EP1174524B1 - Surface layer for forming a running layer on a cylinder wall, coating powder therefor and process for producing such a surface layer - Google Patents

Surface layer for forming a running layer on a cylinder wall, coating powder therefor and process for producing such a surface layer Download PDF

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Publication number
EP1174524B1
EP1174524B1 EP01810455.4A EP01810455A EP1174524B1 EP 1174524 B1 EP1174524 B1 EP 1174524B1 EP 01810455 A EP01810455 A EP 01810455A EP 1174524 B1 EP1174524 B1 EP 1174524B1
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EP
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Prior art keywords
weight
surface layer
spraying powder
difference
following composition
Prior art date
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EP01810455.4A
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German (de)
French (fr)
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EP1174524A2 (en
EP1174524A3 (en
Inventor
Gérard BARBEZAT
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Oerlikon Metco AG
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Oerlikon Metco AG
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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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
    • C23C4/16—Wires; Tubes
    • 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
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • 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
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12063—Nonparticulate metal component

Definitions

  • the invention relates to a formed according to the preamble of claim 1 surface layer for forming a tread on a cylinder wall, a defined in the preamble of claim 6 spray powder for producing the surface layer and a circumscribed in the preamble of claim 11 method for producing such surface layers.
  • machinability of such plasma spray coatings can be significantly increased by adding solid lubricants, for example by adding hexagonal boron nitride BN, MoS 2 or WS 2 .
  • solid lubricants for example by adding hexagonal boron nitride BN, MoS 2 or WS 2 .
  • Boron nitride and the abovementioned sulfides are difficult to incorporate into the layers because they react with the oxygen in the air or are decomposed by the high temperature of the plasma. They have to be protected by expensive cladding.
  • Insert sleeves for cylinder surfaces known, which consist of supereutectic aluminum / silicon alloys.
  • the insert bushing is subjected to mechanical machining after insertion into the engine block, by first rough and then finely working its surface. In a final processing phase, the surface is honed. After honing are those particles that are harder than the microstructure of the base alloy, namely Silicone crystals and intermetallic phases, slightly above the actual surface. These exposed particles should improve the wear resistance.
  • the object of the invention is to propose a surface layer for forming a tread on a cylinder wall according to the preamble of claim 1, which can be easily applied to the cylinder wall and significantly better machinable without the other important functions of the coating material be negatively influenced.
  • the wear resistance and the low coefficient of friction should be maintained or even improved with respect to the piston ring materials coming into contact with the surface layer.
  • the separate phases of constituent surface layer for forming a tread on a cylinder wall by plasma spraying of an iron-containing spray powder is generated, which contains all components of the surface layer to be generated.
  • the surface layer can either be applied directly to the cylinder wall or to an insert bush, which is used to form the running surface in the cylinder bore.
  • preferred additives are chromium, manganese, sulfur and carbon. Suitable are e.g. but also bismuth, lead, tellurium and selenium. The substances mentioned can be added in elemental form or in the form of compounds.
  • the sprayed coatings produced have the same composition as the spray powders used.
  • claim 6 is also a spray powder for the production of surface layers according to claim 1 and in claim 11, a method for the production of surface layers proposed according to claim 1.
  • Preferred compositions of the molding powder are defined in claims 7 to 10 while a preferred embodiment of the method of producing the surface layers is defined in claim 18.
  • the wettable powders advantageously have a particle size of from 5 to 60 .mu.m, preferably from 10 to 45 .mu.m.
  • the layers thus produced are corrosion resistant to sulfuric and formic acids, i. Condensates that can form in internal combustion engines.
  • the proposed surface layers and the proposed powders are particularly suitable for direct application to the cylinder wall of engine blocks, in particular engine blocks made of light metal.
  • the spray powder is preferably applied by means of a plasma spraying device with a rotating plasmatron.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

Die Erfindung betrifft eine gemäss dem Oberbegriff des Anspruchs 1 ausgebildete Oberflächenschicht zur Bildung einer Lauffläche auf einer Zylinderwandung, ein im Oberbegriff des Anspruchs 6 definiertes Spritzpulver zur Erzeugung der Oberflächenschicht sowie ein im Oberbegriff des Anspruchs 11 umschriebenes Verfahren zur Erzeugung solcher Oberflächenschichten.The invention relates to a formed according to the preamble of claim 1 surface layer for forming a tread on a cylinder wall, a defined in the preamble of claim 6 spray powder for producing the surface layer and a circumscribed in the preamble of claim 11 method for producing such surface layers.

