EP4023347A1 - Dispositif de revêtement d'une pièce d'au moins un polymère haute performance et procédé de revêtement - Google Patents

Dispositif de revêtement d'une pièce d'au moins un polymère haute performance et procédé de revêtement Download PDF

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Publication number
EP4023347A1
EP4023347A1 EP22151781.6A EP22151781A EP4023347A1 EP 4023347 A1 EP4023347 A1 EP 4023347A1 EP 22151781 A EP22151781 A EP 22151781A EP 4023347 A1 EP4023347 A1 EP 4023347A1
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EP
European Patent Office
Prior art keywords
radiation
workpiece
coating
performance polymer
radiation source
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.)
Pending
Application number
EP22151781.6A
Other languages
German (de)
English (en)
Inventor
Hendrik SÄNDKER
Jochen Stollenwerk
Jörg Zerrer
Anna Buling
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
ELB Eloxalwerk Ludwigsburg Helmut Zerrer GmbH
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
ELB Eloxalwerk Ludwigsburg Helmut Zerrer GmbH
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
Priority claimed from DE102018103967.0A external-priority patent/DE102018103967A1/de
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV, ELB Eloxalwerk Ludwigsburg Helmut Zerrer GmbH filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP4023347A1 publication Critical patent/EP4023347A1/fr
Pending legal-status Critical Current

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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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0209—Multistage baking
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating

