EP2576862A1 - Procédé de pulvérisation par gaz froid d'une couche avec une phase structurale métallique et une phase structurale en plastique, élément doté d'une telle couche et utilisations de cet élément - Google Patents

Procédé de pulvérisation par gaz froid d'une couche avec une phase structurale métallique et une phase structurale en plastique, élément doté d'une telle couche et utilisations de cet élément

Info

Publication number
EP2576862A1
EP2576862A1 EP11723024.3A EP11723024A EP2576862A1 EP 2576862 A1 EP2576862 A1 EP 2576862A1 EP 11723024 A EP11723024 A EP 11723024A EP 2576862 A1 EP2576862 A1 EP 2576862A1
Authority
EP
European Patent Office
Prior art keywords
plastic
layer
component
particles
coating
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
EP11723024.3A
Other languages
German (de)
English (en)
Other versions
EP2576862B1 (fr
Inventor
Jens Dahl Jensen
Oliver Stier
Raymond Ullrich
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP2576862A1 publication Critical patent/EP2576862A1/fr
Application granted granted Critical
Publication of EP2576862B1 publication Critical patent/EP2576862B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/12—Applying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0094—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with organic materials as the main non-metallic constituent, e.g. resin
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material

Definitions

  • the invention relates to a method for cold gas spraying of a layer on a substrate, accelerated in the coating particles with a convergent-divergent nozzle in a cold gas jet and deposited on the substrate.
  • the layer produced on a metallic first structural phase of a metal or a metal alloy and a second structural phase of a plastic.
  • the invention relates to a component, the one
  • a method and a component of the type specified is known for example from US 2007/0042218 AI.
  • the method used to make this layer is a cold gas spraying process.
  • particles of the matrix of the layer structure forming metal are so ⁇ as inter alia particles of a plastic material which is to form a soft Pha ⁇ se in the matrix are processed together by the cold gas spraying method.
  • the finished layer then exhibits a closed matrix of the metal, in which the individual particles of the soft plastic phase can be recognized.
  • the object of the invention is to specify a method for producing a layer with a metallic first structural phase and a second structural phase made of plastic, with which comparatively many different materials can be processed and the degree of filling of plastic in the layer produced in a comparatively large Range can be adjusted.
  • the coating particles according to the invention may themselves consist of a metal alloy, which is then deposited substantially in the composition of the particles in the layer.
  • the coating can also be mixed of different metals, said alloying then comes about during the layer forming process, a subsequent Heat Treatment ⁇ lung or during use.
  • thermoplastic fluorine ⁇ polymer is used as a plastic.
  • PTFE Teflon
  • PFA poly(ethylene glycol)
  • PFEP poly(ethylene glycol)
  • FTFE FTFE
  • ECTFE ECTFE
  • PVDF thermoplastic fluorine ⁇ polymer
  • Thermoplastic fluoropolymers have beneficial ⁇ way particularly good sliding properties, non-stick properties or hydrophobic properties and therefore are suitable for example suited as a dry lubricants.
  • these polymers are also relatively temperature stable, depending on the composition up to 400 ° C. They have a very high chemical resistance.
  • These properties can also be utilized in a composite material, as is the coating according to the invention. So crizspielswei ⁇ se nickel-PTFE composite coatings can be produced with the above angegebe- nen structural composition.
  • the coating particles an average particle forthcoming Trains t ⁇ diameter of at least 5 and at most 10 ym ym ym at least 7 and at most 8 ym, measured without having the envelope. It has been found that metallic particles of this size can be easily separated by cold gas spraying. On the other hand, they still have a size that is low enough, resulting in a fine distribution of the second structural phase
  • a further embodiment of the method according to the invention provides that the coating particles are coated with the base material before these are fed to the nozzle or one of these upstream stagnation chamber.
  • cold gas spraying processes particles that can be pre-assembled by specialized suppliers.
  • PTFE dispersions for coating
  • powders from Dyneon (3M) are offered.
  • the nature of the particles can be determined precisely, whereby the cold gas spraying can advantageously be carried out with particularly uniform layer results.
  • the coating particles without an envelope of the nozzle or one of these upstream stagnation chamber are supplied at the same time, a dispersion of plastic particles is fed (AI described in DE 10 2006 047 101), with the art ⁇ material particles to the coating particles deposit before they hit the substrate.
  • the liquid which forms the dispersion with the plastic particles evaporates, so that only the plastic particles adhere to the coating particles and thus form their coating.
  • the plastic particles should preferably have smaller dimensions than the coating particles whose part they are formed by attachment.
  • the plastic particles are nanoparticles. These can be advantageously processed particularly well as a dispersion.
  • Dispersions for plastics include, for example, dispersions with PTFE nanoparticles, which are available, for example, from the company Dycker. neon and are designated by the trade names PTFE 5032R, PTFE 5035R and PTFE 5050R.
  • the coating particles can be ground, for example, with PTFE powder, the particles of the plastic adhering to the coating particles.
