EP0007282A1 - Procédé de fabrication de bandes composites par coulée continue et bandes ainsi obtenues - Google Patents

Procédé de fabrication de bandes composites par coulée continue et bandes ainsi obtenues Download PDF

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Publication number
EP0007282A1
EP0007282A1 EP79420028A EP79420028A EP0007282A1 EP 0007282 A1 EP0007282 A1 EP 0007282A1 EP 79420028 A EP79420028 A EP 79420028A EP 79420028 A EP79420028 A EP 79420028A EP 0007282 A1 EP0007282 A1 EP 0007282A1
Authority
EP
European Patent Office
Prior art keywords
aluminum
strip
plating
cylinders
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.)
Ceased
Application number
EP79420028A
Other languages
German (de)
English (en)
French (fr)
Inventor
Dominique Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manufacture Metallurgique de Tournus SA
Original Assignee
Manufacture Metallurgique de Tournus SA
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 Manufacture Metallurgique de Tournus SA filed Critical Manufacture Metallurgique de Tournus SA
Publication of EP0007282A1 publication Critical patent/EP0007282A1/fr
Ceased legal-status Critical Current

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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
    • B22D11/008—Continuous casting of metals, i.e. casting in indefinite lengths of clad ingots, i.e. the molten metal being cast against a continuous strip forming part of the cast product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/939—Molten or fused coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y10T428/12757—Fe

