EP2467221A1 - Procédé de production de feuillards à chaud par coulée de bandes minces aux caractéristiques de matériau réglables sur la section transversale de la bande - Google Patents

Procédé de production de feuillards à chaud par coulée de bandes minces aux caractéristiques de matériau réglables sur la section transversale de la bande

Info

Publication number
EP2467221A1
EP2467221A1 EP10749463A EP10749463A EP2467221A1 EP 2467221 A1 EP2467221 A1 EP 2467221A1 EP 10749463 A EP10749463 A EP 10749463A EP 10749463 A EP10749463 A EP 10749463A EP 2467221 A1 EP2467221 A1 EP 2467221A1
Authority
EP
European Patent Office
Prior art keywords
strip
gas
material properties
plasma jet
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.)
Granted
Application number
EP10749463A
Other languages
German (de)
English (en)
Other versions
EP2467221B1 (fr
Inventor
Karl-Heinz Spitzer
Volker Flaxa
Joachim Kroos
Hellfried Eichholz
Markus SCHÄPERKÖTTER
Rune SCHMIDT-JÜRGENSEN
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.)
Salzgitter Flachstahl GmbH
Original Assignee
Salzgitter Flachstahl GmbH
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 Salzgitter Flachstahl GmbH filed Critical Salzgitter Flachstahl GmbH
Publication of EP2467221A1 publication Critical patent/EP2467221A1/fr
Application granted granted Critical
Publication of EP2467221B1 publication Critical patent/EP2467221B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt

Definitions

  • Vehicle components on the other hand, but also a passive safety of the passengers promoting behavior of the individual components with high static and dynamic stresses during operation and in the event of a crash.
  • Such steel sheets or strips must meet comparatively high requirements in terms of strength, ductility, toughness, energy absorption and processability, for example by cold forming, welding and / or surface treatment.
  • the abandoned melt solidifies to a pre-strip with a thickness in the range between 6 - 20 mm. After solidification, the pre-strip is subjected to a hot rolling process.
  • the object of the invention is to specify a method for producing composite materials with a steel matrix by means of horizontal strip casting, with which the required material properties can be set variably over the strip cross section.
  • These may, for example, also be alloying elements in which the solubility in the iron is limited at normal liquidus temperatures and which, therefore, over conventional production processes due to material incompatibilities, metallurgical
  • Demixing, evaporation, etc. are not or only partially introduced into the matrix.
  • the gas jet solid particles such. As metal or ceramic particles are added (aerosols), so that are provided with corresponding novel properties with the inventive method completely novel composite or gradient materials.
  • the gas z. B. from N 2l CO, C0 2 , inert or reducing gases and, depending on requirements cold or preheated impinge on the molten bath surface.
  • the gas molecules diffuse starting from the strip surface with a specifically adjustable gradient in the strip thickness direction and correspondingly influence the material properties of the solidified strip.
  • a hardness gradient can be set in a targeted manner via the strip thickness.
  • the plasma z. B. also consist of metal vapors, which any alloying elements can be introduced into the material in order to influence the material properties targeted. This can be z. B. Cr to improve the corrosion properties or Si, the soft magnetic
  • the gas or plasma jet is applied over the entire width of the casting belt or is variably adjustable.
  • the loading of the strip with a gas or plasma jet can not only be used for introducing elements into the strip material but also advantageously the energy contained in the plasma jet can be used, for example, elements already introduced by a gas jet
  • Figure 1 is a schematic representation of a horizontal strip casting
  • the surface solidification of the cast strand has already begun.
  • the porous surface makes it possible for atoms deposited at this point to diffuse from the medium (eg gases or vapors) from the surface into the solid material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne un procédé de production de feuillards à chaud en acier aux caractéristiques de matériau réglables sur la section transversale de la bande. Une masse fondue d'acier qui est cédée par une rigole de coulée à un convoyeur de coulée tournant d'une installation horizontale de coulée de bandes minces, durcit en une bande mince d'une épaisseur comprise entre 6 et 20 mm et la bande mince, une fois durcie à coeur, est soumise à un processus de laminage à chaud. Un jet de gaz ou de plasma constitué d'éléments métalliques et/ou non métalliques agissant sur les caractéristiques de matériau exerce une influence sur la masse d'acier encore liquide et/ou en amorce de durcissement, par modification de l'énergie cinétique agissante de la pression partielle de gaz et/ou de la température appliquée, la concentration des éléments introduits par le jet de gaz ou de plasma dans la masse fondue à l'intérieur de laquelle ils diffusent, est réglée sur l'épaisseur et la largeur de la bande.
EP10749463.5A 2009-08-21 2010-07-14 Procédé de production de feuillards à chaud par coulée de bandes minces aux caractéristiques de matériau réglables sur la section transversale de la bande Not-in-force EP2467221B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009038974A DE102009038974B3 (de) 2009-08-21 2009-08-21 Verfahren zum Erzeugen von Warmband mittels Bandgießen mit über den Bandquerschnitt einstellbaren Werkstoffeigenschaften
PCT/DE2010/000826 WO2011020451A1 (fr) 2009-08-21 2010-07-14 Procédé de production de feuillards à chaud par coulée de bandes minces aux caractéristiques de matériau réglables sur la section transversale de la bande