Definitions

  • the invention is based on a device for coating a workpiece with at least one high-performance polymer according to the preamble of claim 1 and a coating method according to the preamble of claim 4.
  • the essential Functional requirements addressed with these coatings include wear and corrosion protection, friction reduction, temperature resistance and electrical insulation.
  • the high-performance polymer polyetheretherketone (PEEK) is excellently suited to meeting the requirements mentioned due to its material properties and is already used industrially ( E. Spyrou.: Powder coatings. Chemistry and technology 3., rev. ed. Hanover 2012 ).
  • Conventional coating processes for this material primarily include powder-based layer application with subsequent melting of the applied layer using an oven process and powder flame spraying.
  • the polymer is applied to the workpiece in powder form by means of electrostatic coating or as a dispersion or spray application.
  • electrophoretic coating I Corni, N Neumann, D Eifler, AR Boccaccini: Polyetheretherketone (PEEK) coatings on stainless steel by electrophoretic deposition. In: Advanced Engineering Materials 10 (2008) 6, pp. 559-64 .) or printing process (e.g. screen printing).
  • the workpiece is heated in an oven to temperatures of typically 380 to 420 °C so that the PEEK layer is completely melted. Typically used heating rates are in the order of 10 K/min and holding times in the order of 30 minutes up to a few hours.
  • the coated workpiece is then cooled in a controlled manner. The cooling rates chosen for this depend on the material used and the mass of the workpiece.
  • the coating material is applied to the workpiece using thermal spraying.
  • the powder is guided through a flame in a gas stream to melt it and applied in layers in the molten phase to the component. It is not absolutely necessary to preheat the workpiece to be coated, but it can help to improve the coating properties.
  • Victrex Europa GmbH Victrex Europa GmbH: Product brochure Vicote Flame Spray 702/705 Coatings. Quick 10 Step Guide For Optimum Results 2016
  • the workpiece to be coated must be preheated to 230 °C in order to achieve optimal adhesion and flow properties.
  • Laser-based coating processes such as e.g. B. that in the pamphlet DE 693 00 501 T2 disclosed laser cladding, or that in the reference EP 1 932 928 B1 disclosed laser peening, are prior art.
  • the coating material is applied to a workpiece, the workpiece being coated or the coating being compacted by means of simultaneous irradiation of a single laser.
  • the pamphlet EP 2 969 256 B1 discloses a method of applying an anti-friction coating to a piston assembly using high performance polymers such as PEEK as the coating material.
  • the coating material is cured in two subsequent steps using IR, UV or induction radiation.
  • the character of the radiation with regard to monochromaticity, coherence or generation method is not defined in more detail.
  • the invention is therefore based on the object of providing a device for coating a workpiece with at least one high-performance polymer and a coating method which eliminate the disadvantages described above.
  • the object is achieved by the device for coating a workpiece with at least one high-performance polymer having the features of patent claim 1 and the coating method having the features of patent claim 4 .
  • the object is achieved by means of a device for coating a workpiece with at least one high-performance polymer, which has at least two radiation sources.
  • This is preferably a device for coating a workpiece with at least one high-performance polymer that preferably provides wear and corrosion protection, friction reduction, temperature resistance and/or electrical insulation, which has at least two radiation sources.
  • the first radiation source is adapted to emit radiation of a first wavelength, which is adapted to be primarily absorbed by the workpiece and/or that the second radiation source is adapted to emit radiation of a second wavelength, which is primarily adapted to be absorbed by the workpiece high-performance polymer is adapted and/or that a measuring device is provided for the contactless measurement of thermal radiation from the workpiece and the at least one high-performance polymer, the measuring device preferably being designed to regulate the power of the two radiation sources to a constant value for the thermal radiation emitted by the workpiece and high-performance polymer, or to control.
  • the object is achieved by means of a method in which the process energy required for coating a workpiece with at least one high-performance polymer is at least partially generated by at least two radiation sources.
  • a coating method is preferably provided, in particular by means of a coating device according to one of Claims 1 to 3, in which the process energy required for coating a workpiece with at least one high-performance polymer which preferably provides wear and corrosion protection, friction reduction, temperature resistance and/or electrical insulation is at least partially at least two radiation sources are generated.
  • the first radiation source emits radiation of a first wavelength, which is adapted for priority absorption by the workpiece and/or that the second radiation source emits radiation of a second wavelength, which is adapted for priority absorption by the high-performance polymer, and/ or that a measuring device for the contactless measurement of thermal radiation of the workpiece and the at least one high-performance polymer carries out such a measurement, the measuring device preferably carrying out the measurement without contact and/or the power of the two radiation sources is regulated to a constant value of the thermal radiation emitted by the workpiece and high-performance polymer or controls.
