JP2020521637A5 - - Google Patents
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- JP2020521637A5 JP2020521637A5 JP2019564943A JP2019564943A JP2020521637A5 JP 2020521637 A5 JP2020521637 A5 JP 2020521637A5 JP 2019564943 A JP2019564943 A JP 2019564943A JP 2019564943 A JP2019564943 A JP 2019564943A JP 2020521637 A5 JP2020521637 A5 JP 2020521637A5
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- JP
- Japan
- Prior art keywords
- induction coil
- electromagnetic field
- electromagnetic
- less
- casting
- 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.)
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- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 230000005672 electromagnetic field Effects 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 14
- 238000007711 solidification Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 239000012466 permeate Substances 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000004048 modification Effects 0.000 description 5
- 238000006011 modification reaction Methods 0.000 description 5
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Description
好ましい実施形態を参照して例示の実施形態を説明した。明らかなこととして、先の詳細な説明を読んで理解すると、改造および変形が他者に想到されよう。例示の実施形態は、かかる全ての改造および変形が特許請求の範囲に記載された本発明の範囲またはその均等範囲に属する限り、かかる全ての変形および改造を含むものとして解されるべきである。
なお、好ましい構成態様として、本発明を次のように構成することもできる。
１．鋳造中の金属の電磁微細化方法であって、電磁閉じ込め場が溶融金属に対して凝固中に作用し、前記方法が、単相磁場を前記金属にかけるステップを含み、前記単相磁場は、前記金属の一方の側にのみ配置された低周波誘導コイルによってかけられる、方法。
２．前記低周波は、０．１〜１２０Ｈｚである、上記１記載の方法。
３．前記低周波は、準正弦波（quasi-sinusoidal）である、上記２記載の方法。
４．前記低周波は、パルスＤＣである、上記１記載の方法。
５．前記誘導コイルは、関連の前記電磁場が前記鋳物の全ての区分に浸透して該区分中に電流を誘起するよう形作られるとともに位置決めされている、上記１記載の方法。
６．前記電磁場は、２テスラ未満および６〜６０Ｈｚのうちの少なくとも一方を満たす、上記１記載の方法。
７．前記誘導コイルは、８００アンペア未満の電力で動作する、上記１記載の方法。
８．軽金属の電磁鋳造方法であって、電磁場が溶融金属に対して凝固中に作用し、前記電磁場は、誘導コイルによって提供され、前記誘導コイルは、前記凝固中、約２テスラ未満の電磁場をもたらす、方法。
９．印加される電流は、単相の交流電流である、上記８記載の方法。
１０．前記誘導コイルは、単層コイルまたは多層コイルである、上記８記載の方法。
１１．周波数および／または電力および／または電流は、凝固プロセス中に変更される、上記８記載の方法。
１２．印加される周波数は、０．１〜１２０Ｈｚ或いは２４０Ｈｚである、上記８記載の方法。
１３．前記誘導コイルは、関連の前記電磁場が加えられる最も低い周波数について最初の２つの浸透深さ内で前記鋳物の全ての区分中に浸透して該区分中に電流を誘起することができるよう形作られるとともに位置決めされている、上記８記載の方法。
１４．前記誘導コイルは、８００Ａ未満の電流で動作する、上記８記載の方法。
１５．凝固中の前記溶融金属の表面速度は、前記方法の少なくとも一部分の間、約０〜１２ｃｍ／ｓである、上記８記載の方法。
１６．前記方法は、連続鋳造法である、上記８記載の方法。
１７．鋳造中の前記軽金属は、合金から成り、前記電磁場は、前記凝固プロセス中、維持されるが弱められる、上記８記載の方法。
１８．前記電磁場は、少なくとも実質的に静止している、上記８記載の方法。
１９．前記電磁場は、正弦波または準正弦波である、上記８記載の方法。
２０．前記電磁場は、パルスＤＣである、上記８記載の方法。
２１．インバータが用いられる、上記８記載の方法。
２２．電磁場を生じさせるシステムに供給される電力は、鋳造中の前記金属の温度について１０％未満の増大分を生じさせる、上記８記載の方法。
２３．前記誘導コイルへの周波数は、凝固中、維持されるが低くされる、上記８記載の方法。
２４．前記誘導コイルへの電流は、凝固中、高くされる、上記８記載の方法。
An exemplary embodiment has been described with reference to preferred embodiments. Obviously, if you read and understand the detailed explanation above, modifications and transformations will come to your mind. Illustrative embodiments should be construed as including all such modifications and modifications, as long as all such modifications and modifications fall within the scope of the invention described in the claims or equivalents thereof.
In addition, as a preferable configuration mode, the present invention can also be configured as follows.
1. 1. A method of electromagnetically refining a metal during casting, wherein the electromagnetic confinement field acts on the molten metal during solidification, the method comprising applying a single-phase magnetic field to the metal, wherein the single-phase magnetic field is: A method of being applied by a low frequency induction coil located on only one side of the metal.
2. The method according to 1 above, wherein the low frequency is 0.1 to 120 Hz.
3. 3. 2. The method according to 2 above, wherein the low frequency is a quasi-sinusoidal.
4. The method according to 1 above, wherein the low frequency is a pulse DC.
5. The method according to 1 above, wherein the induction coil is shaped and positioned such that the relevant electromagnetic field penetrates all sections of the casting to induce an electric current in the section.
6. The method according to 1 above, wherein the electromagnetic field satisfies at least one of less than 2 tesla and 6-60 Hz.