Publications (2)

Publication Number Publication Date
EP2467221A1 true EP2467221A1 (fr) 2012-06-27
EP2467221B1 EP2467221B1 (fr) 2016-01-27

Family

ID=42993819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10749463.5A Not-in-force EP2467221B1 (fr) 2009-08-21 2010-07-14 Procédé de production de feuillards à chaud par coulée de bandes minces aux caractéristiques de matériau réglables sur la section transversale de la bande

Country Status (6)

Country Link
US (1) US10086426B2 (fr)
EP (1) EP2467221B1 (fr)
KR (1) KR20120051028A (fr)
DE (1) DE102009038974B3 (fr)
RU (1) RU2537580C2 (fr)
WO (1) WO2011020451A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114269492A (zh) * 2019-07-03 2022-04-01 斯佩拉有限公司 带材连铸设备的熔体供给

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002079B4 (de) 2012-01-30 2015-05-13 Salzgitter Flachstahl Gmbh Verfahren zur Herstellung eines kalt- oder warmgewalzten Stahlbandes aus einem höchstfesten Mehrphasenstahl
DE102012013425A1 (de) 2012-07-03 2014-01-09 Salzgitter Flachstahl Gmbh Kontinuierlich arbeitende Bandgieß- und Walzanlage

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224356A (en) * 1977-05-31 1980-09-23 The Secretary For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Deposition of metals on a base
JPS58179542A (ja) * 1982-04-12 1983-10-20 Daido Steel Co Ltd 粒子分散金属の製造方法
US4523625A (en) * 1983-02-07 1985-06-18 Cornell Research Foundation, Inc. Method of making strips of metallic glasses having uniformly distributed embedded particulate matter
JPS6017029A (ja) * 1983-07-09 1985-01-28 Alps Electric Co Ltd 第２相粒子分散型超急冷合金の製造方法
US4588021A (en) * 1983-11-07 1986-05-13 Hazelett Strip-Casting Corporation Matrix coatings on endless flexible metallic belts for continuous casting machines method of forming such coatings and the coated belts
JPH01306052A (ja) * 1988-06-02 1989-12-11 Sumitomo Metal Ind Ltd 連続鋳造用ベルト
US6110296A (en) 1998-04-28 2000-08-29 Usx Corporation Thin strip casting of carbon steels
EP2233606B1 (fr) * 2000-12-12 2013-02-13 Konica Corporation Dispositif de décharge plasma
DE10124594B4 (de) * 2001-05-21 2006-10-12 Thyssenkrupp Steel Ag Verfahren zum Herstellen eines Verbundbandes aus Stahl durch Walzplattieren eines direkt gegossenen Stahlbandes sowie Verwendung eines solchen Verbundbandes
RU2233346C1 (ru) * 2003-04-22 2004-07-27 Открытое акционерное общество "Всероссийский институт легких сплавов" Алюминиевый сплав для получения пеноалюминия и способ получения пеноалюминия из него
DE102004053620A1 (de) 2004-11-03 2006-05-04 Salzgitter Flachstahl Gmbh Hochfester, lufthärtender Stahl mit ausgezeichneten Umformeigenschaften
DE102004062636B4 (de) * 2004-12-21 2007-05-24 Salzgitter Flachstahl Gmbh Einrichtung zum horizontalen Bandgießen von Stahl
DE102005062854A1 (de) 2005-12-23 2007-07-05 Salzgitter Flachstahl Gmbh Verfahren und Einrichtung zum Erzeugen von metallischen Warmbändern insbesondere aus Leichtbaustahl
DE102007058222A1 (de) 2007-12-03 2009-06-04 Salzgitter Flachstahl Gmbh Stahl für hochfeste Bauteile aus Bändern, Blechen oder Rohren mit ausgezeichneter Umformbarkeit und besonderer Eignung für Hochtemperatur-Beschichtungsverfahren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011020451A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114269492A (zh) * 2019-07-03 2022-04-01 斯佩拉有限公司 带材连铸设备的熔体供给
CN114269492B (zh) * 2019-07-03 2023-05-09 斯佩拉有限公司 带材连铸设备的熔体供给
US11673184B2 (en) 2019-07-03 2023-06-13 Speira Gmbh Melt feeding for strip casting systems

Also Published As

Publication number Publication date
US20120279677A1 (en) 2012-11-08
DE102009038974B3 (de) 2010-11-25
KR20120051028A (ko) 2012-05-21
WO2011020451A1 (fr) 2011-02-24
EP2467221B1 (fr) 2016-01-27
US10086426B2 (en) 2018-10-02
RU2012110590A (ru) 2013-09-27
RU2537580C2 (ru) 2015-01-10

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