  • the device according to the invention for coating a workpiece with at least one high-performance polymer having the features of claim 1 has the advantage over the prior art that the device has at least two radiation sources. During coating, these can be used at the same time or one after the other at different times.
  • the radiation from at least one radiation source is at least partially coherent.
  • At least one radiation source is a laser.
  • the radiation from the radiation source is completely coherent.
  • another radiation source is used, which generates, for example, infrared radiation, ultraviolet radiation, induction radiation, microwave radiation or particle radiation (X-rays or gamma radiation).
  • the wavelength of the radiation from at least one radiation source is in the wavelength range from 400 to 3000 nm.
  • the wavelength of the radiation from at least one radiation source is in the wavelength range from 4000 to 12000 nm.
  • the radiation from at least one radiation source is continuous or pulsed.
  • the high-performance polymer can be completely melted in order to achieve a homogeneous or porous coating.
  • the intensity of the radiation from at least one radiation source can be regulated.
  • the power of at least one radiation source can thus also be adapted to the requirements.
  • the radiation from at least one radiation source has a wavelength at which the degree of absorption of at least one high-performance polymer is as large as possible.
  • the radiation is primarily only absorbed by the high-performance polymer, which targeted setting or targeted regulation of the temperature of the high-performance polymer is possible.
  • the radiation from at least one radiation source has a wavelength at which the degree of absorption of the workpiece is as large as possible.
  • the radiation is primarily only absorbed by the workpiece, as a result of which it is possible to set or regulate the temperature of the workpiece in a targeted manner.
  • the device has at least one fixed lens system.
  • the radiation from at least one radiation source is guided at least partially onto the workpiece through fixed optics.
  • Fixed optics have the advantage that the accuracy of the beam guidance can be optimized.
  • the device has at least one scanner system for guiding the radiation.
  • the radiation from at least one radiation source is at least partially guided over the workpiece by a scanner system. It is thus possible to scan the workpiece with the radiation and thus to irradiate as many desired locations as possible on the workpiece, even if the workpiece has a complex geometry.
  • the device has at least one measuring device for measuring thermal radiation and/or temperature.
  • the temperature or the thermal radiation is preferably measured without contact, for example by means of a pyrometer or an infrared camera.
  • the device has at least one positioning device. This allows the workpiece positioned in the required position before processing or moved during processing.
  • the device has at least one application device for applying at least one high-performance polymer to the workpiece.
  • the application of the high-performance polymer to the workpiece and the subsequent melting of the high-performance polymer can be accomplished by the same machine.
  • the coating method according to the invention with the features of claim 15 has the advantage that the process energy required for coating a workpiece with at least one high-performance polymer is at least partially generated by at least two radiation sources. At least two radiation sources are used at the same time or one after the other with a time delay.
  • At least one high-performance polymer is applied to the workpiece in a preceding method step.
  • the high-performance polymer which is preferably a polymer powder, is applied to the workpiece, for example, as a powder-based dispersion by means of electrostatic spraying or as a preferably water-based dispersion by means of spraying, pressure, dipping, or doctor blade methods.
  • At least one radiation source emits at least partially coherently.
  • a laser is used as at least one radiation source.
  • the radiation from the radiation source is completely coherent.
  • another radiation source is used, which generates, for example, infrared radiation, ultraviolet radiation, induction radiation, microwave radiation or particle radiation (X-rays or gamma radiation).
  • At least one radiation source radiates in the wavelength range from 400 to 3000 nm.
  • At least one radiation source radiates in the wavelength range from 4000 to 12000 nm.
  • the radiation from at least one radiation source is modulated in terms of time and/or location.
  • the radiation can thus be continuous, pulsed, of increasing intensity and/or decreasing intensity.
  • the intensity of at least one radiation source is regulated during the coating.
  • a continuous change and/or switching of the radiation during the coating from continuous, pulsed, increasing intensity and/or decreasing intensity is thus possible.
  • At least one radiation source is regulated in such a way that a constant temperature is present on the surface of the workpiece.
  • the radiation from at least one radiation source is primarily absorbed by at least one high-performance polymer. This makes it possible to set or regulate the temperature of the high-performance polymer in a targeted manner.
  • the radiation from at least one radiation source is primarily absorbed by the workpiece. This enables targeted setting or targeted regulation of the temperature of the workpiece.
  • the radiation from at least one radiation source is at least partially guided onto the workpiece by means of fixed optics.
  • Fixed optics have the advantage that the accuracy of the beam guidance can be optimized.
  • the radiation from at least one radiation source is at least partially guided over the workpiece by means of a scanner system.