7. The method according to 1 above, wherein the induction coil operates at a power of less than 800 amperes.
8. A method of electromagnetic casting of light metals, wherein the electromagnetic field acts on the molten metal during solidification, the electromagnetic field is provided by an induction coil, which provides an electromagnetic field of less than about 2 tesla during the solidification. Method.
9. 8. The method according to 8 above, wherein the applied current is a single-phase alternating current.
10. 8. The method according to 8 above, wherein the induction coil is a single-layer coil or a multi-layer coil.
11. 8. The method of 8 above, wherein the frequency and / or power and / or current is changed during the solidification process.
12. 8. The method according to 8 above, wherein the applied frequency is 0.1 to 120 Hz or 240 Hz.
13. The induction coil is shaped so that it can penetrate through all sections of the casting within the first two penetration depths for the lowest frequency to which the relevant electromagnetic field is applied and induce a current in the section. 8. The method according to 8 above, which is positioned together with.
14. 8. The method according to 8 above, wherein the induction coil operates at a current of less than 800 A.
15. 8. The method of 8 above, wherein the surface velocity of the molten metal during solidification is about 0-12 cm / s for at least a portion of the method.
16. The method according to 8 above, wherein the method is a continuous casting method.
17. 8. The method of 8 above, wherein the light metal during casting is made of an alloy and the electromagnetic field is maintained but weakened during the solidification process.
18. 8. The method of 8 above, wherein the electromagnetic field is at least substantially stationary.
19. 8. The method according to 8 above, wherein the electromagnetic field is a sine wave or a quasi-sine wave.
20. 8. The method according to 8 above, wherein the electromagnetic field is a pulse DC.
21. The method according to 8 above, wherein an inverter is used.
22. 8. The method of 8 above, wherein the power supplied to the system that creates the electromagnetic field produces an increase of less than 10% with respect to the temperature of the metal during casting.
23. 8. The method of 8 above, wherein the frequency to the induction coil is maintained but lowered during solidification.
24. 8. The method according to 8 above, wherein the current to the induction coil is increased during solidification.
Claims (9)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762510472P | 2017-05-24 | 2017-05-24 | |
| US62/510,472 | 2017-05-24 | ||
| PCT/US2018/034389 WO2018218022A1 (en) | 2017-05-24 | 2018-05-24 | Electromagnetic modified metal casting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020521637A JP2020521637A (en) | 2020-07-27 |
| JP2020521637A5 true JP2020521637A5 (en) | 2021-07-26 |
Family
ID=64397057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019564943A Pending JP2020521637A (en) | 2017-05-24 | 2018-05-24 | Electromagnetic metal casting method |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20210162491A1 (en) |
| EP (1) | EP3630388A4 (en) |
| JP (1) | JP2020521637A (en) |
| KR (1) | KR20200000848A (en) |
| CN (1) | CN110944769A (en) |
| CA (1) | CA3064757A1 (en) |
| RU (1) | RU2019141258A (en) |
| WO (1) | WO2018218022A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB910900A (en) * | 1958-11-24 | 1962-11-21 | Salzgitter Huettenwerk Ag | Improvements in or relating to the vacuum degassing of fluid metals |
| FR2530511B1 (en) * | 1982-07-23 | 1985-07-05 | Cegedur | PROCESS FOR CASTING METALS IN WHICH MAGNETIC FIELDS ARE OPERATED |
| SE470435B (en) * | 1992-08-07 | 1994-03-07 | Asea Brown Boveri | Methods and apparatus for stirring a metal melt |
| SE9503898D0 (en) * | 1995-11-06 | 1995-11-06 | Asea Brown Boveri | Methods and apparatus for casting metal |
| SE512692C2 (en) * | 1998-03-02 | 2000-05-02 | Abb Ab | Method and apparatus for continuous casting |
| CA2325808C (en) * | 2000-07-10 | 2010-01-26 | Kawasaki Steel Corporation | Method and apparatus for continuous casting of metals |
| CN1425519A (en) * | 2002-10-25 | 2003-06-25 | 东北大学 | Aluminium alloy low frequency electromagnetic oscillation semicontinuous casting crystal grain fining method and device |
| CN100357047C (en) * | 2005-11-25 | 2007-12-26 | 上海大学 | Apparatus for refining grain by electromagnetic oscillation of steel billet |
| CN101391291B (en) * | 2008-11-05 | 2010-12-08 | 江苏大学 | Metal matrix composition home-position synthesizing method in combined electric magnetic field |
| CN101391290B (en) * | 2008-11-05 | 2010-12-08 | 江苏大学 | Method for synthesizing metal matrix composition using metal reaction under the coupling action of magnetic field and ultrasonic field |
-
2018
- 2018-05-24 RU RU2019141258A patent/RU2019141258A/en not_active Application Discontinuation
- 2018-05-24 JP JP2019564943A patent/JP2020521637A/en active Pending
- 2018-05-24 US US16/616,648 patent/US20210162491A1/en not_active Abandoned
- 2018-05-24 WO PCT/US2018/034389 patent/WO2018218022A1/en unknown
- 2018-05-24 CN CN201880049580.XA patent/CN110944769A/en active Pending
- 2018-05-24 KR KR1020197037625A patent/KR20200000848A/en not_active Application Discontinuation
- 2018-05-24 CA CA3064757A patent/CA3064757A1/en active Pending
- 2018-05-24 EP EP18806563.5A patent/EP3630388A4/en not_active Withdrawn
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