Definitions

  • the present invention relates to a process for manufacturing composite strips consisting of an aluminum core coated on one side or on both sides with a metal having a melting point and a mechanical resistance substantially higher than aluminum, by continuous casting. between aluminum cylinders, with interposition between the working cylinder (s) and the liquid aluminum with a metal plating strip.
  • the invention also relates to the composite strips obtained by such a method.
  • aluminum will denote either a pure aluminum or an aluminum-based alloy.
  • French Patent No. 1,364,758 issued May 19, 1964 describes in principle a continuous casting process in which the still liquid metal is introduced between two cooled cylinders and where this liquid metal is interposed with the cylinders of working a strip of plating metal which is continuously driven with the rolled metal and is thus pressed thereon.
  • the main purpose of this process was to tackle an aluminum blank whose surface had, due to the low rate of wrought, a fairly coarse texture, an aluminum strip having an improved corrosion resistance and a better surface finish or more suitable, in particular, for anodic oxidation treatments or of shine.
  • This process makes it possible to produce aluminum strips in a range of thicknesses from 1.5 mm to 20 mm thick under advantageous economic conditions.
  • the present invention relates to the application of this continuous casting process to obtain, at the outlet of the cylinders, plated strips comprising an aluminum core of thickness between 1.5 mm and 20 mm and a cladding on one or more two faces of a metal having a melting point and a mechanical resistance substantially higher than aluminum, with a thickness of between 0.1 and 1 mm, so as to obtain excellent adhesion of the two components.
  • the invention makes it possible to obtain composite strips capable of undergoing further processing, for example by stamping, under good conditions, the manufacturing cost of these strips being very clearly competitive compared to the other plating processes.
  • the plating metal can be, for example, copper or stainless steel.
  • the elongation of the strip is preferably between 3 and 10 X.
  • the Applicant has found, on the other hand, that the specific casting conditions ensuring excellent adhesion of the plating components, one could associate a particular metallurgical structure of the solidified aluminum layer at the outlet of the cylinders.
  • this layer has, under these conditions, in longitudinal section, solidification dendrites in the form of fish bones, oriented in the opposite direction to the advance of the casting, the mean direction of which forms, with the plane of the strip, an angle less than 85 ° and preferably less than 75 °.
  • This structure appears very clearly when, for example, the surface of the section is treated with a usual reagent for macrography;
  • the offset from the median plane should not exceed 10% of the half thickness of the aluminum layer.
  • FIG. 1 represents a pouring device comprising a chute (1) containing the liquid aluminum (2) provided with a nozzle (3) and a float (4) making it possible to maintain a constant level of metal in the tank. 'feed (5).
  • This is in communication with a nozzle (6) having a tapered end which delivers the molten metal through its nozzle (7) over a width equal to that desired for the strip, between the two cylinders (8) and (9).
  • a strip of plating metal (10) is unwound so as to come into contact with the cylinder (9) with a contact arc (11) at least equal to that included between the generator (12) closest to the end of the nozzle and the plane (13) of the axes of the cylinders. It is interesting that the contact arc is large enough so as to allow the heating of the plating strip (10) and a desorption of the surface moisture.
  • the surface of the strip is prepared by known methods such as degreasing, pickling, brushing, abrasion.
  • the strip (10) can be, before its introduction into contact with the aluminum, previously degreased and abraded on the face which will be coated with aluminum, for example by brushing, so as to give it a roughness of the around 0.1 to a few microns CLA approximately. It has been found that it is desirable that the abrasion operation be done just before plating rather than doing it in a prior operation. On the other hand, the other face in contact with the cylinder must preferably remain smooth so as not to deteriorate the heat exchange.
  • the strip (10) can of course be subjected to traction, for example 5 to 100 MPa.
  • the clearance between the end of the nozzle and the cylinder (9) coated with the strip (10) must be just sufficient to avoid excessive friction which would risk damaging the nozzle and a scraping of the lubricant onto the uncoated cylinder. It must be limited to approximately 1 mm in order to avoid instability of the alumina meniscus which forms in this game, which would be detrimental to adhesion.
  • the aluminum When passing between the cylinders, the aluminum gradually solidifies. If the solidification is completed before it leaves the cylinders to a thickness E, it further undergoes rolling which reduces its thickness to e.
  • the reduction rate between the outlet of the nozzle and the outlet of the cylinders is generally between 10 and 40%.
  • the veneer strip is lightly laminated passing between the cylinders.
  • a condition for obtaining correct cladding is that the elongation of the cladding strip is greater than 1% while remaining less than the elongation of the aluminum between the end of solidification and the exit of the cylinders.
  • the theoretical maximum speed of a continuous casting between cylinders is that for which the most forward point of the solidification front lies in the vicinity of the plane of the axes of the cylinders.
  • the process making it possible to obtain fairly thin composite strips between 1.5 and 6 mm unlike the processes of the prior art, the cast strip can be used directly without rolling.
  • FIG. 2 shows the appearance of a longitudinal section of an aluminum-stainless steel composite strip after pickling with the macrography fluorochloronial reagent.
  • solidification dendrites in the form of fishbones the mean direction of which forms, with the median plane of the strip, an angle less than 75 °. Due to the asymmetry of the coating, the line of the vertices of the dendrites is slightly offset from the side of the veneer, but with an eccentricity of less than 20%.
  • the method according to the invention makes it possible to obtain aluminum-metal composite strips with a metal having a melting point and a mechanical resistance substantially higher than aluminum and, more particularly, aluminum-copper or aluminum-steel composite strips stainless can be used in particular for the manufacture of cooking utensils or heat exchangers and this under particularly advantageous economic conditions.
  • the adhesion between the components is excellent.
  • Austenitic stainless steel according to the designation AISI. 304 0.3 mm thick is plated on 1050 aluminum 10 mm thick by continuous casting between 600 mm diameter cylinders. After degreasing, the stainless steel is brushed with a wire brush so as to obtain a roughness of the order of 1 micron CLA, then placed in the interval of about 1 mm between the cylinder and the end of the nozzle. aluminum feed.
  • the stainless steel strip wraps the cylinder at an angle of approximately 90 °.
  • the stainless steel strip undergoes an elongation of approximately 8%.
  • the eccentricity of the aluminum solidification ridge is approximately 5%, the angle of the dendrites is approximately 15 ° with the median plane.
  • the adhesion of the products obtained is good.
  • AISI 434 ferritic stainless steel is plated on 1050 aluminum 2.6 mm thick by continuous casting between cylinders 600 mm in diameter. After degreasing, the stainless steel is brushed with a wire brush so as to obtain a roughness of the order of 1 micron CLA, then is placed in the interval of about 0.6 mm between the cylinder and the end of the aluminum supply nozzle.
  • the stainless steel sheet wraps the cylinder at an angle of approximately 90 °.
  • the stainless steel sheet undergoes an elongation of approximately 3%.
  • the offset of the aluminum solidification backbone is 5%; the angle of the dendrites is 60 ° with the median plane.
  • the adhesion of the products obtained is good. After cold rolling with a reduction of 30%, the product can be drawn.
  • Copper 0.5 mm thick is plated on 1050 aluminum 6 mm thick by continuous casting between cylinders 600 mm in diameter. After degreasing, the copper is brushed with a wire brush so as to obtain a roughness of 1.5 microns CLA, then placed in the interval of approximately 1 mm between the cylinder and the end of the supply nozzle of the aluminum.
  • the copper foil wraps the cylinder at an angle of about 30 °.
  • the copper foil undergoes an elongation of approximately 10.5%.
  • the eccentricity of the aluminum solidification backbone is approximately 1%; the angle of the dendrites is of the order of 30 °.
  • the adhesion of the products obtained allows cold re-rolling by successive passes up to a thickness of 3.25 mm, ie a reduction rate of 45%.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Coating With Molten Metal (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
EP79420028A 1978-06-19 1979-06-08 Procédé de fabrication de bandes composites par coulée continue et bandes ainsi obtenues Ceased EP0007282A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7818926A FR2429056A1 (fr) 1978-06-19 1978-06-19 Procede de fabrication de bandes composites par coulee continue
FR7818926 1978-06-19

