EP0519310B1 - Procédé d'obtention d'une surface structurée sur des produits semi-manufacturés de cuivre ou alliage à base de cuivre - Google Patents

Procédé d'obtention d'une surface structurée sur des produits semi-manufacturés de cuivre ou alliage à base de cuivre Download PDF

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Publication number
EP0519310B1
EP0519310B1 EP92109779A EP92109779A EP0519310B1 EP 0519310 B1 EP0519310 B1 EP 0519310B1 EP 92109779 A EP92109779 A EP 92109779A EP 92109779 A EP92109779 A EP 92109779A EP 0519310 B1 EP0519310 B1 EP 0519310B1
Authority
EP
European Patent Office
Prior art keywords
copper
semi
product
process according
powder particles
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.)
Expired - Lifetime
Application number
EP92109779A
Other languages
German (de)
English (en)
Other versions
EP0519310A1 (fr
Inventor
Stefan Hoveling
Hans Hermann Biederer
Dieter Clausing
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.)
KM Europa Metal AG
Original Assignee
KM Europa Metal AG
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 KM Europa Metal AG filed Critical KM Europa Metal AG
Publication of EP0519310A1 publication Critical patent/EP0519310A1/fr
Application granted granted Critical
Publication of EP0519310B1 publication Critical patent/EP0519310B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/04—Producing precipitations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D5/00—Surface treatment to obtain special artistic surface effects or finishes
    • B44D5/10—Mechanical treatment
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas

Definitions

  • the invention relates to a method for producing a structured surface on a semi-finished product consisting of copper or a copper alloy, in particular on rolled strips or sheets with a thickness of 0.4 to 1 mm.
  • the invention further relates to the use of structured band-shaped semi-finished products in the construction sector.
  • US-A-4 666 743 describes a method of manufacturing a metal sheet with a decorative surface for covering doors of elevators.
  • the known method first provides a pretreatment of the surface in some areas by means of an etching.
  • the etched surface areas are then given a coating which is applied by flame spraying metal powder particles.
  • a device for the continuous production of a decorative surface on a metal strip is also known from FR-A-2 197 350.
  • the invention has for its object to provide a method with which the appearance of the surface of semi-finished products made of copper or copper alloys can be improved.
  • the surface of a copper sheet coated by thermal spraying of aluminum powder particles is given a very decorative matt silver-colored surface structure that has excellent protection against mechanical and chemical impairments.
  • Support plates of this type coated with aluminum powder particles are particularly suitable for cladding ceilings and walls for the demanding interior construction of buildings.
  • the coated carrier plates can be used with particular advantage, since their larger surface increases the efficiency of heat exchangers for air conditioning.
  • the surface of a cold-rolled and possibly degreased band made of SF-Cu with a thickness of 0.7 mm and a width of 1000 mm was ground uniformly in the feed direction of the band (lengthways) by means of a grinding device.
  • Sanding belts with 40 and 60 grit were used for the mechanical pretreatment of the belt surface.
  • the average surface roughness of the ground surface was about 6 ⁇ m after the grinding process.
  • An average surface roughness of 0.5 to 20 ⁇ m is suitable.
  • a flame spray gun was available for the thermal coating and preferably uses an inert gas as the transport gas for the metal powder particles.
  • the application layers had a thickness of approximately 0.1 mm.
  • the texture of the sprayed-on coating is matt and also proves to be sufficiently opaque.
  • a metallographic examination of the microstructure of the application layer showed good particle binding of the sprayed-on metal particles with the carrier material.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Conductive Materials (AREA)
  • Coating With Molten Metal (AREA)
  • Chemically Coating (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Metal Extraction Processes (AREA)

Claims (7)

