EP0256049B1 - Procede de fabrication, sur une piece metallique, d'une couche resistant a l'usure, contenant du carbure de titane - Google Patents

Procede de fabrication, sur une piece metallique, d'une couche resistant a l'usure, contenant du carbure de titane Download PDF

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Publication number
EP0256049B1
EP0256049B1 EP87900795A EP87900795A EP0256049B1 EP 0256049 B1 EP0256049 B1 EP 0256049B1 EP 87900795 A EP87900795 A EP 87900795A EP 87900795 A EP87900795 A EP 87900795A EP 0256049 B1 EP0256049 B1 EP 0256049B1
Authority
EP
European Patent Office
Prior art keywords
alloy
weight
percent
heat treatment
percentage
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.)
Revoked
Application number
EP87900795A
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German (de)
English (en)
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EP0256049A1 (fr
Inventor
Hans-Theo Steine
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.)
ECG Immobilier SA
Original Assignee
Castolin SA
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Application filed by Castolin SA filed Critical Castolin SA
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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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating 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
    • 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
    • C23C4/129—Flame spraying
    • 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
    • C23C4/18—After-treatment
    • 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
    • Y10S428/937—Sprayed metal
    • 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.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12576—Boride, carbide or nitride component

Definitions

  • the present invention relates to a method for producing a wear-resistant layer on a metallic base body, in which a material in the form of sintered, agglomerated particles or alloy particles with a grain size of -150 / + 37 microns, which contain 10-50 weight percent TiC and im others consist of an Fe and / or Ni alloy or a Co alloy, is sprayed on by autogenous flame spraying in a thickness of at least 1 mm and the sprayed-on layer is then subjected to a heat treatment in the temperature range of 400-650 ° C, such that the layer after the heat treatment has a lamella structure with lamellae corresponding to the particle size.
  • the publication DE -A- 2208070 describes a method in which a metallic base body is provided with a thin, wear-resistant layer of up to a maximum of about 0.635 mm thick, the spraying being carried out by plasma flame spraying and the material used having a grain size of, for example, the order of magnitude. 44 / + 88 ⁇ m.
  • the layer is spray-quenched when sprayed on thanks to the cooling effect of the base body, and this results in a microstructure consisting of titanium carbide grains dispersed in a base material, the base material being formed by an austenite conversion product containing martensite. Even without further heat treatment, this leads to a relatively hard layer in which rounded titanium carbide grains are present as a result of the plasma spraying process.
  • the layers that can be produced in this way are very limited in their thickness, preferably from 0.381 mm to 0.254 mm and 0.127 mm, since otherwise the structure mentioned would result in very high internal stresses.
  • the small thickness corresponds to an equally limited lifespan.
  • the mechanical machinability is also very limited and the elasticity of the layer is extremely low due to the small grain size of the spray material and the structure made up of the smallest lamellae.
  • Wear-resistant coatings which were produced by flame spraying without melting and have a high hardness due to the incorporation of hard materials such as carbides, silicides, borides etc., or consist of hard alloys, show a strong sensitivity to crack formation due to the occurrence of internal stresses in the layer.
  • the achievable layer thickness is very limited.
  • the object of the invention is to provide a method for producing wear-resistant layers of great hardness, with the layers can be produced with a significantly longer life than that of the known layers and which also enables mechanical processing after spraying and is relatively problem-free with regard to internal stresses in the layer.
  • the layer material is melted practically homogeneously in the autogenous flame during the spraying process, the titanium carbide being dissolved in the matrix alloy.
  • the layer of austenitic character obtained in this way can be machined well.