Das thermische Beschichten von Zylinderlaufflächen mittels Plasmaspritzverfahren ist bereits bekannt, z.B. aus der Veröffentlichung EP-B1-0 716 156 , "Brennkraftmaschinenblock mit beschichteten Zylinderbüchsen".The thermal coating of cylinder surfaces by means of plasma spraying is already known, for example from the publication EP-B1-0 716 156 , "Engine block with coated cylinder liners".

Die Zerspanbarkeit solcher Plasmaspritzschichten durch Honen, Läppen, Feinspindeln oder Schleifen war jedoch bis anhin beschränkt, so dass die Bearbeitungskosten relativ hoch lagen, insbesondere was die Bearbeitungszeit und die Lebensdauer der Werkzeuge anbelangt.The machinability of such plasma spraying layers by honing, lapping, fine spindling or grinding, however, has hitherto been limited, so that the processing costs were relatively high, in particular as regards the processing time and the service life of the tools.

Die Zerspanbarkeit solcher Plasmaspritzschichen kann durch Zugabe von Festschmierstoffen deutlich erhöht werden, z.B. durch Zugabe von hexagonalem Bornitrid BN, von MoS2 oder von WS2. Bornitrid und die genannten Sulfide lassen sich jedoch nur schlecht in die Schichten einbringen, weil sie mit dem Sauerstoff der Luft reagieren oder durch die hohe Temperatur des Plasmas zersetzt werden. Sie müssen durch kostspielige Umhüllung geschützt werden.The machinability of such plasma spray coatings can be significantly increased by adding solid lubricants, for example by adding hexagonal boron nitride BN, MoS 2 or WS 2 . Boron nitride and the abovementioned sulfides, however, are difficult to incorporate into the layers because they react with the oxygen in the air or are decomposed by the high temperature of the plasma. They have to be protected by expensive cladding.

Weiter ist in der Patentanmeldung EP 99 81 1122.3 ein Verfahren zum sog. "Reaktivspritzen" beschrieben, bei welchem durch kontrollierte Sauerstoffzugabe während des Plasmaspritzens in der Plasmaspritzschicht FeO- (Wustite) und Fe3O4-Kristalle (Magnetite) gebildet werden. Dadurch werden der Reibungskoeffizient und die Zerspanbarkeit verbessert.Next is in the patent application EP 99 81 1122.3 describe a process for so-called "reactive spraying" in which FeO (wustite) and Fe 3 O 4 crystals (magnetites) are formed by controlled addition of oxygen during the plasma spraying in the plasma spraying layer. This improves the friction coefficient and the machinability.

Schliesslich sind aus der GB-A-2 297 053 Einsatzbüchsen für Zylinderlaufflächen bekannt, welche aus supereutektischen Aluminium/Silizium-Legierungen bestehen. Die Einsatzbüchse wird nach dem Einsetzen in den Motorblock einer mechanischen Bearbeitung unterzogen, indem deren Oberfläche zuerst grob und dann fein bearbeitet wird. In einer letzten Bearbeitungsphase wird die Oberfläche gehont. Nach dem Hohnen stehen diejenigen Partikel, die härter sind als die Mikrostruktur der Basislegierung, namentlich Silikon Kristalle und intermetallische Phasen, etwas über die eigentliche Oberfläche vor. Durch diese exponierten Partikel soll die Verschleissfestigkeit verbessert werden.Finally are from the GB-A-2 297 053 Insert sleeves for cylinder surfaces known, which consist of supereutectic aluminum / silicon alloys. The insert bushing is subjected to mechanical machining after insertion into the engine block, by first rough and then finely working its surface. In a final processing phase, the surface is honed. After honing are those particles that are harder than the microstructure of the base alloy, namely Silicone crystals and intermetallic phases, slightly above the actual surface. These exposed particles should improve the wear resistance.