Publications (1)

Publication Number Publication Date
EP0007282A1 true EP0007282A1 (fr) 1980-01-23

Family

ID=9209941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79420028A Ceased EP0007282A1 (fr) 1978-06-19 1979-06-08 Procédé de fabrication de bandes composites par coulée continue et bandes ainsi obtenues

Country Status (15)

Country Link
US (2) US4224978A (es)
EP (1) EP0007282A1 (es)
JP (1) JPS582734B2 (es)
AU (1) AU528267B2 (es)
BE (1) BE877056A (es)
CA (1) CA1121954A (es)
CH (1) CH629410A5 (es)
DK (1) DK250579A (es)
ES (1) ES481645A1 (es)
FR (1) FR2429056A1 (es)
GR (1) GR64884B (es)
IT (1) IT1121288B (es)
MA (1) MA18484A1 (es)
PT (1) PT69768A (es)
TR (1) TR20071A (es)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526690A1 (fr) * 1982-05-11 1983-11-18 Furukawa Electric Co Ltd Procede et installation de fabrication en continu d'une bande de plomb ou d'alliage de plomb, et bande ainsi obtenue
FR2534500A1 (fr) * 1982-10-18 1984-04-20 Alusuisse Dispositif pour la fabrication de bandes metalliques
EP0161475A1 (de) * 1984-04-18 1985-11-21 Clecim Vorrichtung zum seitlichen Abschliessen eines Formhohlraumes mit im wesentlichen rechteckigem Querschnitt in einer Stranggiessanlage
WO1990002008A1 (de) * 1988-08-31 1990-03-08 Glyco-Metall-Werke Daelen & Loos Gmbh Verfahren und vorrichtung zur herstellung metallischer schichtverbundwerkstoffe und deren verwendung
EP1713601A1 (en) * 2004-02-12 2006-10-25 Showa Denko K.K. Clad material, method for manufacturing said clad material, and apparatus for manufacturing said clad material
CN102658360A (zh) * 2012-03-06 2012-09-12 成都金和工贸有限公司 一种金属复合板带的制造方法

