WO2004028724A1 - Procede et appareil pour produire un film d'alliage amorphe et film d'alliage amorphe ainsi produit - Google Patents

Procede et appareil pour produire un film d'alliage amorphe et film d'alliage amorphe ainsi produit Download PDF

Info

Publication number
WO2004028724A1
WO2004028724A1 PCT/KR2003/001966 KR0301966W WO2004028724A1 WO 2004028724 A1 WO2004028724 A1 WO 2004028724A1 KR 0301966 W KR0301966 W KR 0301966W WO 2004028724 A1 WO2004028724 A1 WO 2004028724A1
Authority
WO
WIPO (PCT)
Prior art keywords
melt
rolls
amorphous alloy
alloy sheet
cooling
Prior art date
Application number
PCT/KR2003/001966
Other languages
English (en)
Inventor
Jung-Gu Lee
Sung-Soo Park
Dong-Geun Lee
Nack-Joon Kim
Young-Soo Park
Sunghak Lee
Chang-Kyu Kim
Han-Sang Lee
Original Assignee
Postech Foundation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Postech Foundation filed Critical Postech Foundation
Priority to US10/529,291 priority Critical patent/US20060102315A1/en
Priority to EP03798588A priority patent/EP1545814B1/fr
Priority to JP2004539634A priority patent/JP2006500219A/ja
Publication of WO2004028724A1 publication Critical patent/WO2004028724A1/fr
Priority to HK06104575A priority patent/HK1083326A1/xx

Links

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
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel
    • 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
    • B22D11/0697—Accessories therefor for casting in a protected atmosphere
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/112—Treating the molten metal by accelerated cooling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/001—Amorphous alloys with Cu as the major constituent