  • the process of radiation using a scanner system allows the point at which the radiation hits to be varied, so that the workpiece can be scanned with the radiation and thus irradiation of as many desired points as possible on the workpiece is possible, even if the workpiece has a complex geometry .
  • the thermal radiation of the workpiece and/or at least one high-performance polymer is measured without contact. This is possible, for example, by means of a pyrometer or an infrared camera, although other non-contact methods of measuring thermal radiation or temperature are also conceivable.
  • the workpiece is aligned and/or guided by means of at least one positioning device.
  • the workpiece can thus be moved or positioned in the position required for the coating process.
  • the position of the workpiece can thus also be changed during coating.
  • a device for coating a workpiece with at least one high-performance polymer according to one of Claims 1 to 14 is used in the coating method.
  • FIG. 1 shows a structure for carrying out the coating method according to the invention and the device according to the invention for coating a workpiece 4a with at least one high-performance polymer 4b.
  • two radiation sources 1 and 2 and the measuring device 3 for measuring thermal radiation and/or temperature are arranged above the workpiece 4a to be coated.
  • the high-performance polymer 4b has already been applied to the workpiece 4a.
  • the workpiece 4a is brought to the right place by means of a positioning device 5, so that the workpiece 4a or a desired place of the workpiece 4a and the high-performance polymer 4b are hit by the beams 6 and 7 of the radiation sources 1 and 2.
  • the measuring device 3 measures the thermal radiation 9 emitted by the workpiece 4a and the high-performance polymer 4b.
  • the two beams of radiation 6 and 7 are separately modulated in time and space.
  • the wavelengths are preferably selected in such a way that one beam is primarily absorbed by the high-performance polymer 4b and the other beam is primarily absorbed by the workpiece 4a.
  • the wavelength of a radiation 6 or 7 is preferably in the wavelength range from 400 to 3000 nm and the wavelength of a second Radiation 6 or 7 in the range from 4000 to 12000 nm. In both cases, the radiation 6 and 7 is preferably modulated or pulsed continuously or on a time scale in the range of >10 ns.
  • the workpiece 4a to be coated is either moved into a fixed processing position by means of a manual or automated positioning device 5 (preferably robot or axis system) or is moved and/or rotated during the coating process by means of this in at least one dimension (including rotation).
  • the application of the high-performance polymer 4b e.g. B. a polymer powder, takes place in a previous step.
  • the application method preferably includes the application of a (preferably water-based) dispersion by means of a spray, pressure, dipping or doctor blade method, or the application of a polymer-based powder mixture by means of electrostatic spraying.
  • the power for at least one radiation source 1 or 2 is regulated or controlled in such a way that a constant value for the thermal radiation 8, 9 emitted by the workpiece 4a and the high-performance polymer 4b results.
  • the control or monitoring of the thermal radiation 8, 9 or the temperature is carried out without contact by means of pyrometry or camera-based (e.g. IR camera).
  • the central effect of the coating method according to the invention consists in a temporal and local control of the temperature profiles in the workpiece 4a and high-performance polymer 4b during the coating process. Due to the use of (preferably water-based) high-performance polymer dispersions in the layer application, the addition of a silane and/or siloxane compound, a metal alkoxide or other organic solvents is not necessary and is not intended. Adherent coatings can also be produced without these components using the coating method according to the invention.
  • the melting of the high-performance polymer 4b can be limited in terms of time and location, which enables the location-selective production of coatings.
  • the temperature load is reduced compared to the oven process described above.
  • the coating of temperature-sensitive materials is possible. Due to the reduction of the thermal load, the course of the micro-hardness and the heat-affected zone in the base material usually differ significantly.
  • the porosity of the coating can be controlled as a function of location and time.
  • the coating process preferably takes place in a normal atmosphere, a protective gas or vacuum atmosphere is not required.
  • this range is extended upwards to at least 250 ⁇ m.
  • the technical field of application consists in the production of functional coatings on metallic components, in particular in the production of tribological and anti-corrosive coatings.
  • the metallic components to be coated can be selected independently of the material, geometry and application.
  • the coating method according to the invention is preferably used for the coating of light metals such as aluminum, magnesium and titanium as well as steel alloys.
  • the application includes in particular tribologically and corrosively stressed components, but is not limited to these. An increase in energy efficiency in the coating process should also be emphasized, since preheating is not required.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
EP22151781.6A 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce d'au moins un polymère haute performance et procédé de revêtement Pending EP4023347A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102017130241 2017-12-15
DE102018103967.0A DE102018103967A1 (de) 2017-12-15 2018-02-22 Vorrichtung zum Beschichten eines Werkstücks mit mindestens einem Hochleistungspolymer; Beschichtungsverfahren
EP18020564.3A EP3498383A3 (fr) 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce à usiner par au moins un polymère haute performance et procédé de revêtement

