EP0397952A1 - Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable - Google Patents

Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable Download PDF

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Publication number
EP0397952A1
EP0397952A1 EP89810362A EP89810362A EP0397952A1 EP 0397952 A1 EP0397952 A1 EP 0397952A1 EP 89810362 A EP89810362 A EP 89810362A EP 89810362 A EP89810362 A EP 89810362A EP 0397952 A1 EP0397952 A1 EP 0397952A1
Authority
EP
European Patent Office
Prior art keywords
strip
bath
enclosure
aluminum
molten
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
EP89810362A
Other languages
German (de)
English (en)
Other versions
EP0397952B1 (fr
Inventor
Bogdan Zega
Peter Boswell
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.)
Nippon Steel Nisshin Co Ltd
Original Assignee
Nisshin Steel Co Ltd
Battelle Memorial Institute Inc
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 Nisshin Steel Co Ltd, Battelle Memorial Institute Inc filed Critical Nisshin Steel Co Ltd
Priority to DE68917588T priority Critical patent/DE68917588T2/de
Priority to EP89810362A priority patent/EP0397952B1/fr
Priority to CA002016893A priority patent/CA2016893C/fr
Priority to JP2127039A priority patent/JP2825931B2/ja
Publication of EP0397952A1 publication Critical patent/EP0397952A1/fr
Priority to US07/842,763 priority patent/US5262033A/en
Application granted granted Critical
Publication of EP0397952B1 publication Critical patent/EP0397952B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • C23C2/004—Snouts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching

Definitions

  • the installation represented on Fig. 1 comprises an en­closure consisting of four successive tubular compartments 1a - 1d connected to each other by reduced diameter apertures and terminated by a spout 2 which penetrates into a bath 3 of molten aluminum 4.
  • a continuous stainless strip 5 is circulated within the installation starting from a feed-spool 6 up to a take-up spool 7 at the end of the line.
  • the strip is guided by main rollers 8, 9, 10 and 11, and by seal-roll chambers 12a to 12e which also provide gas pressure isolation between compartments and from the outside. Seal-roll chambers are detailed in document EP-A-176 109 incorporated by reference.
  • the components 1a to 1d of the present installation are provided with input ducts 13a to 13d, respectively, and output ducts 14a to 14d, respectively.
  • the output ducts are used in connection with one or more suitable pumps to establish a reduced pressure within the enclosure.
  • the input ducts are used to introduce a gas at low pressure to sustain the plasmatron discharges in the compartments; this gas is usually argon.
  • Each compartment of the present enclosure 1 contains a plasmatron device 24 (individual plasmatron are given the reference numbers 24a to 24d) which is represented on an enlarged scale in fig. 2.
  • a plasmatron device of the kind used in the present embodiment comprises a magnet frame 15 carrying three magnets, respectively 161, 162 and 163 arranged in order of alternating polarity, so that the magnetic field created by said magnets is closed in a confinement space between the magnets and an anode 18, as represented by reference 17 on the drawing.
  • the magnets are placed very close to the path of the circulating strip 5 so that the strip will circulate within the confinement space 17 while being prevented from rubbing against the magnets by means of rolls 19 made of a non-magne­tic material, for instance bronze or austenitic steel.
  • the anode 18 is connected to a positive terminal of an electric generator (not shown) by a lead passing through an insulator 20 (for instance of steatite).
  • the strip 5 moves along its path in the enclosure 1 and each portion thereof passes successively in the discharge zones 17 of each successive plasmatron device 24a to 24d.
  • the number of compartments with respective plasmatron can be more than 4, for instance 6, 8 or more.
  • the etched strip is guided through seal-roll chamber 12e and spout 2 into the bath of molten aluminum 4, whereby it becomes coated with a film of aluminum.
  • the coating weight (thickness) is control­led by means of a conventional wiping apparatus W or an equi­valent, after which the aluminum solidifies by cooling. Then the plated strip is stored over take-up spool 7.
  • the strip 5 After being plated with Al by its passage in bath 40, the coating weight being conventionally controlled by wiping (see W in the drawing) the strip 5 leaves the enclosure through gas sealed passage means 44a to 44d which are of similar cons­ truction as the aforementioned passages 32a to 32d, and is stored over a take-up spool 45.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • ing And Chemical Polishing (AREA)
EP89810362A 1989-05-18 1989-05-18 Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable Expired - Lifetime EP0397952B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE68917588T DE68917588T2 (de) 1989-05-18 1989-05-18 Verfahren und Vorrichtung zum kontinuierlichen Ätzen und Beschichten von rostfreien Stahlbändern mit Aluminium.
EP89810362A EP0397952B1 (fr) 1989-05-18 1989-05-18 Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable
CA002016893A CA2016893C (fr) 1989-05-18 1990-05-16 Un appareil et methode de mordancage en continu et d'aluminage de feuillards d'acier inoxydable
JP2127039A JP2825931B2 (ja) 1989-05-18 1990-05-18 ステンレススチールストリップの連続エッチングおよびアルミニウム鍍金法およびその装置
US07/842,763 US5262033A (en) 1989-05-18 1992-03-02 Apparatus for the continuous etchings and aluminum plating of stainless steel strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89810362A EP0397952B1 (fr) 1989-05-18 1989-05-18 Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable

Publications (2)

Publication Number Publication Date
EP0397952A1 true EP0397952A1 (fr) 1990-11-22
EP0397952B1 EP0397952B1 (fr) 1994-08-17

Family

ID=8203148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810362A Expired - Lifetime EP0397952B1 (fr) 1989-05-18 1989-05-18 Méthode et appareil pour le décapage en continu et le revêtement par l'aluminium de bandes d'acier inoxydable

Country Status (4)

Country Link
EP (1) EP0397952B1 (fr)
JP (1) JP2825931B2 (fr)
CA (1) CA2016893C (fr)
DE (1) DE68917588T2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04198465A (ja) * 1990-11-29 1992-07-17 Nkk Corp 金属帯の連続前処理方法
EP0506304A1 (fr) * 1991-03-26 1992-09-30 Nisshin Steel Co., Ltd. Procédé et appareil de revêtement par immersion à chaud d'une bande d'acier
EP0535568A1 (fr) * 1991-09-30 1993-04-07 Chugai Ro Co., Ltd. Appareil pour nettoyer la surface d'une bande métallique
EP0584364A1 (fr) * 1992-02-12 1994-03-02 Nisshin Steel Co., Ltd. TOLE D'ACIER PLAQUEE Al-Si-Cr, AYANT UNE EXCELLENTE RESISTANCE A LA CORROSION, ET PRODUCTION DE CETTE TOLE
EP0879897B2 (fr) † 1997-02-11 2006-08-02 ARCELOR France Procédé de recuit d'un substrat métallique au défilé
EP1814678B2 (fr) † 2005-03-17 2014-08-27 SMS Siemag AG Procede et dispositif de decalaminage d'une bande metallique
WO2018104298A1 (fr) * 2016-12-05 2018-06-14 Onderzoekscentrum Voor Aanwending Van Staal N.V. Procédé et système pour la fabrication d'un produit en acier ayant un revêtement à paillettes, et produit en acier ayant un revêtement à paillettes
CN110519976A (zh) * 2019-08-08 2019-11-29 湖北久之洋红外系统股份有限公司 一种具有电磁屏蔽功能的蓝宝石光学窗口及制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489269B1 (ko) * 2002-11-18 2005-05-11 포항강판 주식회사 스테인레스강판의 알루미늄 도금장치 및 그 도금방법
KR101372624B1 (ko) * 2006-12-27 2014-03-10 주식회사 포스코 상압 플라즈마를 이용한 용융 알루미늄 도금 스테인레스강판 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE136047C (fr) *
DE665540C (de) * 1931-07-26 1938-09-28 Siemens Schuckertwerke Akt Ges Herstellung von metallischen UEberzuegen auf Metallkoerpern
GB926619A (en) * 1960-02-17 1963-05-22 Continental Can Company Ic Improvements in or relating to coatings
GB1536523A (en) * 1964-03-19 1978-12-20 Centre Rech Metallurgique Production of galvanized steel strip
EP0134143A1 (fr) * 1983-08-17 1985-03-13 Nippon Steel Corporation Procédé de plonge à chaud d'aluminium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450637A (fr) * 1964-07-02 1966-06-24 Procédé pour l'obtention de revêtements métalliques, appareillage pour la mise en oeuvre dudit procédé et produits conformes à ceux obtenus par le présent procédé ou procédé similaire
US3468695A (en) * 1964-07-02 1969-09-23 Alfred P Federman Method of coating a steel base with aluminum
US3779056A (en) * 1971-12-28 1973-12-18 Bethlehem Steel Corp Method of coating steel wire with aluminum
CH648601A5 (fr) * 1979-07-31 1985-03-29 Battelle Memorial Institute Procede de revetement en continu d'un substrat metallique sur une partie au moins de sa surface par un autre metal et dispositif pour la mise en oeuvre de ce procede.
US4883723A (en) * 1986-05-20 1989-11-28 Armco Inc. Hot dip aluminum coated chromium alloy steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE136047C (fr) *
DE665540C (de) * 1931-07-26 1938-09-28 Siemens Schuckertwerke Akt Ges Herstellung von metallischen UEberzuegen auf Metallkoerpern
GB926619A (en) * 1960-02-17 1963-05-22 Continental Can Company Ic Improvements in or relating to coatings
GB1536523A (en) * 1964-03-19 1978-12-20 Centre Rech Metallurgique Production of galvanized steel strip
EP0134143A1 (fr) * 1983-08-17 1985-03-13 Nippon Steel Corporation Procédé de plonge à chaud d'aluminium