Definitions

  • the present invention relates to a method for producing an amorphous or noncrystalline alloy, and more particularly, to a method for producing a bulk amorphous alloy sheet.
  • An amorphous alloy is a material that has a liquid phase-like microstructure with no crystallinity due to disordered arrangement of atoms, and contains no crystalline imperfections such as grain boundary and dislocation, unlike a conventional crystalline alloy. Therefore, an amorphous alloy is a significantly improved material in terms of mechanical properties such as strength, magnetic properties, corrosion resistance, and the like.
  • a melt spinning process is another conventional method for the amorphous alloy production.
  • this process is intended for production of an amorphous alloy material in the form of an ultra-thin strip of about 0.05 mm or less in thickness, it is not suitable for production of a bulk amorphous alloy sheet.
  • a strip casting process is a process that produces a metal material into a sheet form. This process has advantages such as equipment investment cost reduction, low energy consumption, and high proportion of products relative to raw materials.
  • a conventional strip casting process is not suitable for production of an amorphous alloy sheet, and thus, no reports have been made on examples of use of a conventional strip casting process for production of an amorphous alloy sheet. Even probabilities that a conventional strip casting process may be used in production of an amorphous alloy sheet have been denied.
  • the present invention provides a method for producing a bulk amorphous alloy sheet with high quality at low production cost, by which an alloy melt can be directly transformed into a sheet form without using other additional processes.
  • the present invention also provides an apparatus for producing a bulk amorphous alloy sheet with high quality at low production cost, and a bulk amorphous alloy sheet.
  • FIG. 1 is a diagram of a method for producing an amorphous alloy sheet according to the present invention
  • FIG. 2 is a schematic view of an apparatus for producing an amorphous alloy sheet according to an embodiment of the present invention
  • FIG. 3 is a diagram showing transformation of an amorphous alloy melt into a sheet form that is carried out in two rolls of the apparatus of FIG. 2;
  • FIG. 4 is a diagram showing adjustment of a gap between two rolls in the apparatus of FIG. 2;
  • FIG. 5 is a diagram showing an example of an arrangement structure of two rolls in the apparatus of FIG. 2 according to an angle defined by the horizontal and a straight line connecting the respective rotation centers of the two rolls;
  • FIG. 6 is an X-ray diffraction pattern of an amorphous alloy sheet produced according to Example of the present invention.
  • FIG. 7 is an optical microphotograph of the microstructure of an amorphous alloy sheet produced according to Example of the present invention.
  • a method for producing an amorphous alloy sheet according to the present invention comprises: preparing a melt containing alloy components; feeding the melt into a gap defined between two rolls, which rotate in opposite direction to each other, and each of which is provided with heat exchange means; and cooling the melt at a cooling rate higher than the critical cooling rate for transformation of the melt into an amorphous solid phase when the melt passes through the gap defined between the two rolls.
  • An apparatus for producing an amorphous alloy sheet according to the present invention comprises: a crucible for receiving a melt containing alloy components, which is provided with a melt outlet; two rolls, each of which is provided with heat exchange means to cool the melt at a cooling rate higher than the critical cooling rate for transformation of the melt into an amorphous solid phase when the melt passes through a gap defined between the two rolls; and a connecting channel for passing the melt from the melt outlet of the crucible to the gap defined between the two rolls.
  • FIG. 1 schematically shows a method for producing an amorphous alloy sheet according to the present invention.
  • the step of preparing a melt can be carried out, for example, using a melting furnace which is provided with heating means suitable for melting alloy components and with a sealable crucible.
  • the heating means provided in the melting furnace can be operated in a heating manner such as resistance heating, arc heating, induction heating, infrared heating, e-beam heating, and laser heating, but is not limited thereto.
  • the step of preparing a melt can be carried out in an inert or non-inert atmosphere.
  • non-crystallization requires an inert atmosphere.
  • an inert atmosphere can be accomplished by feeding an inert gas into the melting furnace.
  • an inert gas to be used herein include helium, neon, argon, krypton, xenon, radon, nitrogen, or a mixture thereof.
  • an inert atmosphere can be accomplished by maintaining the sealable crucible in a vacuum state.
  • the step of preparing a melt can also be carried out in other specific atmospheres required for specific alloys.
  • gases required for formation of such specific atmospheres are fed into the crucible.
  • a melt thus prepared is fed into a gap defined between the two rolls, which rotate in opposite direction to each other, and each of which is provided with heat exchange means.
  • the melting furnace can have a melt nozzle, which is located to be near the two rolls. The melt is fed into the gap defined between the two rolls through the melt nozzle.
  • the melt fed into the gap defined between the two rolls is cooled at a cooling rate higher than the critical cooling rate for transformation of the melt into an amorphous phase.
  • the two rolls may be made of a material with good heat conductivity and may be provided with heat exchange means.
  • a copper-based alloy material can be used as a good heat conductive material for the two rolls, but is not limited thereto.
