is difficult to apply all of the above techniques directly to a melt of a material with low viscosity and high thermal conductivity, such as an aluminum alloy, for the following reasons.
すなわち、アルミニウム合金等の溶融体は、概略１０−
７〜１ｏ−’ｍ”／ｓの運動量拡散係数と、概略１０−
５−１０−’−／Ｓの熱拡散係数をもっている。従って
この溶融体を冷却体上で冷却させた場合は、溶融体内部
における冷却域の拡大の方が、冷却体移動に対する溶融
体の移動追従域の拡大よりも優先することになる。この
ことはノズル先端部におけるパドル（湯溜り部）の形成
を不可能とし、従ってパドルの形成全前提とする急冷金
属薄帯の製（発明が解決しようとする問題点）
不発明は上記のような問題点を有する材料を含めて、安
定な急冷金属薄帯の製造法及びそのノズルを提供するも
のである。That is, a molten body such as an aluminum alloy has approximately 10-
Momentum diffusion coefficient of 7~1o-'m"/s and approximately 10-'m"/s
It has a thermal diffusion coefficient of 5-10-'-/S. Therefore, when this molten body is cooled on a cooling body, the expansion of the cooling region inside the molten body has priority over the expansion of the area where the movement of the molten body follows the movement of the cooling body. This makes it impossible to form a puddle (reservoir) at the tip of the nozzle, and therefore, the formation of the puddle is based on the production of a quenched metal ribbon (the problem that the invention seeks to solve). The present invention provides a method for producing a stable quenched metal ribbon, including materials having such problems, and a nozzle therefor.
（問題点を解決するだめの手段）
本発明は、従来技術におけるパドルの形成に代えて、冷
却体の移動方向に溶融金属を誘導するようにしたもので
、溶融状態の金属を移動冷却体上に流し、急冷凝固させ
る急冷金属薄帯製造法において、移動冷却体の移動方向
に並行して、ノズル底部に溶融金属の移動ｒ可能にする
導路を設け、凝固途上の凝固殻上に溶融金属を加圧供給
するとともに、加圧された溶融金属を保持するようにし
たこと、およびこの方法に使用するノズルに関するもの
である。(Means for Solving the Problem) The present invention guides molten metal in the moving direction of the cooling body instead of forming puddles in the prior art, and moves the molten metal onto the moving cooling body. In the method of manufacturing a rapidly solidified metal ribbon, a conduit is provided at the bottom of the nozzle parallel to the moving direction of the moving cooling body to allow the movement of the molten metal, and the molten metal is poured onto the solidified shell in the process of solidification. The present invention relates to a method for supplying molten metal under pressure and holding the pressurized molten metal, and a nozzle used in this method.
以下図面により本発明につＧて説明する。The present invention will be explained below with reference to the drawings.
第１図は本発明に使用するノズルの先端部の断面図を示
すもので、１はノズル本体で耐火物で形成する。２は該
本体に設けたスリット、３は該スリット２に対向したロ
ール等の移動冷却体であシ、図中矢印方向に移動する。FIG. 1 shows a cross-sectional view of the tip of the nozzle used in the present invention, and numeral 1 indicates the nozzle body, which is made of a refractory material. 2 is a slit provided in the main body, and 3 is a moving cooling body such as a roll facing the slit 2, which moves in the direction of the arrow in the figure.
４はノズル下端にスリット２と連続して、下流側に設け
た導路であり、移動冷却体３の移動方向に向けて勾配を
つけである。５は該導路４の先端部、６はスリットの後
端部、７はスリット２から供給される溶融金属、８は製
造された急冷薄帯、９は凝固殻である。Reference numeral 4 denotes a guide path provided at the lower end of the nozzle, continuous with the slit 2, on the downstream side, and sloped toward the moving direction of the mobile cooling body 3. Reference numeral 5 designates the tip of the conduit 4, 6 the rear end of the slit, 7 the molten metal supplied from the slit 2, 8 the produced quenched ribbon, and 9 the solidified shell.
また第２図は２、本発明と対比するために従来のノズル
端部を示したもので、２０はノズル本体、２１はパドル
である。Further, FIG. 2 shows a conventional nozzle end portion 2 for comparison with the present invention, where 20 is a nozzle body and 21 is a paddle.
本発明により急冷金属薄帯を製造するには、公知の方法
と同様に、移動冷却体３を矢印方向に移動させながら、
溶融金属７をスリット２に加圧供給する。このとき該ス
リット２の後端部６は、できるだけ移動冷却体３０表面
に接近させ、該部分から溶融金属７が外部に洩出するこ
とを防止する。In order to produce a quenched metal ribbon according to the present invention, as in the known method, while moving the moving cooling body 3 in the direction of the arrow,
Molten metal 7 is supplied to slit 2 under pressure. At this time, the rear end portion 6 of the slit 2 is brought as close to the surface of the moving cooling body 30 as possible to prevent the molten metal 7 from leaking outside from this portion.