  • the titanium carbide is then separated out in a very fine-grained and evenly distributed manner.
  • the layer has a lamellar structure with relatively large lamellae corresponding to the particle size, which results in greater elasticity of the layer. It should also be noted that the coefficient of expansion of the layer is very close to the coefficient of expansion of the matrix alloy.
  • a wear-resistant layer of 1.8 mm thickness was then also applied to the adhesive layer by autogenous Flame spraying with the usual parameters, applied without subsequent melting, whereby the composition of the wettable powder, in percent by weight, and the grain size were as follows: 33.0 TiC with a matrix alloy of 0.9 C, 1.0 Cr, 0.3 Cu, 0.5 Mo, 1.9 Mn, 1.0 Si, 0.2 V, balance Fe. Grain size -150 / + 37 ⁇ m.
  • the coated shaft was machined and brought to the finished size. It was then kept in a muffle furnace at 550 ° C. for five hours. The hardness of the coated shaft had a value of 420 Hv after the mechanical processing, and a hardness of 640 Hv was measured after the heat treatment.
  • the sliding surface of 100 x 100 mm of a sliding plate of 50 mm thickness was coated in the following way. After preparing the sliding surface by blasting with corundum, the plate was preheated to 100 ° C. and then an adhesive layer of 0.1 mm thick was applied. A commercially available adhesive layer powder (Castolin 51000) was applied by autogenous flame spraying.
  • a wear-resistant layer of 1.2 mm thickness was then also applied by autogenous flame spraying without subsequent melting, the composition of the wettable powder (grain size -150 / + 37 ⁇ m) in percent by weight being as follows: 32% TiC in a matrix alloy of 0.2 C, 0.5 Cr, 0.5 Cu, 6.0 Mo, 15.0 Ni, 0.7 Al, 9.0 Co, 0.7 Ti, 0.1 Nb, rest Fe.
  • the coated surface was machined.
  • the slide plate was then treated in a protective gas oven at 450 ° C. for four hours.
  • the hardness of the sliding surface before the thermal treatment was 450 Hv
  • the hardness measured after the heat treatment was 650 Hv.
  • An axis of 40.0 mm in diameter was treated in the following manner to achieve high wear resistance.
  • the axis was provided with a wear-resistant layer of 1.5 mm thickness by autogenous flame spraying under the usual working conditions, the composition of the spraying material in weight percent being chosen as follows: 33.0 TiC in a matrix alloy of 0.35 C, 2.0 Cr, 1.0 Cu, 2.0 Mo, balance Fe.
  • the grain size was in the range -150 / + 37 ⁇ m.
  • the surface was then machined and brought to the desired finished size by grinding, the surface layer retaining a thickness of 1 mm.
  • the finished part was held in a muffle furnace at 500 ° C. for five hours.
  • the hardness of the layer before the heat treatment was 400 Hv, after the heat treatment a hardness of 680 Hv was measured.
  • a wear part with the dimensions 200 x 60 x 30 mm was coated on one of the areas of 200 x 60 mm in the following manner.
  • the surface to be coated was prepared by blasting with corundum, on this surface a powdery spray material of grain size -150 / + 37 ⁇ m was made, in percent by weight, 16.5 TiC with a matrix alloy of 0.5 C, 14.0 Cr, 0 , 5 Cu, 14.0 Mo, 3.5 W, balance Ni applied by autogenous flame spraying without subsequent melting under normal conditions.
  • the wear-resistant layer had a thickness of 2.2 mm and was then machined, the thickness of the layer being 2.0 mm was brought.
  • the wearing part was then kept in a muffle furnace at 450 ° C. for five hours. The hardness was 380 Hv before the heat treatment and rose to 550 Hv after the heat treatment.
  • Example 4 The procedure of Example 4 was repeated analogously with a spray material of the composition, in percent by weight, 20.0 TiC in a matrix alloy of 0.5 C, 14.0 Cr, 0.5 Cu, 14.0 Mo, 5.0 W, Rest Co. The hardness of the heat-treated part reached 530 Hv.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

Une matière frittée, contenant des particules agglomérées ou des particules alliées contenant 10-50% en poids de carbure de titane et un alliage de fer et/ou de nickel ou un alliage de cobalt, est déposée par pulvérisation à la flamme sur une épaisseur d'au moins 1 mm. Elle est soumise ensuite à un traitement thermique à une température comprise entre 400 et 650°C après un éventuel façonnage mécanique. Le procédé permet la fabrication de couches résistant à l'usure, de dureté élevée et d'épaisseur relativement grande, assurant une longue durée, évitant les tensions intérieures et donnant la possibilité d'un façonnage mécanique après la pulvérisation.