  • the micropowder TF 9205 PTFE with a particle size of 8 ym in question, as it is sold by the company Dyneon.
  • the coating particles must be larger, so that an addition of the plastic particles with high yield is possible.
  • the above object is further achieved by a component in which the second structure phase of plastic in the layer is formed as a coherent network. This is made possible by the fact that the second structural phase made of plastic is applied as a coating of the coating particles forming the first structural phase of metal. This advantageously allows a very fine distribution of the plastic in the structure of the layer produced.
  • the first metallic phase structure is formed as a continuous matrix, with the matrix of the metallic phase structure and the network of the second structural phase plastic penetrate ge ⁇ genfact in each case.
  • the spatial structures are thus interlocked. This has the advantage that at the same time fine distribution of the second structural phase of plastic, a firm cohesion of the first Metalli ⁇ rule microstructure phase is guaranteed.
  • the spatial structure of the structural phases in the layer depends primarily on the parameters of the production of the layer according to the invention. If the layer is produced on the component by cold gas spraying, for example, the kinetic energy with which the coating particles are sprayed can be changed.
  • the coating particles do not deform as much when impinging on the component so that the casing is largely retained, and so forms a coherences constricting network, which at least largely surrounds the coating particles.
  • Which tung particles from the coating-forming first metallic phase structure is as ⁇ forth substantially non-contiguous. To the first metallic structure phase as coherent
  • the kinetic energy can be increased, with which the coating particles are processed.
  • the plastic of the casing upon impact of the coating particles is displaced more on the component or even partially evaporated due to the strong local increase so that adjacent metallic coating saving ⁇ Tikel cake and thereby a total of a coherent matrix is formed.
  • ⁇ the particle remains play, outside the impact zone overall cient plastic material of the coating left, so that it can also form a coherent network.
  • Another way to influence the layer composition and the formation of the structural phases is to modify the thickness of the envelope.
  • the component can advantageously be used as a bearing component of a sliding bearing.
  • components are meant insbeson ⁇ particular flow around a liquid or gaseous medium.
  • the layer of the invention is advantageous because it reduces the tendency to adhere ice or dirt, the surfaces formed are easy to clean, and by lower friction, for example, abrasive particles and the wear is reduced because the surface of the inventive layer excellent tribological intrinsic ⁇ has shafts.
  • the risk of corrosive ⁇ on environmental influences decreases because z.
  • Raindrop beads and therefore can not train local elements that would favor, for example, a pitting corrosion.
  • As possible flow components are rotor blades of wind power ⁇ plants and body parts of transport to call.
  • the term "means of transport" is to be understood broadly, meaning vehicles, aircraft, ships and trains alike.
  • FIG 1 shows an embodiment of the invention
  • FIGS. 2 and 3 show exemplary embodiments of coating particles, such as can be used in the process according to the invention, as cross sections and FIGS.
  • the cold gas spraying process according to the invention can be carried out with a cold gas spraying nozzle 11 according to FIG.
  • This has a convergent section 12 and a divergent section 13 and a throat 14.
  • Such a nozzle is called a convergent-divergent nozzle.
  • the convergent portion 12 of the cold spray nozzle 11 is in communication with a Stag ⁇ tion chamber 15, open into the different supply pipes.
  • a particle feed tube 16 for coating particles 17 opens centrally into the stagnation chamber. Furthermore, a ring of Suspensionszu Foodrohren 18 in the stagnation chamber is arranged through which a suspension consisting of a flowable slurries ⁇ onskar, for example water, and plastic particles, in Direction of the indicated arrows 19 can be introduced into the stagnation chamber. The dispersion mixes with the coating particles 17, so that the plastic particles 20 can be deposited on the coating particles 17 and thereby form an envelope 21 ( Figure 3).
  • the coating particles 17, as shown in Figure 2 is to take ent ⁇ , but first of which the plastics particles 20 wetted dispersion 22nd However, the dispersing agent evaporates very quickly at the latest after the expansion of the cold gas stream in the diver ⁇ divergent portion 13 of the nozzle 11 so that the Parti ⁇ kel 17 left from the plastic particles 20 with the sheath 21st
  • the plastic particles 20 have dimensions in the nanometer range, while the metallic portions of the coating particles 17 have an average diameter of approximately 8 ⁇ m.
  • a component 23 according to FIG. 4 consists of a substrate 24 on which a layer 25 is deposited.
  • the layer 25 has a first structural phase of metal 26, which is embedded in a second structural phase 27 made of plastic.
  • the Ge ⁇ add phase 27 made of plastic thus forming a linked ⁇ of the network in the layer 25.
  • the layer is composed of something ⁇ DERS 25th
  • the coating particles form a coherent matrix so that the first metalli ⁇ specific structural phase 26 produces a coherent network. This is penetrated by the network of the second structure phase 27 made of plastic, so that both structural phases are entangled, so to speak, or interwoven with each other in other words.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Sliding-Contact Bearings (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