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380262A (en) * 1980-10-27 1983-04-19 Gte Laboratories Incorporated Apparatus for double roller chill casting of continuous metal foil
US4477011A (en) * 1982-09-10 1984-10-16 Alcan International Limited Continuous cladding of aluminum strip
US4614220A (en) * 1984-11-16 1986-09-30 The United States Of America As Represented By The Secretary Of The Air Force Method for continuously casting thin sheet
JPS62159953U (es) * 1986-04-01 1987-10-12
JPS63250036A (ja) * 1987-04-06 1988-10-17 矢崎総業株式会社 ヒユ−ズ用材
DE3816541C1 (en) * 1988-05-14 1989-04-27 Glyco-Metall-Werke Daelen & Loos Gmbh, 6200 Wiesbaden, De Process for producing laminated metal composites, and use thereof
JP2539671B2 (ja) * 1988-08-19 1996-10-02 株式会社中央製作所 メッキ処理槽における給電装置
US5476725A (en) * 1991-03-18 1995-12-19 Aluminum Company Of America Clad metallurgical products and methods of manufacture
DE59407882D1 (de) * 1994-03-18 1999-04-08 Clad Lizenz Ag Mehrschichtiger, kaltverformbarer und tiefziehfähiger Verbundkörper aus Metall
US5480496A (en) * 1994-03-29 1996-01-02 Reynolds Metals Company Method of making twin roll cast clad material using drag cast liner stock and article produced thereby
US5615727A (en) * 1995-02-24 1997-04-01 Ollman; Melvin L. Composite metal strip and methods of making same
US5643371A (en) * 1995-06-07 1997-07-01 Reynolds Metals Company Method and apparatus for continuously cladding and hot working cast material
US6622778B1 (en) * 2000-07-12 2003-09-23 Danieli Technology, Inc. Method for the direct production of scale-free thin metal strip
US6527043B2 (en) * 2001-05-01 2003-03-04 Antaya Technologies Corporation Apparatus for casting solder on a moving strip
DE102006057858A1 (de) 2006-12-08 2008-08-21 Vladimir Volchkov Verfahren zum Stranggießen (hoch)legierter oder/und hochgekohlter Stähle
DE102007030596B3 (de) * 2007-06-28 2009-03-12 Bayer Schering Pharma Aktiengesellschaft Verfahren zur Herstellung von 17-(3-Hydroxypropyl)-17-hydroxysteroiden
CN101664799B (zh) * 2009-09-14 2011-07-20 哈尔滨工业大学 铜钢复合构件的感应熔铸连接方法
DE102012017682A1 (de) 2012-08-31 2014-03-06 Vladimir Volchkov Verfahren zum Stranggießen der NE-Metalle
DE102012017684A1 (de) 2012-08-31 2014-03-06 Vladimir Volchkov Verfahren zum Stranggießen der NE-Metalle
DE102017118817B4 (de) * 2017-08-17 2019-05-23 Interroll Holding Ag Hybriddeckel
CN109014089A (zh) * 2018-06-15 2018-12-18 王会智 一种铸铝复合板带箔生产设备及生产方法
CN110340317B (zh) * 2019-08-09 2021-05-25 河南科技大学 一种制备超细晶铜铝复合薄板带的异步铸轧方法
CN110756611B (zh) * 2019-10-09 2020-10-13 中铁建电气化局集团康远新材料有限公司 一种大长度熔融渗透式铜钢复合线材的制备方法
KR102461005B1 (ko) * 2020-12-28 2022-10-28 한국세라믹기술원 테이프 캐스팅용 슬러리 댐
CN116511471A (zh) * 2023-04-26 2023-08-01 东莞市维康汽车电子有限公司 一种铜和不锈钢复合金属板材的制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364758A (fr) * 1963-05-16 1964-06-26 Duralumin Procédé d'amélioration de la surface des ébauches plates obtenues par coulée continue suivie de laminage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261724A (en) * 1965-06-28 1966-07-19 Composite Metal Products Inc Stainless steel clad aluminum and methods of making same
US3496621A (en) * 1965-10-01 1970-02-24 Olin Mathieson Integral composite article
GB1359486A (en) * 1970-06-20 1974-07-10 Vandervell Products Ltd Methods and apparatus for producing composite metal material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364758A (fr) * 1963-05-16 1964-06-26 Duralumin Procédé d'amélioration de la surface des ébauches plates obtenues par coulée continue suivie de laminage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526690A1 (fr) * 1982-05-11 1983-11-18 Furukawa Electric Co Ltd Procede et installation de fabrication en continu d'une bande de plomb ou d'alliage de plomb, et bande ainsi obtenue
FR2534500A1 (fr) * 1982-10-18 1984-04-20 Alusuisse Dispositif pour la fabrication de bandes metalliques
EP0161475A1 (de) * 1984-04-18 1985-11-21 Clecim Vorrichtung zum seitlichen Abschliessen eines Formhohlraumes mit im wesentlichen rechteckigem Querschnitt in einer Stranggiessanlage
WO1990002008A1 (de) * 1988-08-31 1990-03-08 Glyco-Metall-Werke Daelen & Loos Gmbh Verfahren und vorrichtung zur herstellung metallischer schichtverbundwerkstoffe und deren verwendung
EP1713601A1 (en) * 2004-02-12 2006-10-25 Showa Denko K.K. Clad material, method for manufacturing said clad material, and apparatus for manufacturing said clad material
EP1713601A4 (en) * 2004-02-12 2007-07-18 Showa Denko Kk COATING MATERIAL, METHOD FOR PRODUCING THE COATING MATERIAL AND DEVICE FOR PRODUCING THE COATING MATERIAL
CN102658360A (zh) * 2012-03-06 2012-09-12 成都金和工贸有限公司 一种金属复合板带的制造方法

Also Published As

Publication number Publication date
FR2429056B1 (es) 1980-10-31
AU528267B2 (en) 1983-04-21
PT69768A (fr) 1979-07-01
GR64884B (en) 1980-06-06
US4303741A (en) 1981-12-01
CA1121954A (fr) 1982-04-20
IT7923524A0 (it) 1979-06-13
BE877056A (fr) 1979-12-18
MA18484A1 (fr) 1979-12-31
JPS551998A (en) 1980-01-09
ES481645A1 (es) 1980-02-16
DK250579A (da) 1979-12-20
CH629410A5 (fr) 1982-04-30
FR2429056A1 (fr) 1980-01-18
US4224978A (en) 1980-09-30
JPS582734B2 (ja) 1983-01-18
IT1121288B (it) 1986-04-02
AU4808679A (en) 1980-01-03
TR20071A (tr) 1980-07-08

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