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18020564.3A Division EP3498383A3 (fr) 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce à usiner par au moins un polymère haute performance et procédé de revêtement

Publications (1)

Publication Number Publication Date
EP4023347A1 true EP4023347A1 (fr) 2022-07-06

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Application Number Title Priority Date Filing Date
EP22151781.6A Pending EP4023347A1 (fr) 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce d'au moins un polymère haute performance et procédé de revêtement
EP18020564.3A Withdrawn EP3498383A3 (fr) 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce à usiner par au moins un polymère haute performance et procédé de revêtement

Family Applications After (1)

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EP18020564.3A Withdrawn EP3498383A3 (fr) 2017-12-15 2018-10-29 Dispositif de revêtement d'une pièce à usiner par au moins un polymère haute performance et procédé de revêtement

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209131A2 (fr) * 1985-07-17 1987-01-21 Nec Corporation Procédé optique pour le dépôt de vapeur chimique avec une forte intensité optique lors de la période initiale et appareil pour sa mise en oeuvre
WO1991005885A2 (fr) * 1989-10-11 1991-05-02 Dunfries Investments, Ltd. Procede de revetement au laser
WO1991016146A1 (fr) * 1990-04-12 1991-10-31 Messer Griesheim Gmbh Procede d'enduction thermique de surfaces avec un polymere fluore
DE69300501T2 (de) 1992-03-23 1996-02-22 Europ Gas Turbines Sa Verfahren zum Beschichten einer Vertiefung eines Nickelsubstrates mittels Laser.
DE10020679A1 (de) * 2000-04-27 2001-11-08 Basf Coatings Ag Verfahren und Vorrichtung zum Abdichten von Fugen und Nähten in Kraftfahrzeugkarosserien
WO2008070559A1 (fr) * 2006-12-06 2008-06-12 Sun Chemical Corporation Rangée de sources de rayonnement à l'état solide
US20100067886A1 (en) * 2008-09-16 2010-03-18 Tokyo Electron Limited Ir laser optics system for dielectric treatment module
US9090114B1 (en) * 2010-09-08 2015-07-28 Brian A Stumm Machine including LED-based UV radiation sources to process coatings
EP1932928B1 (fr) 2006-11-30 2015-10-14 United Technologies Corporation Densification de revêtement utilisant le martelage au laser
EP2969256B1 (fr) 2013-03-15 2016-10-26 Mahle International GmbH Revêtement antifriction d'usure pour ensemble piston

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WO2001056846A1 (fr) * 2000-02-04 2001-08-09 Uegaki, Tateo Appareil de reparation pour vehicules
WO2003074193A2 (fr) * 2002-03-01 2003-09-12 Advanced Photonics Technologies Ag Procede et dispositif de production d'un revetement de surface
US20070224352A1 (en) * 2003-10-21 2007-09-27 Stewart Jeffrey W Powder Coating Procedures
KR20110093762A (ko) * 2008-10-15 2011-08-18 브람세 인스텔링 부르 테크놀로지스크 온데르죄크(비토) 플라스틱 상에 열가소성 파우더의 레이저 클래딩
DE102010016926A1 (de) * 2009-05-16 2010-12-30 Eichler Gmbh & Co.Kg Verfahren und Beschichtungsanlage zur elektrostatischen Lackierung (Pulverbeschichtung) von elektrisch nicht leitenden Teilen
CN102152541B (zh) * 2010-12-10 2013-11-20 厦门建霖工业有限公司 一种在工程塑胶表面制备夹层复合镀膜的方法
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FR2978970B1 (fr) * 2011-08-12 2014-03-14 Strategies Et Dev Ind Procede d'application de peinture poudre a polymerisation uv sur piece metallique

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209131A2 (fr) * 1985-07-17 1987-01-21 Nec Corporation Procédé optique pour le dépôt de vapeur chimique avec une forte intensité optique lors de la période initiale et appareil pour sa mise en oeuvre
WO1991005885A2 (fr) * 1989-10-11 1991-05-02 Dunfries Investments, Ltd. Procede de revetement au laser
WO1991016146A1 (fr) * 1990-04-12 1991-10-31 Messer Griesheim Gmbh Procede d'enduction thermique de surfaces avec un polymere fluore
DE69300501T2 (de) 1992-03-23 1996-02-22 Europ Gas Turbines Sa Verfahren zum Beschichten einer Vertiefung eines Nickelsubstrates mittels Laser.
DE10020679A1 (de) * 2000-04-27 2001-11-08 Basf Coatings Ag Verfahren und Vorrichtung zum Abdichten von Fugen und Nähten in Kraftfahrzeugkarosserien
EP1932928B1 (fr) 2006-11-30 2015-10-14 United Technologies Corporation Densification de revêtement utilisant le martelage au laser
WO2008070559A1 (fr) * 2006-12-06 2008-06-12 Sun Chemical Corporation Rangée de sources de rayonnement à l'état solide
US20100067886A1 (en) * 2008-09-16 2010-03-18 Tokyo Electron Limited Ir laser optics system for dielectric treatment module
US9090114B1 (en) * 2010-09-08 2015-07-28 Brian A Stumm Machine including LED-based UV radiation sources to process coatings
EP2969256B1 (fr) 2013-03-15 2016-10-26 Mahle International GmbH Revêtement antifriction d'usure pour ensemble piston

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
I. CORNIN. NEUMANND. EIFLERA. R. BOCCACCINI: "Polyetheretherketone (PEEK) Coatings on Stainless Steel by Electrophoretic Deposition", ADVANCED ENGINEERING MATERIALS, vol. 10, no. 6, 2008, pages 559 - 64
P. VUORISTO: "Comprehensive materials processing", 2014, article "Thermal Spray Coating Processes"

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Publication number Publication date
EP3498383A2 (fr) 2019-06-19
EP3498383A3 (fr) 2019-09-25

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