Claims (10)

1. Procédé de fabrication, sur une pièce de base métallique, d'une couche résistant à l'usure, selon lequel un matériau, en forme de particules agglomérés frittés ou de particules d'alliage d'une granulométrie de -150/+37 µm qui contiennent 10 à 15 pourcent en poids de TiC et sont constituées pour le reste d'un alliage de Fe et/ou de Ni ou d'un alliage de Co, est projeté par projection à la flamme autogène dans une épaisseur d'au moins 1 mm, et selon lequel la couche réalisée par projection subit ensuite un traitement thermique dans le domaine de température de 400 à 650 °C de telle façon que la couche présente, après le traitement thermique, une structure lamellaire à lamelles correspondant à la taille des particules.
2. Procédé selon la revendication 1, caractérisé en ce que l'alliage de Fe et/ou de Ni contient au moins deux adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0-1 C, 0-25 Cr, 0-20 Mo, 0-15 Co, 0-2 Cu, 0-2 Al, 0-1,5 Nb, 0-1 V, 0-2 Ti, 0-4 W, 0-2 Si.
3. Procédé selon la revendication 1, caractérisé en ce que les particules contiennent 30 à 35 pourcent en poids de TiC et sont constituées pour le reste d'un alliage de Fe contenant au moins deux adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0,1-0,8 C, 2-22 Cr, 0,1-4 Mo, 0,5-2 Cu, 0-1 Al, 0-0,5 V, 0-1 Ti, 0-2 Mn, 0-1,5 Si, 0-1 Ni.
4. Procédé selon la revendication 1, caractérisé en ce que les particules contiennent 20 à 30 pourcent en poids de TiC et sont constituées pour le reste d'un alliage de Fe qui contient au moins deux adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0-0,8 C, 0-20 Cr, 2-15 Mo, 0-15 Co, 0,5-1 Cu, 0-1,5 Al, 0-1 Nb, 0-1 Ti, 5-16 Ni.
5. Procédé selon la revendication 2, caractérisé en ce que les particules contiennent 15 à 33 pourcent en poids de TiC et sont constituées pour le reste d'un alliage de Ni comprenant des adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0-0,5 C, 14-25 Cr, 2-16 Mo, 0-1 Cu, 0-1 Al, 0-1 Nb, 0-2 Ti, 0-3,5 W.
6. Procédé selon la revendication 1, caractérisé en ce que l'alliage de Co contient au moins deux adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0-1 C, 0-25 Cr, 0-20 Mo, 0-2 Mn, 0-2 Cu, 0-2 Al, 0-1,5 Nb, 0-1 V, 0-2 Ti, 0-5 W, 0-2 Si.
7. Procédé selon la revendication 6, caractérisé en ce que les particules contiennent 15 à 33 pourcent en poids de TiC et sont constituées pour le reste d'un alliage de Co qui contient des adjonctions d'alliage parmi les éléments suivants et dans les domaines de pourcentage en poids indiqués :
0-1 C, 14-25 Cr, 2-16 Mo, 0-1 Cu, 0-1 Al, 0-1 Nb, 0-2 Ti, 0-5 W.
8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que l'alliage contient une adjonction de moins de 3 pourcent, de préférence de moins de 1 pourcent en poids de ZrO₂.
9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que le traitement thermique est effectué dans le domaine de température de 400 à 600 °C pendant une durée de traitement de 1 à 10 heures.
10. Procédé selon la revendication 9,caractérisé en ce que le traitement thermique est effectué dans le domaine de température de 450 à 550 °C pendant une durée de traitement de 1 à 5 heures.
EP87900795A 1986-02-04 1987-02-04 Procede de fabrication, sur une piece metallique, d'une couche resistant a l'usure, contenant du carbure de titane Revoked EP0256049B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH425/86 1986-02-04
CH425/86A CH670103A5 (fr) 1986-02-04 1986-02-04

Publications (2)

Publication Number Publication Date
EP0256049A1 EP0256049A1 (fr) 1988-02-24
EP0256049B1 true EP0256049B1 (fr) 1991-12-04