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0774424B2 (ja) * 1990-11-29 1995-08-09 日本鋼管株式会社 金属帯の連続前処理方法
JPH04198465A (ja) * 1990-11-29 1992-07-17 Nkk Corp 金属帯の連続前処理方法
EP0506304A1 (fr) * 1991-03-26 1992-09-30 Nisshin Steel Co., Ltd. Procédé et appareil de revêtement par immersion à chaud d'une bande d'acier
AU650104B2 (en) * 1991-03-26 1994-06-09 Nisshin Steel Company, Ltd. Method and apparatus for hot-dipping steel strip
EP0535568A1 (fr) * 1991-09-30 1993-04-07 Chugai Ro Co., Ltd. Appareil pour nettoyer la surface d'une bande métallique
EP0584364A1 (fr) * 1992-02-12 1994-03-02 Nisshin Steel Co., Ltd. TOLE D'ACIER PLAQUEE Al-Si-Cr, AYANT UNE EXCELLENTE RESISTANCE A LA CORROSION, ET PRODUCTION DE CETTE TOLE
EP0584364A4 (en) * 1992-02-12 1994-08-17 Nisshin Steel Co Ltd Al-si-cr-plated steel sheet excellent in corrosion resistance and production thereof
EP0879897B2 (fr) † 1997-02-11 2006-08-02 ARCELOR France Procédé de recuit d'un substrat métallique au défilé
EP1814678B2 (fr) † 2005-03-17 2014-08-27 SMS Siemag AG Procede et dispositif de decalaminage d'une bande metallique
WO2018104298A1 (fr) * 2016-12-05 2018-06-14 Onderzoekscentrum Voor Aanwending Van Staal N.V. Procédé et système pour la fabrication d'un produit en acier ayant un revêtement à paillettes, et produit en acier ayant un revêtement à paillettes
NL2017925B1 (en) * 2016-12-05 2018-06-18 Onderzoekscentrum Voor Aanwending Van Staal N V Method and system for manufacturing a steel product having a coating with spangles, and a steel product having a coating with spangles
CN110519976A (zh) * 2019-08-08 2019-11-29 湖北久之洋红外系统股份有限公司 一种具有电磁屏蔽功能的蓝宝石光学窗口及制备方法
CN110519976B (zh) * 2019-08-08 2020-05-22 湖北久之洋红外系统股份有限公司 一种具有电磁屏蔽功能的蓝宝石光学窗口及制备方法

Also Published As

Publication number Publication date
CA2016893C (fr) 2000-01-04
CA2016893A1 (fr) 1990-11-18
DE68917588D1 (de) 1994-09-22
JP2825931B2 (ja) 1998-11-18
EP0397952B1 (fr) 1994-08-17
DE68917588T2 (de) 1995-01-19
JPH0364442A (ja) 1991-03-19

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