Ausgehend vom bekannten Stand der Technik besteht die Aufgabe der Erfindung darin, eine Oberflächenschicht zur Bildung einer Lauffläche auf einer Zylinderwandung gemäss dem Oberbegriff des Anspruchs 1 vorzuschlagen, welche einfach auf die Zylinderwandung aufbringbar und deutlich besser zerspanbar ist, ohne dass die anderen wichtigen Funktionen des Schichtwerkstoffs negativ beeinflusst werden. Insbesondere sollen die Verschleissfestigkeit und der niedrige Reibungskoeffizient gegenüber den mit der Oberflächenschicht in Berührung kommenden Kolbenringwerkstoffen erhalten bleiben oder sogar verbessert werden.Starting from the known prior art, the object of the invention is to propose a surface layer for forming a tread on a cylinder wall according to the preamble of claim 1, which can be easily applied to the cylinder wall and significantly better machinable without the other important functions of the coating material be negatively influenced. In particular, the wear resistance and the low coefficient of friction should be maintained or even improved with respect to the piston ring materials coming into contact with the surface layer.

Diese Aufgabe wird durch die im Kennzeichen des Anspruchs 1 genannten Massnahmen gelöst.This object is achieved by the measures mentioned in the characterizing part of claim 1.

Erfindungsgemäss ist die separate Phasen von Bestandteilen auweisende Oberflächenschicht zur Bildung einer Lauffläche auf einer Zylinderwandung durch Plasmaspritzen eines eisenhaltigen Spritzpulvers erzeugt, welches alle Bestandteile der zu erzeugenden Oberflächenschicht enthält.According to the invention, the separate phases of constituent surface layer for forming a tread on a cylinder wall by plasma spraying of an iron-containing spray powder is generated, which contains all components of the surface layer to be generated.

Die Oberflächenschicht kann entweder direkt auf die Zylinderwandung aufgebracht werden oder auf eine Einsatzbüchse, welche zur Bildung der Lauffläche in die Zylinderbohrung eingesetzt wird.The surface layer can either be applied directly to the cylinder wall or to an insert bush, which is used to form the running surface in the cylinder bore.

Nebst einem überwiegenden Anteil an Eisen sind bevorzugte Zugabestoffe Chrom, Mangan, Schwefel und Kohlenstoff. Geeignet sind z.B. aber auch Bismut, Blei, Tellur und Selen. Die genannten Stoffe können in elementarer Form oder in Form von Verbindungen zugegeben werden.In addition to a predominant proportion of iron, preferred additives are chromium, manganese, sulfur and carbon. Suitable are e.g. but also bismuth, lead, tellurium and selenium. The substances mentioned can be added in elemental form or in the form of compounds.

Die erwähnten Zugabestoffe bilden beim Abkühlen der durch Plasmaspritzen aufgebrachten Schicht die erfindungsgemässen separaten Phasen.The abovementioned addition substances form the separate phases according to the invention during cooling of the layer applied by plasma spraying.

Naturgemäss weisen die erzeugten Spritzschichten dieselbe Zusammensetzung auf wie die eingesetzten Spritzpulver.Naturally, the sprayed coatings produced have the same composition as the spray powders used.

Im Anspruch 6 wird zudem ein Spritzpulver zur Erzeugung von Oberflächenschichten nach Anspruch 1 und im Anspruch 11 ein Verfahren zur Erzeugung von Oberflächenschichten nach Anspruch 1 vorgeschlagen. Bevorzugte Zusammensetzungen des Pritzpulvers sind in den Ansprüchen 7 bis 10 umschrieben während ein bevorzugtes Ausführungsbeispiel des Verfahrens zur Erzeugung der Oberflächenschichten im Anspruch 18 definiert ist.In claim 6 is also a spray powder for the production of surface layers according to claim 1 and in claim 11, a method for the production of surface layers proposed according to claim 1. Preferred compositions of the molding powder are defined in claims 7 to 10 while a preferred embodiment of the method of producing the surface layers is defined in claim 18.

Die Spritzpulver weisen zweckmässigerweise eine Teilchengrösse von 5 bis 60 µm, vorzugsweise eine solche von 10 bis 45 µm, auf.The wettable powders advantageously have a particle size of from 5 to 60 .mu.m, preferably from 10 to 45 .mu.m.