Family

ID=4186733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87900795A Revoked EP0256049B1 (fr) 1986-02-04 1987-02-04 Procede de fabrication, sur une piece metallique, d'une couche resistant a l'usure, contenant du carbure de titane

Country Status (5)

Country Link
US (1) US4806394A (fr)
EP (1) EP0256049B1 (fr)
CH (1) CH670103A5 (fr)
DE (1) DE3774956D1 (fr)
WO (1) WO1987004732A1 (fr)

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Publication number Priority date Publication date Assignee Title
US5035957A (en) * 1981-11-27 1991-07-30 Sri International Coated metal product and precursor for forming same
JPH0778242B2 (ja) * 1993-02-12 1995-08-23 日本ユテク株式会社 耐摩耗性複合金属部材の製造方法
US6048586A (en) * 1996-06-05 2000-04-11 Caterpillar Inc. Process for applying a functional gradient material coating to a component for improved performance
US6087022A (en) * 1996-06-05 2000-07-11 Caterpillar Inc. Component having a functionally graded material coating for improved performance
DE19640788C1 (de) * 1996-10-02 1997-11-20 Fraunhofer Ges Forschung Beschichtungspulver und Verfahren zu seiner Herstellung
DE19640787C1 (de) * 1996-10-02 1998-04-16 Fraunhofer Ges Forschung Verschleißfeste Teile für Prozeßventile
US5798002A (en) * 1996-12-02 1998-08-25 Gugel; Saveliy M. Method of and device for producing carbide and carbon solid solution containing surface layers
ES2258158T3 (es) 2001-12-04 2006-08-16 Magotteaux International S.A. Piezas de fundicion con una resistencia incrementada al desgaste.
JP2004359998A (ja) * 2003-06-04 2004-12-24 Hitachi Ltd 化合物粒子分散合金層を有する金属部材の製造方法及び摺動部材
DE502005009857D1 (de) * 2004-01-28 2010-08-19 Ford Global Tech Llc Durch thermisches spritzen aufgebrachte eisenhaltige schicht einer gleitfläche, insbesondere für zylinderlaufflächen von motorblöcken
AU2012362827B2 (en) 2011-12-30 2016-12-22 Scoperta, Inc. Coating compositions
WO2015167769A1 (fr) * 2014-04-30 2015-11-05 Oerlikon Metco (Us) Inc. Revêtement de carbure de titane et procédé de fabrication
MY190226A (en) * 2014-07-24 2022-04-06 Oerlikon Metco Us Inc Hardfacing alloys resistant to hot tearing and cracking
CN108350528B (zh) 2015-09-04 2020-07-10 思高博塔公司 无铬和低铬耐磨合金
CN113195759B (zh) 2018-10-26 2023-09-19 欧瑞康美科（美国）公司 耐腐蚀和耐磨镍基合金

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Publication number Priority date Publication date Assignee Title
DE3035144A1 (de) * 1980-05-16 1981-11-26 Metallurgical Industries, Inc., Tinton Falls, N.J. Erosionsfeste auftraglegierung

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FR1357986A (fr) * 1963-05-21 1964-04-10 Soudure Electr Autogene Procédé d'application d'un recouvrement de matières sur une pièce par pulvérisation
US3617358A (en) * 1967-09-29 1971-11-02 Metco Inc Flame spray powder and process
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GB2050424B (en) * 1979-05-09 1983-06-15 Special Metals Corp Nickel-cobalt-chromium base alloy
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Publication number Priority date Publication date Assignee Title
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Non-Patent Citations (1)

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Title
Patent Abstracts of Japan, Vol. 9, No. 160 (C-289)(1883), 04 July 1985 & JP,A,6033364 (KOUEI SEIKOU K.K.) 20 February 1985 *

Also Published As

Publication number Publication date
EP0256049A1 (fr) 1988-02-24
WO1987004732A1 (fr) 1987-08-13
CH670103A5 (fr) 1989-05-12
US4806394A (en) 1989-02-21
DE3774956D1 (de) 1992-01-16

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