L'invention concerne un procédé de pulvérisation par gaz froid d'une couche. A cette fin, des particules (17) de revêtement sont accélérées dans une buse de pulvérisation à froid (11), et selon l'invention, ces particules (17) sont dotées d'un enrobage en plastique. De cette façon, le plastique est déposé conjointement avec la matière métallique sur le substrat, moyennant quoi il se forme en particulier des compositions de couche avec de bonnes propriétés de glissement, propriétés anti-salissures ou propriétés de lubrification. L'invention concerne également un tel revêtement, ainsi que les utilisations d'un tel revêtement en tant qu'élément de palier d'un palier lisse, en tant qu'élément d'écoulement, en particulier en tant que pale de rotor d'éoliennes ou pièces de carrosserie de moyens de transport, ou en tant qu'éléments de revêtement de bâtiments.
EP11723024.3A 2010-05-31 2011-05-20 Procédé pour la projection dynamique à froid d'une couche ayant une phase métallique et une phase polymère Not-in-force EP2576862B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010022593A DE102010022593A1 (de) 2010-05-31 2010-05-31 Verfahren zum Kaltgasspritzen einer Schicht mit einer metallischen Gefügephase und einer Gefügephase aus Kunststoff, Bauteil mit einer solchen Schicht sowie Verwendungen dieses Bauteils
PCT/EP2011/058286 WO2011151205A1 (fr) 2010-05-31 2011-05-20 Procédé de pulvérisation par gaz froid d'une couche avec une phase structurale métallique et une phase structurale en plastique, élément doté d'une telle couche et utilisations de cet élément

Publications (2)

Publication Number Publication Date
EP2576862A1 true EP2576862A1 (fr) 2013-04-10
EP2576862B1 EP2576862B1 (fr) 2017-11-15

Family

ID=44314610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11723024.3A Not-in-force EP2576862B1 (fr) 2010-05-31 2011-05-20 Procédé pour la projection dynamique à froid d'une couche ayant une phase métallique et une phase polymère

Country Status (5)