  • the heat exchange means to be installed in the two rolls may be, for example, a circuit for flow of a cooling fluid, but is not limited thereto.
  • the cooling fluid may be cooling water or cooling oil. There are no particular limitations on the diameter and rotation rate of the two rolls.
  • a linear velocity at the circumferences of the two rolls may be in the range of about 1 to 10 cm/sec.
  • the gap between the two rolls may be in the range of about 0.5 to 20 mm.
  • the gap between the two rolls may also be less than about 0.5 mm or more than about 20 mm.
  • the width of the rolls can be appropriately determined depending on the maximum width of a desired sheet.
  • the critical cooling rate for amorphous phase formation varies depending on types of alloys.
  • An appropriate cooling rate for a specific alloy can be realized by adjusting the circulation rate of a cooling fluid, the rotation rate of the two rolls, the gap between the two rolls, the temperature of the melt, etc.
  • the melt is cast into an amorphous alloy sheet by the above-described rapid cooling and then removed away from the rolls. Due to rolling effect by the two rolls, generation of cracks and air gaps is prevented, which was identified by X-ray diffraction and microscope image analysis results.
  • melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • melt temperature of the melt to be fed into the gap defined between the two rolls is too low, melt feeding is not smoothly carried out, and thus, it is difficult to produce a sheet.
  • the melt is not sufficiently cooled even using the two rolls and the heat exchange means, and thus, it is difficult to produce an amorphous sheet.
  • the surface temperature of the two rolls is too low, the melt is not cooled by a uniform proportion, and thus, the loading of the melt is not smoothly carried out. Furthermore, cracks may be caused in edges of a formed sheet.
  • it is too high it is difficult to obtain a cooling rate
  • the temperature of the melt to be fed into the gap defined between the two rolls may be set to a range of about 500 to 1 ,500 ° C, the surface temperature of the two rolls a range of about 15 to 30 ° C, the rotation rate of the two rolls a range of about 1 to 10 cm/sec, and the gap between the two rolls a range of about 0.5 to 20 mm.
  • the method of the present invention can be applied to all types of alloys capable of being transformed into an amorphous phase, in addition to the above copper-based alloy.
  • the apparatus can be efficiently used in production of an amorphous alloy sheet according to the above-described method.
  • An apparatus for producing an amorphous alloy sheet according to the present invention comprises: a crucible for receiving a melt containing alloy components and provided with a melt outlet; two rolls, each of which is provided with heat exchange means to cool the melt at a cooling rate higher than the critical cooling rate for transformation of the melt into an amorphous solid phase when the melt passes through a gap defined between the two rolls; and a connecting channel for passing the melt from the melt outlet of the crucible to the gap defined between the two rolls.
  • FIG. 2 schematically shows an apparatus for producing an amorphous alloy sheet comprising a crucible 10, a connecting channel 20, and two rolls 30, according to an embodiment of the present invention.
  • the crucible 10 may be a melting crucible that can control an atmosphere therein. As shown in FIG. 2, the crucible 10 receives a melt containing alloy components and is provided with a melt outlet 18. The crucible 10 also comprises a gas supply unit 16 for controlling an atmosphere in the crucible 10 and a heating unit 14 for melting alloy components to prepare the melt and maintaining the temperature of the prepared melt.
  • the crucible 10 may further comprise a stopper 12 that can open and shut the melt outlet 18 to control the release of the melt.
  • the connecting channel 20 may comprise a heating unit 22 that can maintain the temperature of the melt in the connecting channel 20 while the melt flows from the crucible 10 to the gap defined between the rolls 30.
  • the connecting channel 20 may further comprise a gas supply unit 24 that can control an atmosphere in the connecting channel 20.
  • the two rolls 30 may be made of a copper-based alloy containing material. However, since there are no particular limitations on a material for the two rolls, the two rolls may also be made of other types of materials with good heat conductivity.
  • Each of the two rolls 30 may comprise a circuit 32 for flow of a cooling fluid as the heat exchange means.
  • the cooling fluid may be cooling water or cooling oil.
  • FIG. 3 is a detailed view of the two rolls of FIG. 2 and schematically shows transformation of the melt into a solid sheet by cooling when the melt passes through the gap defined between the two rolls.
  • An alloy melt which can be transformed into an amorphous phase, is fed into the gap defined between the two rolls 30 in rotation, then the melt is cooled while being in contact with the two rolls 30 and cast into a solid sheet. The sheet thus obtained is removed away from the two rolls 30 by rotation of the two rolls 30.
  • the two rolls 30 is cooled by the heat exchange means.
  • the alloy melt is strongly pressed by the two rolls 30 to cast into an amorphous alloy sheet and then is removed away from the two rolls 30. If the gap between the two rolls is too small, it is difficult to produce a bulk amorphous alloy sheet. Furthermore, due to excess feeding of the melt, other process factors may be adversely affected. At the same time, cracks may be formed at the edges of a formed sheet. On the other hand, if it is too large, a cooling rate above the critical cooling rate cannot be realized in a center portion of a sheet. As a result, it is difficult to obtain a uniform, high quality amorphous alloy sheet.
  • the gap between the two rolls 30 may be in the range of about 0.5 to 20 mm.