またノズル本体ｌの下端に、スリット２と連続して設け
た導路４の先端部５と、移動冷却体３０表面との距離は
、製造する急冷薄帯の厚さとほぼ等しく設定する。Further, the distance between the tip 5 of the guide path 4 provided continuously with the slit 2 at the lower end of the nozzle body 1 and the surface of the moving cooling body 30 is set to be approximately equal to the thickness of the quenched ribbon to be manufactured.
さらに、導路４の長さは、製造しようとする薄帯素材の
物性値、特に熱伝導率、比熱、凝固潜熱、密度および移
動冷却体３の移動速度により異るが、周知のノイマン解
による計算値を用いた実験を行い、さらに修正を加えた
値を採用する。Furthermore, the length of the guide path 4 varies depending on the physical properties of the ribbon material to be manufactured, especially thermal conductivity, specific heat, latent heat of solidification, density, and moving speed of the moving cooling body 3, but is based on the well-known Neumann solution. Conduct experiments using calculated values and adopt values with further modifications.
このようにして溶融金属７をスリット２を介して、移動
冷却体３上に加圧供給すると、溶融金属７は移動冷却体
、 ３Ｌに接触して冷却され、凝固殻９が形成される。When the molten metal 7 is supplied under pressure onto the moving cooling body 3 through the slit 2 in this manner, the molten metal 7 comes into contact with the moving cooling body 3L and is cooled, forming a solidified shell 9.
同時にスリット２から供給される溶融金属は、ノズル本
体ｌの下端に設けた導路４により下流側に導びかれ、空
間に充満するので、溶融金属の不足を来たすことなく、
また圧力が変化することもないので、厚さの一定なかつ
均質な急冷金属薄帯を製造することができる。At the same time, the molten metal supplied from the slit 2 is guided downstream by the conduit 4 provided at the lower end of the nozzle body l and fills the space, so that there is no shortage of molten metal.
Furthermore, since the pressure does not change, a uniform rapidly cooled metal ribbon with a constant thickness can be produced.
（実施例）
第１図に示すノズルを用いて幅４０咽のアルミニウム合
金急冷薄帯を製造した。このときのノズルの諸元は、ス
リット幅０．６１ｍ 、導路の長さ４０箇、導路と移動
冷却体との距離を０．６〜Ｏ，１５ｍ、スリットの後端
と移動冷却体との距離０．１ｍとした。また移動冷却体
としては銅製ロールを用いた。(Example) A rapidly solidified aluminum alloy ribbon having a width of 40 mm was manufactured using the nozzle shown in FIG. The specifications of the nozzle at this time were: slit width 0.61 m, length of the guide path 40 points, distance between the guide path and the moving cooling body 0.6 to 15 m, and a distance between the rear end of the slit and the moving cooling body. The distance was set to 0.1 m. Moreover, a copper roll was used as a moving cooling body.
なおその移動速度（ロール周速）は１５ｍ／Ｓ とし
た。The moving speed (roll circumferential speed) was 15 m/s.
得られた薄帯の形状の良否を示すために、厚さの分布を
第３図に示す。比較のために従来のノズル（スリット幅
０．６ ｍｍ ）を用い、ノズル底面と移動冷却体との
距離をＯ，１５ｍ（このノズルに対する最適値）、移動
冷却体の移動速度１５ ｍ ／ Ｂ として、上記の
場合と同一組成のアルミニウム合金急冷薄帯を製造した
結果（板厚の分布）を第４図に示す。In order to show the quality of the shape of the obtained ribbon, the thickness distribution is shown in FIG. For comparison, a conventional nozzle (slit width 0.6 mm) is used, the distance between the bottom of the nozzle and the moving cooling body is O, 15 m (optimal value for this nozzle), and the moving speed of the moving cooling body is 15 m/B. Figure 4 shows the results (distribution of plate thickness) of producing a rapidly solidified aluminum alloy ribbon having the same composition as in the above case.
両者を比較すると明らかなように、従来法により製造さ
れた薄帯の厚さは、４０〜１４０μｍ程度の大幅なバラ
ツキがあるのに対し、本発明方法により製造された薄帯
の厚さのバラツキは、±ｌＯμｍ （標準偏差σ）と、
極めて優れている。As is clear from comparing the two, the thickness of the ribbon manufactured by the conventional method has a large variation of about 40 to 140 μm, whereas the thickness of the ribbon manufactured by the method of the present invention has a large variation. is ±lOμm (standard deviation σ),
Extremely good.
（発明の効果）
以上説明したように、本発明によれば溶融金属は、移動
冷却体上の急冷凝固域に過不足なく常に一定量供給され
、しかも供給された溶融金属が凝固途上の凝固殻を加圧
するので、板厚が一定でかつ均質の急冷金属薄帯を製造
することができ、従って製造された薄帯を種々の用途に
適用でき、その効果は極めて大きい。(Effects of the Invention) As explained above, according to the present invention, a constant amount of molten metal is always supplied to the rapidly solidifying zone on the moving cooling body, and the supplied molten metal is in the solidified shell that is in the process of solidifying. By applying pressure, it is possible to produce a quenched metal ribbon with a constant plate thickness and uniformity. Therefore, the produced ribbon can be applied to various uses, and its effects are extremely large.