Country Link
US (1) US9610605B2 (fr)
EP (1) EP2576862B1 (fr)
CN (1) CN102918181B (fr)
DE (1) DE102010022593A1 (fr)
WO (1) WO2011151205A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022593A1 (de) 2010-05-31 2011-12-01 Siemens Aktiengesellschaft Verfahren zum Kaltgasspritzen einer Schicht mit einer metallischen Gefügephase und einer Gefügephase aus Kunststoff, Bauteil mit einer solchen Schicht sowie Verwendungen dieses Bauteils
BR112013000747B1 (pt) * 2010-07-15 2020-09-29 Commonwealth Scientific And Industrial Research Organisation Método para proteger uma superfície do polímero contra incrustação, superfície do polímero e compósito de polímero tendo uma propriedade de superfície funcionalizada
DE102011052118A1 (de) * 2011-07-25 2013-01-31 Eckart Gmbh Verfahren zum Aufbringen einer Beschichtung auf einem Substrat, Beschichtung und Verwendung von Partikeln
CN102814270B (zh) * 2012-08-22 2014-07-09 天津东汽风电叶片工程有限公司 风电叶片油漆涂层的一次性整体喷涂方法及喷漆专用工装
EP2781616A1 (fr) * 2013-03-19 2014-09-24 ALSTOM Technology Ltd Procédé de revêtement d'un composant d'une turbomachine et composant revêtu pour une turbomachine
EP3131684B1 (fr) * 2014-04-15 2019-05-22 Commonwealth Scientific and Industrial Research Organisation Procédé de production d'une préforme à l'aide d'une pulvérisation à froid
WO2018130615A1 (fr) 2017-01-13 2018-07-19 Universitat De Barcelona Procédé d'obtention d'un revêtement dense résistant à l'usure hydrophobe et glaciophobe au moyen d'une technique de pulvérisation de gaz froid
DE102019205745A1 (de) * 2019-04-18 2020-10-22 Ecocoat Gmbh Beschichtetes abrasives Werkzeug und Verfahren zum Herstellen desselben
CN111390162B (zh) * 2020-05-07 2022-01-11 上海凯林新技术实业公司 一种铝包覆聚四氟乙烯粉材制备及其应用方法

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DE19959515A1 (de) 1999-12-09 2001-06-13 Dacs Dvorak Advanced Coating S Verfahren zur Kunststoffbeschichtung mittels eines Spritzvorganges, eine Vorrichtung dazu sowie die Verwendung der Schicht
DE10300966B4 (de) 2003-01-14 2007-05-03 Daimlerchrysler Ag Gleitschicht, deren Verwendung und Verfahren zu deren Herstellung
AT413034B (de) 2003-10-08 2005-10-15 Miba Gleitlager Gmbh Legierung, insbesondere für eine gleitschicht
EP1707650A1 (fr) 2005-03-31 2006-10-04 Siemens Aktiengesellschaft Matrice et système de couches
DE102005047688C5 (de) 2005-09-23 2008-09-18 Siemens Ag Kaltgasspritzverfahren
DE102006019900A1 (de) 2006-04-28 2007-11-08 Siemens Ag Piezoaktor mit Gradient-Verkapselungsschicht und Verfahren zu seiner Herstellung
DE102006021260A1 (de) * 2006-05-03 2007-11-15 Siemens Ag Bauteil mit in dessen Gefügematrix eingelagerten Nanopartikeln
DE102006047101B4 (de) 2006-09-28 2010-04-01 Siemens Ag Verfahren zum Einspeisen von Partikeln eines Schichtmaterials in einen Kaltgasspritzvorgang
DE102007046386B3 (de) 2007-09-21 2008-10-02 Siemens Ag Verfahren zur Reparatur eines Bauteils durch Beschichten
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AT511434B1 (de) 2012-01-16 2012-12-15 Miba Gleitlager Gmbh Gleitlager

Also Published As

Publication number Publication date
DE102010022593A1 (de) 2011-12-01
CN102918181B (zh) 2015-05-27
US9610605B2 (en) 2017-04-04
EP2576862B1 (fr) 2017-11-15
WO2011151205A1 (fr) 2011-12-08
CN102918181A (zh) 2013-02-06
US20130078450A1 (en) 2013-03-28

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