  • the two rolls may be installed to be spaced apart at a predetermined distance from each other, or may be installed in such a way that the gap between the two rolls can be adjusted when needed.
  • FIG. 4 schematically shows adjustment of a gap between the two rolls.
  • FIG. 5 schematically shows the structure of the two rolls arranged in such a manner that an angle defined by the horizontal and a straight line connecting the respective rotation centers of the two rolls, is in the range of 0 to 90 degrees.
  • the angle may vary depending on characteristics of a melt such as fluidity. For example, if the fluidity of a melt is high, the two rolls can be vertically installed (i.e., the angle is 90 degrees) to smoothly carry out horizontal supply of a melt and release of a sheet. On the other hand, if the fluidity of a melt is insufficient, the two rolls can be horizontally installed (i.e., the angle is 0 degrees) to smoothly carry out vertical supply of a melt by gravity and release of a sheet.
  • the two rolls may be installed at a fixed angle selected from the angle of 0 to 90 degrees or may be installed in such a way that the angle can be adjusted in the range.
  • the two rolls may be installed in such a way to be operated at a rotation rate of about 1 to 10 cm/sec. To this, the two rolls may be connected to conventional driving means (not shown).
  • driving means not shown
  • a bulk amorphous alloy sheet according to the present invention is either a bulk alloy material that consists of fully amorphous phase or a bulk alloy material that consists of composite containing amorphous and crystalline phases.
  • amorphous alloy sheet indicates that an amorphous alloy of the present invention is processed into a material which has structural continuity and a relatively large two- or three-dimensional dimension, not into a thin film (of 100 ⁇ m or less in thickness, for example) dimension.
  • an amorphous alloy sheet of the present invention may have a thickness of about 0.5 to 20 mm, but is not limited thereto.
  • width, length, and shape of an amorphous alloy sheet of the present invention can be used for various purposes.
  • the bulk amorphous alloy sheet according to the present invention can be produced by the above-mentioned method according to the present invention.
  • the bulk amorphous alloy sheet according to the present invention may consist of composite containing amorphous and crystalline phases.
  • the volume or weight ratio of amorphous phase to crystalline phase in the composite can be controlled by varying the process conditions in the above-mentioned method according to the present invention.
  • the bulk amorphous alloy sheet according to the present invention may typically contain an amorphous phase of about 90% by volume or more, preferably about 96% by volume or more.
  • amorphous alloy sheets containing an amorphous phase of at least about 96% by volume, even about 100% by volume were obtained.
  • an amorphous alloy sheet of the present invention may contain an amorphous phase of about 96.0% by volume to about 99.9% by volume.
  • the bulk amorphous alloy sheet according to the present invention may also contain amorphous phase of about 90% by volume or less.
  • alloy compositions to be used in a method and an apparatus for producing an amorphous alloy sheet of the present invention and an amorphous alloy sheet produced by the method and apparatus.
  • amorphous alloy compositions such as Cu 4 Ti 3 ZrnNi 8 [S. C. Glade, W.
  • Example a copper-based alloy with its chemical composition presented in Table 1 was used as a mother alloy.
  • An apparatus shown in FIG. 2 was used.
  • 3 kg of a copper-based mother alloy was loaded into a high purity graphite crucible and then maintained at a temperature of about 1 ,400 ° C for about 60 minutes to be completely melted into a liquid phase.
  • a copper-based mother alloy melt thus obtained was discharged while being maintained at a temperature of about 1 ,200 ° C , and then transferred into an inlet between rolling rolls of the strip casing apparatus.
  • the rotation rate, surface temperature, and gap of the rolling rolls were about 2.0 cm/sec, about 20 ° C , and about 2 mm, respectively. Under these process conditions, amorphous alloy sheets of 1 m in length, 10 cm in width, and 2 mm in thickness were prepared.
  • the non-crystallinity of the copper-based amorphous alloy sheets thus prepared was determined by X-ray diffraction analysis and the result is presented in FIG. 6. As shown in FIG. 6, the amorphous alloy sheets obtained in Example were in an amorphous phase that contained the small volume fraction of a crystalline phase.
  • the cross-sections of the copper-based amorphous alloy sheets obtained in Example were subjected to an optical microscope image analysis and the resultant cross-sectional microphotograph is presented in FIG. 7. As shown in FIG. 7, no air gaps or cracks that may be caused by solidification and contraction of a melt were observed in the alloy sheets obtained in Example. In addition, the amount of an amorphous phase in the amorphous alloy sheets was evaluated. According to the evaluation result, the alloy sheets obtained in Example contained an amorphous phase of about 96% by volume or more. Therefore, it was demonstrated that the alloy sheets obtained in Example are excellent amorphous alloy sheets.
  • a method and an apparatus for producing an amorphous alloy sheet according to the present invention is used in production of an amorphous alloy sheet of high quality, in which the generation of air gaps and cracks is remarkably reduced.
  • an amorphous alloy sheet can be directly prepared from a melt without using a separate process. Therefore, the amorphous alloy sheet, which has very high industrial applicability, can be produced in large scale and at very low cost. Consequently, the application range of an amorphous alloy can be economically extended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Continuous Casting (AREA)