第１図は本発明に使用するノズルの要部の構成を示す説
明図、第２図は従来法に使用されるノズルの要部の構成
を示す説明図、第３図は本発明により得られた急冷金属
薄帯の板厚の分布を示すグラフ、第４図は従来法により
得られた急冷金属薄帯の板厚の分布を示すグラフである
。
１：ノズル本体 ２ニスリット
３：移動冷却体 ４：導路
５：先端部 ６：スリツト後端部７：溶融金
属 ８：急冷薄帯
９：凝固殻 ２０：ノズル本体２１：パドル
代理人 弁理士 茶野木 立 夫
第１図
第２図
４θ ６θ ８θ ／θθ ／２θ ／４θ ／乙θ厚
さくスｍ）
第４図
厚ｔ（、ｔｔｍ）FIG. 1 is an explanatory diagram showing the configuration of the main part of the nozzle used in the present invention, FIG. 2 is an explanatory diagram showing the configuration of the main part of the nozzle used in the conventional method, and FIG. FIG. 4 is a graph showing the thickness distribution of the quenched metal ribbon obtained by the conventional method. 1: Nozzle body 2 Nislit 3: Moving cooling body 4: Guide path 5: Tip 6: Slit rear end 7: Molten metal 8: Quenched ribbon 9: Solidified shell 20: Nozzle body 21: Paddle agent Patent attorney Brown Tatsuo Nogi Figure 1 Figure 2 4θ 6θ 8θ /θθ /2θ /4θ /Otsuθ Thickness m) Figure 4 Thickness t (, ttm)
Claims (1)
せる急冷金属薄帯製造法において、移動冷却体の移動方
向に並行して、ノズル底部に溶融金属の移動を可能にす
る導路を設け、凝固途上の凝固殻上に溶融金属を加圧供
給するとともに、加圧された溶融金属を保持することを
特徴とする急冷金属薄帯製造法。 ２ 溶融金属を移動冷却体上に流出するスリットを設け
、かつその先端の下流側に、薄帯の凝固域に並行して導
路を設けたことを特徴とする急冷金属薄帯製造用ノズル
。[Scope of Claims] 1. In a method for manufacturing quenched metal ribbon in which molten metal is poured onto a moving cooling body and rapidly solidified, the molten metal can be moved to the bottom of the nozzle in parallel to the moving direction of the moving cooling body. A method for producing rapidly cooled metal ribbon, characterized by providing a conduit to supply molten metal under pressure onto a solidified shell in the process of solidification, and holding the pressurized molten metal. 2. A nozzle for producing rapidly cooled metal ribbon, characterized in that a slit is provided through which molten metal flows onto a moving cooling body, and a guide path is provided downstream of the tip thereof in parallel with the solidification zone of the ribbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2724286A JPS62183944A (en) | 1986-02-10 | 1986-02-10 | Production of rapid cooling foil metal and its nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2724286A JPS62183944A (en) | 1986-02-10 | 1986-02-10 | Production of rapid cooling foil metal and its nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183944A true JPS62183944A (en) | 1987-08-12 |
| JPH0454540B2 JPH0454540B2 (en) | 1992-08-31 |
Family
ID=12215608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2724286A Granted JPS62183944A (en) | 1986-02-10 | 1986-02-10 | Production of rapid cooling foil metal and its nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183944A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015048813A1 (en) * | 2013-09-30 | 2015-04-02 | Glassimetal Technology, Inc. | Production of metallic glass by melt deposition |
| US10166740B2 (en) | 2014-07-24 | 2019-01-01 | Glassimetal Technology, Inc. | Methods of forming metallic glass multilayers |
| US10589349B2 (en) | 2015-03-30 | 2020-03-17 | Glassimetal Technology, Inc. | Production of metallic glass objects by melt deposition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58116957A (en) * | 1981-12-31 | 1983-07-12 | エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド | Discharging crucible for meltage |
-
1986
- 1986-02-10 JP JP2724286A patent/JPS62183944A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58116957A (en) * | 1981-12-31 | 1983-07-12 | エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド | Discharging crucible for meltage |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015048813A1 (en) * | 2013-09-30 | 2015-04-02 | Glassimetal Technology, Inc. | Production of metallic glass by melt deposition |
| US9963763B2 (en) | 2013-09-30 | 2018-05-08 | Glassimetal Technology, Inc. | Production of metallic glass by melt deposition |
| US10166740B2 (en) | 2014-07-24 | 2019-01-01 | Glassimetal Technology, Inc. | Methods of forming metallic glass multilayers |
| US10589349B2 (en) | 2015-03-30 | 2020-03-17 | Glassimetal Technology, Inc. | Production of metallic glass objects by melt deposition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454540B2 (en) | 1992-08-31 |
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