  1. Procédé de préparation d'une surface structurée sur un demi-produit composé de cuivre ou d'un alliage de cuivre, en particulier sur des bandes ou tôles laminées ayant une épaisseur de 0,4 à 1 mm,
    caractérisé en ce que
    la surface du demi-produit est rendue rugueuse par rectification dans au moins une direction et le demi-produit reçoit alors un revêtement qui est appliqué par projection de poudre métallique.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    la surface du demi-produit est rectifiée d'abord longitudinalement et ensuite transversalement.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    la surface du demi-produit comporte, après le façonnage mécanique par rectification, une profondeur de rugosité moyenne allant de 0,5 à 20 µm.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que
    comme matière pulvérulente de projection thermique, on utilise du cuivre, du nickel, de l'aluminium ou de l'étain ou un alliage à base de ces matières.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'épaisseur du revêtement thermique se monte environ à 0,05 jusqu'à 0,8 mm.
  6. Procédé d'un demi-produit sous la forme d'une bande produite selon l'une des revendications 1 à 5, avec une surface structurée comme matériau pour l'habillage de façades et de toits ainsi que des parois et des plafonds dans l'intérieur de bâtiments.
  7. Utilisation d'un demi-produit sous forme de bande produite selon l'une des revendications 1 à 5, avec une surface structurée comme matériau pour la production d'éléments d'échangeur thermique plans destinés à la climatisation de pièces.
EP92109779A 1991-06-20 1992-06-10 Procédé d'obtention d'une surface structurée sur des produits semi-manufacturés de cuivre ou alliage à base de cuivre Expired - Lifetime EP0519310B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4120387 1991-06-20
DE4120387A DE4120387A1 (de) 1991-06-20 1991-06-20 Verfahren zur herstellung einer strukturierten oberflaeche auf einem aus kupfer oder einer kupferlegierung bestehendem halbzeug

Publications (2)

Publication Number Publication Date
EP0519310A1 EP0519310A1 (fr) 1992-12-23
EP0519310B1 true EP0519310B1 (fr) 1996-12-11

Family

ID=6434380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92109779A Expired - Lifetime EP0519310B1 (fr) 1991-06-20 1992-06-10 Procédé d'obtention d'une surface structurée sur des produits semi-manufacturés de cuivre ou alliage à base de cuivre

Country Status (6)

Country Link
EP (1) EP0519310B1 (fr)
AT (1) ATE146137T1 (fr)
DE (2) DE4120387A1 (fr)
DK (1) DK0519310T3 (fr)
ES (1) ES2097240T3 (fr)
GR (1) GR3022013T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2087817B1 (es) * 1993-11-08 1997-03-16 Palenzuela De Vega Fernando Procedimiento para decorar y proteger superficies de perfiles y laminas de aleaciones de aluminio para interiores y exteriores de edificaciones en general.
US7682667B2 (en) 2003-10-22 2010-03-23 Nishinippon Plant Engineering And Construction Co., Ltd. Method of thermal spraying
JP4502622B2 (ja) * 2003-10-22 2010-07-14 九州電力株式会社 溶射方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012464A1 (de) * 1970-03-17 1971-10-07 Bock & Schupp, 7530 Pforzheim Oberflachenbehandlung von Schmuckgegen standen
FR2197350A5 (fr) * 1972-08-25 1974-03-22 Schick Gertrude
FR2393778A1 (fr) * 1977-06-09 1979-01-05 Bargoin Michele Applications architecturales et artistiques de la metallisation
GB2145132B (en) * 1983-07-08 1986-08-20 Aluteck Co Ltd Decorative tile and a method for its manufacture
CN1010760B (zh) * 1984-11-13 1990-12-12 三菱电机株式会社 装饰板的制造方法

Also Published As

Publication number Publication date
GR3022013T3 (en) 1997-03-31
ES2097240T3 (es) 1997-04-01
EP0519310A1 (fr) 1992-12-23
DK0519310T3 (da) 1997-06-02
DE4120387A1 (de) 1992-12-24
DE59207649D1 (de) 1997-01-23
ATE146137T1 (de) 1996-12-15

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