Abstract

La présente invention concerne un procédé pour produire un film d'alliage amorphe en vrac qui présente une grande qualité et est économique à produire. Selon cette invention, une masse fondue d'alliage peut être transformée directement sous forme de film, sans mettre en oeuvre d'autres processus supplémentaires. Ce procédé consiste à préparer une masse fondue contenant des composants d'alliage, à introduire cette masse fondue dans une fente définie entre deux rouleaux qui tournent en sens inverse et qui sont respectivement équipés de systèmes d'échange de chaleur, puis à refroidir la masse fondue à une vitesse de refroidissement supérieure à la vitesse de refroidissement critique pour transformer la masse fondue en phase solide amorphe, lorsque la masse fondue passe à travers la fente définie entre les deux rouleaux. La présente invention concerne également un appareil pour produire un film d'alliage amorphe en vrac qui présente une grande qualité et est économique à produire, ainsi qu'un film d'alliage amorphe en vrac.
PCT/KR2003/001966 2002-09-27 2003-09-26 Procede et appareil pour produire un film d'alliage amorphe et film d'alliage amorphe ainsi produit WO2004028724A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/529,291 US20060102315A1 (en) 2002-09-27 2003-09-26 Method and apparatus for producing amorphous alloy sheet, and amorphous alloy sheet produced using the same
EP03798588A EP1545814B1 (fr) 2002-09-27 2003-09-26 Procede et appareil pour produire un film d'alliage amorphe et film d'alliage amorphe ainsi produit
JP2004539634A JP2006500219A (ja) 2002-09-27 2003-09-26 非晶質合金板材の製造方法とその装置、及びそれを利用して製造された非晶質合金板材
HK06104575A HK1083326A1 (en) 2002-09-27 2006-04-13 Method for producing amorphous lloy sheet and amorphous alloy sheet produced using the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2002-0058764 2002-09-27
KR20020058764 2002-09-27
KR10-2003-0058337 2003-08-22
KR20030058337 2003-08-22

Publications (1)

Publication Number Publication Date
WO2004028724A1 true WO2004028724A1 (fr) 2004-04-08

Family

ID=36384969

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2003/001966 WO2004028724A1 (fr) 2002-09-27 2003-09-26 Procede et appareil pour produire un film d'alliage amorphe et film d'alliage amorphe ainsi produit

Country Status (6)