Beispiel 1example 1

Ein Spritzpulver der folgenden Zusammensetzung wird gasverdüst und durch Plasmaspritzen auf die Zylinderlauffläche aufgebracht:

  • Fe = Differenz auf 100 Gewichtsprozent
  • Cr = 0,1 bis 18,0 Gewichtsprozent
  • Mn = 0,1 bis 6,0 Gewichtsprozent
  • S = 0,01 bis 0,5 Gewichtsprozent
  • C = 0,1 bis 1,2 Gewichtsprozent.
A wettable powder of the following composition is gas atomized and applied to the cylinder surface by plasma spraying:
  • Fe = difference to 100 weight percent
  • Cr = 0.1 to 18.0 weight percent
  • Mn = 0.1 to 6.0 weight percent
  • S = 0.01 to 0.5 weight percent
  • C = 0.1 to 1.2 weight percent.

Vorzugsweise weist das Spritzpulver folgende Zusammensetzung auf:

  • Fe = Differenz auf 100 Gewichtsprozent
  • Cr = 0,1 bis 3,0 Gewichtsprozent
  • Mn = 0,3 bis 1,5 Gewichtsprozent
  • S = 0,05 bis 0,3 Gewichtsprozent
  • C = 0,8 bis 1,2 Gewichtsprozent.
The spray powder preferably has the following composition:
  • Fe = difference to 100 weight percent
  • Cr = 0.1 to 3.0% by weight
  • Mn = 0.3 to 1.5 weight percent
  • S = 0.05 to 0.3 weight percent
  • C = 0.8 to 1.2 weight percent.

Beispiel 2Example 2

Ein Spritzpulver der folgenden Zusammensetzung wird gasverdüst und durch Plasmaspritzen auf die Zylinderlauffläche aufgebracht:

  • Fe = Differenz auf 100 Gewichtsprozent
  • Cr = 12,0 bis 15,0 Gewichtsprozent
  • Mn = 0,3 bis 1,5 Gewichtsprozent
  • S = 0,05 bis 0,3 Gewichtsprozent
  • C = 0,35 bis 0,6 Gewichtsprozent.
A wettable powder of the following composition is gas atomized and applied to the cylinder surface by plasma spraying:
  • Fe = difference to 100 weight percent
  • Cr = 12.0 to 15.0 weight percent
  • Mn = 0.3 to 1.5 weight percent
  • S = 0.05 to 0.3 weight percent
  • C = 0.35 to 0.6 weight percent.

Die so erzeugten Schichten sind korrosionsbeständig gegenüber Schwefel- und Ameisensäure, d.h. Kondensaten die sich in Verbrennungskraftmaschinen bilden können.The layers thus produced are corrosion resistant to sulfuric and formic acids, i. Condensates that can form in internal combustion engines.

Die vorgeschlagenen Oberflächenschichten sowie die vorgeschlagenen Pulver eignen sich insbesondere zum direkten Aufbringen auf die Zylinderwandung von Motorblöcken, insbesondere von Motorblöcken aus Leichtmetall. Natürlich können auch in die Zylinderbohrung einzusetzende bzw. eingesetzte Einsatzbüchsen mit der vorgeschlagenen Oberflächenschicht versehen werden. Vorzugsweise wird das Spritzpulver mittels einer Plasmaspritzvorrichtung mit einem rotierenden Plasmatron aufgetragen.The proposed surface layers and the proposed powders are particularly suitable for direct application to the cylinder wall of engine blocks, in particular engine blocks made of light metal. Of course, also in the cylinder bore to be used or inserted insert bushings are provided with the proposed surface layer. The spray powder is preferably applied by means of a plasma spraying device with a rotating plasmatron.

Claims (12)