Country Link
US (1) US20060102315A1 (fr)
EP (1) EP1545814B1 (fr)
JP (1) JP2006500219A (fr)
KR (1) KR100528962B1 (fr)
HK (1) HK1083326A1 (fr)
WO (1) WO2004028724A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701027B1 (ko) * 2005-04-19 2007-03-29 연세대학교 산학협력단 연성이 우수한 단일상 비정질 합금
KR100660223B1 (ko) * 2005-12-24 2006-12-21 주식회사 포스코 벌크 비정질 금속판재의 제조장치 및 그 제조방법
US8613814B2 (en) 2008-03-21 2013-12-24 California Institute Of Technology Forming of metallic glass by rapid capacitor discharge forging
CN101977855B (zh) 2008-03-21 2015-07-29 加利福尼亚技术学院 通过快速电容器放电形成金属玻璃
US8613816B2 (en) 2008-03-21 2013-12-24 California Institute Of Technology Forming of ferromagnetic metallic glass by rapid capacitor discharge
JP5619987B2 (ja) 2010-04-08 2014-11-05 カリフォルニア インスティチュート オブテクノロジー コンデンサ放電と磁界を使用した電磁式金属ガラス形成
CN103269813B (zh) * 2010-10-18 2015-07-29 卡斯特里普公司 双辊连铸机
EP2655681A4 (fr) 2010-12-23 2015-03-04 California Inst Of Techn Façonnage d'une feuille en verre métallique par décharge rapide d'un condensateur
CN103443321B (zh) 2011-02-16 2015-09-30 加利福尼亚技术学院 通过快速电容器放电进行的金属玻璃的注射成型
US9393612B2 (en) 2012-11-15 2016-07-19 Glassimetal Technology, Inc. Automated rapid discharge forming of metallic glasses
EP2759614B1 (fr) 2013-01-25 2019-01-02 ThyssenKrupp Steel Europe AG Procédé destiné à générer un produit plat en acier avec une structure cristalline fine, partiellement amorphe ou amorphe et produit plat en acier conçu de la sorte
US9845523B2 (en) 2013-03-15 2017-12-19 Glassimetal Technology, Inc. Methods for shaping high aspect ratio articles from metallic glass alloys using rapid capacitive discharge and metallic glass feedstock for use in such methods
US10273568B2 (en) 2013-09-30 2019-04-30 Glassimetal Technology, Inc. Cellulosic and synthetic polymeric feedstock barrel for use in rapid discharge forming of metallic glasses
CN104630661B (zh) 2013-10-03 2017-04-26 格拉斯金属技术股份有限公司 用于金属玻璃的快速放电形成的涂覆有绝缘膜的进料桶
WO2015134089A2 (fr) * 2013-12-20 2015-09-11 Yale University Procédé et système de fabrication de feuilles en verre métallique en vrac
US10029304B2 (en) 2014-06-18 2018-07-24 Glassimetal Technology, Inc. Rapid discharge heating and forming of metallic glasses using separate heating and forming feedstock chambers
US10022779B2 (en) 2014-07-08 2018-07-17 Glassimetal Technology, Inc. Mechanically tuned rapid discharge forming of metallic glasses
US10682694B2 (en) 2016-01-14 2020-06-16 Glassimetal Technology, Inc. Feedback-assisted rapid discharge heating and forming of metallic glasses
US10632529B2 (en) 2016-09-06 2020-04-28 Glassimetal Technology, Inc. Durable electrodes for rapid discharge heating and forming of metallic glasses
EP3444370B1 (fr) * 2017-08-18 2022-03-09 Heraeus Deutschland GmbH & Co. KG Alliage à base de cuivre destiné à la fabrication de verres métalliques solidifiés
CN109865808B (zh) * 2019-04-08 2020-09-25 东北大学 一种厚度为200～1500μm宽幅非晶薄带水平连铸的方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161564A (en) * 1978-06-12 1979-12-21 Nippon Telegr & Teleph Corp <Ntt> Cooled rolling mill for manufacturing amorphous material
JPS57112954A (en) * 1980-12-01 1982-07-14 Hitachi Ltd Producing device for alloy sheet
JPS57187149A (en) * 1981-05-14 1982-11-17 Hitachi Metals Ltd Roll for production of amorphous metal
US4428416A (en) * 1979-04-20 1984-01-31 Tokyo Shibaura Denki Kabushiki Kaisha Method of manufacturing a multi-layer amorphous alloy
US4721154A (en) * 1986-03-14 1988-01-26 Sulzer-Escher Wyss Ag Method of, and apparatus for, the continuous casting of rapidly solidifying material
US20020050335A1 (en) * 2000-10-31 2002-05-02 Korea Atomic Energy Research Fabrication process of uranium foil having fine grains solidified rapidly from melt using cooling roll, and the fabrication apparatus
US20030056933A1 (en) * 1999-08-11 2003-03-27 Akira Arai Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881541A (en) * 1973-10-25 1975-05-06 Allied Chem Continuous casting of narrow filament between rotary chill surfaces
JPS6038225B2 (ja) * 1977-09-12 1985-08-30 ソニー株式会社 非晶質合金の製造方法
DE3503164A1 (de) * 1985-01-31 1986-08-14 Herbert Kannegiesser Gmbh + Co, 4973 Vlotho Verfahren und vorrichtung zum verkleben flaechenfoermiger textilstuecke
US6887586B2 (en) * 2001-03-07 2005-05-03 Liquidmetal Technologies Sharp-edged cutting tools
US7575040B2 (en) * 2003-04-14 2009-08-18 Liquidmetal Technologies, Inc. Continuous casting of bulk solidifying amorphous alloys

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161564A (en) * 1978-06-12 1979-12-21 Nippon Telegr & Teleph Corp <Ntt> Cooled rolling mill for manufacturing amorphous material
US4428416A (en) * 1979-04-20 1984-01-31 Tokyo Shibaura Denki Kabushiki Kaisha Method of manufacturing a multi-layer amorphous alloy
JPS57112954A (en) * 1980-12-01 1982-07-14 Hitachi Ltd Producing device for alloy sheet
JPS57187149A (en) * 1981-05-14 1982-11-17 Hitachi Metals Ltd Roll for production of amorphous metal
US4721154A (en) * 1986-03-14 1988-01-26 Sulzer-Escher Wyss Ag Method of, and apparatus for, the continuous casting of rapidly solidifying material
US20030056933A1 (en) * 1999-08-11 2003-03-27 Akira Arai Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet
US20020050335A1 (en) * 2000-10-31 2002-05-02 Korea Atomic Energy Research Fabrication process of uranium foil having fine grains solidified rapidly from melt using cooling roll, and the fabrication apparatus

Also Published As

Publication number Publication date
HK1083326A1 (en) 2006-06-30
KR100528962B1 (ko) 2005-11-15
EP1545814A4 (fr) 2006-05-24
EP1545814B1 (fr) 2012-09-12
KR20040027464A (ko) 2004-04-01
EP1545814A1 (fr) 2005-06-29
US20060102315A1 (en) 2006-05-18
JP2006500219A (ja) 2006-01-05

Similar Documents

Publication Publication Date Title
EP1545814B1 (fr) Procede et appareil pour produire un film d&#39;alliage amorphe et film d&#39;alliage amorphe ainsi produit
KR102203018B1 (ko) 무정형, 부분 무정형, 또는 미세 결정형 조직을 보유하는 평강 제품의 제조 방법, 및 상응하는 유형의 평강 제품
Li et al. Effects of different external fields on the microstructure and mechanical properties of novel AlCuLi alloy during twin-roll casting
Munitz et al. Supercooling effects in Cu-10 Wt Pct Co alloys solidified at different cooling rates
JPS6356297B2 (fr)
US5400851A (en) Process of producing monotectic alloys
JP4048568B2 (ja) 希土類磁石用合金の製造方法
JPH07238336A (ja) 高強度アルミニウム基合金
Dai et al. Formation and properties of a self-assembled Cu-Fe-Ni-Cr-Si immiscible composite by laser induction hybrid cladding
JP2639609B2 (ja) 永久磁石用合金鋳塊及びその製造法
US5028277A (en) Continuous thin sheet of TiAl intermetallic compound and process for producing same
Yamamoto et al. Precipitation of the ZrCu B2 phase in Zr50Cu50–xAlx (x= 0, 4, 6) metallic glasses by rapidly heating and cooling
JPS62133037A (ja) 結晶微細化用合金およびその製造法
Harada et al. Mechanical properties of cold-rolled and annealed Al–12% Mg alloy sheet with high Mg solid solubility fabricated from vertical-type high-speed twin-roll cast strip
Nayak et al. Structure of nanocomposites of Al-Fe alloys prepared by mechanical alloying and rapid solidification processing
CN1327990C (zh) 用于生产非晶质合金板的方法以及使用该方法生产的非晶质合金板
Soda et al. Development of net-shape cast aluminium-yttrium alloy wires and their solidification structures
JP3731041B2 (ja) 高耐食性マグネシウム合金および高耐食性マグネシウム材料の作製方法
JP2000234137A (ja) ナノコンポジット磁石用原料合金、その粉末および製造方法、ならびにナノコンポジット磁石粉末および磁石の製造方法
Lei et al. Fabrication of spherical Fe-based magnetic powders via the in situ de-wetting of the liquid–solid interface
TW200427852A (en) Copper-nickel-silicon two phase quench substrate
Shi et al. Study on segregation solidification and homogenization behavior of Cu–16Sn–0.3 Ti alloy powders
CN108070800B (zh) 一种Ti基非晶合金复合材料及其制备方法
Birol et al. Intermetallic particles in a strip-cast Al-Fe-Mn-Si alloy
WO2021132272A1 (fr) Alliage

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CN JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2004539634

Country of ref document: JP

ENP Entry into the national phase

Ref document number: 2006102315

Country of ref document: US

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 10529291

Country of ref document: US

Ref document number: 20038228343

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2003798588

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2003798588

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 10529291

Country of ref document: US