  1. A surface layer adapted to form a running surface on a cylinder wall, said surface layer comprising separate phases of components that are separated from the phase and phases, respectively, of the remaining surface materials,
    characterized in that
    said surface layer is formed by plasma spraying an iron containing spraying powder containing all components of the surface layer to be formed, said surface layer having the following composition:
    Fe = difference to 100% by weight
    Cr = 0,1 % to 18,0% by weight
    Mn = 0,1 % to 6,0% by weight
    S = 0,01 % to 0,5% by weight
    C = 0,1 % to 1,2% by weight, and
    containing one or more of the following components:
    As = 0,001 % to 0,1 % by weight
    Te = 0,001 % to 0,1 % by weight
    Se = 0,001 % to 0,1 % by weight
    Sb = 0,001 % to 0,1 % by weight
    Bi = 0,001 % to 0,1 % by weight, or
    Pb = 0,01 % to 0,5 % by weight.
  2. A surface layer according to claim 1, characterized in that said surface layer is applied directly to the cylinder wall.
  3. A surface layer according to claim 1, characterized in that said surface layer is applied to a cylinder sleeve means to be inserted or already inserted into a cylinder bore.
  4. A surface layer according to any one of the claims 1 to 3, characterized in that having the following composition:
    Fe = difference to 100% by weight
    Cr = 0,1 % to 3,0% by weight
    Mn = 0,3% to 1,5% by weight
    S = 0,05% to 0,3% by weight
    C = 0,8% to 1,2% by weight.
  5. A surface layer according to any one of the claims 1 to 3, characterized in that having corrosion resistive properties under the impact of sulfuric acid and formic acid and having the following composition:
    Fe = difference to 100% by weight
    Cr = 12,0 % to 15,0% by weight
    Mn = 0,3% to 1,5% by weight
    S = 0,05% to 0,3% by weight
    C = 0,35% to 0,6% by weight.
  6. A spraying powder for producing a surface layer according to claim 1, characterized in that
    said spraying powder containing all components of the surface layer to be formed, and said surface layer having the following composition:
    Fe = difference to 100% by weight
    Cr = 0,1 % to 18,0% by weight
    Mn = 0,1 % to 6,0% by weight
    S = 0,01 % to 0,5% by weight
    C = 0,1 % to 1,2% by weight, and
    containing one or more of the following components:
    As = 0,001 % to 0,1 % by weight
    Te = 0,001 % to 0,1 % by weight
    Se = 0,001 % to 0,1 % by weight
    Sb = 0,001 % to 0,1 % by weight
    Bi = 0,001 % to 0,1 % by weight, or
    Pb = 0,01 % to 0,5 % by weight.
  7. A spraying powder according to claim 6, characterized in that having the following composition:
    Fe = difference to 100% by weight
    Cr = 0,1 % to 3,0% by weight
    Mn = 0,3% to 1,5% by weight
    S = 0,05% to 0,3% by weight
    C = 0,8% to 1,2% by weight.
  8. A spraying powder according to claim 6 for producing a surface layer having corrosion resistive properties under the impact of sulfuric acid and formic acid, characterized in that having the following composition:
    Fe = difference to 100% by weight
    Cr = 12,0 % to 15,0% by weight
    Mn = 0,3% to 1,5% by weight
    S = 0,05% to 0,3% by weight
    C = 0,35% to 0,6% by weight.
  9. A spraying powder according to claim 6, characterized in that having a particle size of between 5 µm and 60 µm.
  10. A spraying powder according to claim 9, characterized in that having a particle size of between 10 µm and 45 µm.
  11. A method of producing a surface layer according to claim 1, characterized in that the spraying powder is deposited by using a rotating plasmatron.
  12. A method according to claim 11, characterized in that the spraying powder is atomized by means of gas.
EP01810455.4A 2000-06-14 2001-05-10 Surface layer for forming a running layer on a cylinder wall, coating powder therefor and process for producing such a surface layer Expired - Lifetime EP1174524B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01174/00A CH694664A5 (en) 2000-06-14 2000-06-14 By plasma spraying a powder spray applied iron-containing layer on a cylinder surface.
CH11742000 2000-06-14

Publications (3)

Publication Number Publication Date
EP1174524A2 EP1174524A2 (en) 2002-01-23
EP1174524A3 EP1174524A3 (en) 2009-03-11
EP1174524B1 true EP1174524B1 (en) 2016-12-21

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Country Status (8)

Country Link
US (1) US6578539B2 (en)
EP (1) EP1174524B1 (en)
JP (2) JP2002047550A (en)
KR (1) KR100596124B1 (en)
CA (1) CA2347980C (en)
CH (1) CH694664A5 (en)
ES (1) ES2619929T3 (en)
PT (1) PT1174524T (en)

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CA2347980C (en) 2004-12-07
EP1174524A2 (en) 2002-01-23
US20020011243A1 (en) 2002-01-31
EP1174524A3 (en) 2009-03-11
CH694664A5 (en) 2005-05-31
JP2002047550A (en) 2002-02-15
ES2619929T3 (en) 2017-06-27
JP2005325452A (en) 2005-11-24
KR100596124B1 (en) 2006-07-05
KR20010112649A (en) 2001-12-20
US6578539B2 (en) 2003-06-17
PT1174524T (en) 2017-01-23
CA2347980A1 (en) 2001-12-14

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