EP2344281B1 - Masque pour le compactage cinétique par gaz froid - Google Patents

Masque pour le compactage cinétique par gaz froid Download PDF

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Publication number
EP2344281B1
EP2344281B1 EP09796937.2A EP09796937A EP2344281B1 EP 2344281 B1 EP2344281 B1 EP 2344281B1 EP 09796937 A EP09796937 A EP 09796937A EP 2344281 B1 EP2344281 B1 EP 2344281B1
Authority
EP
European Patent Office
Prior art keywords
mask
working side
coating
hardened
cold gas
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.)
Not-in-force
Application number
EP09796937.2A
Other languages
German (de)
English (en)
Other versions
EP2344281A1 (fr
Inventor
Andreas Jakimov
Manuel Hertter
Stefan Schneiderbanger
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.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines 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 MTU Aero Engines AG filed Critical MTU Aero Engines AG
Publication of EP2344281A1 publication Critical patent/EP2344281A1/fr
Application granted granted Critical
Publication of EP2344281B1 publication Critical patent/EP2344281B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • 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

Definitions

  • the present invention relates to a mask for kinetic cold gas compaction with a body for covering a non-coated portion of a substrate to be coated with a coating material exposed working side, and a method for kinetic cold gas compacting in which a corresponding mask is used.
  • the kinetic cold gas compaction or kinetic cold gas spraying is known from the prior art for coating materials and in particular also components of gas turbines or aircraft turbines.
  • the kinetic cold gas compacting is for example in the US 5,302,414 described.
  • the method is characterized in that the coating material is moved in the form of a powder with the aid of a carrier gas at high speed, but temperatures below the melting point of the coating material on the substrate to be coated, wherein the particles as well as the surface area of the substrate to be coated is deformed so that the materials flow into one another and the coating material adheres to the substrate.
  • conventional covers such as adhesive tape covers or silicone masks, such as those used in thermal spraying, for example, are not sufficient because they can not withstand the high particle speeds.
  • the covering device to be provided with a structured surface, wherein the surface of the mask is designed such that the surface encloses an acute angle with the direction of impact of the particles, so that the impinging particles do not adhere to the mask, but instead only to be distracted.
  • the present invention is based on the finding that adhesion of the coating material, that is to say the particles which impinge on the substrate to be coated at high speed in the unmelted state, only takes place on the mask when the adhesion mechanism underlying the kinetic cold gas compacting can take place.
  • adhesion of the coating material that is to say the particles which impinge on the substrate to be coated at high speed in the unmelted state
  • both the impinging particles and the surface are plastically deformed in order to ensure that the materials flow into one another and thus adhere to the materials.
  • the invention starts here and proposes a mask which is so hard on the side facing the coating source, ie the working side, that no surface deformation, ie no plastic deformation of the working side, takes place in the kinetic cold gas compaction used can. This avoids that the surface material of the mask and the impinging coating particles deform and flow into one another and thus form an adhesive layer.
  • the mask can either be formed so that there is a hard coating on the working side or a correspondingly formed edge region or that the mask is formed overall with a corresponding hardness, the mask then can be homogeneously formed over the thickness.
  • the mask is on the working side use and / or nitriding hardened. Since the mask is not cured, in the region of the base body is suitable for use or nitriding hardening steel, while the surface area of the working side has hardened accordingly.
  • FIG. 1 shows in a cross-sectional view a first embodiment of a mask 1 according to the invention, which has a main body 2, in which a through-opening 4 is provided.
  • the through-hole 4 allows a coating in this region of the mask 1, while in the remaining regions 5 and 6, a shielding of the coating material with respect to a arranged under the mask to be coated substrate is present.
  • the page designated by the reference numeral 7 of the mask 1 is the working side, ie the side which faces the coating source.
  • a coating 3 may be provided, which is formed from a relative to the base body 2 harder material.
  • the base body may also be a modified edge region 3, which has a much higher hardness compared to the base body 2.
  • the base body consists of a steel intended for use or nitriding, but not heard, the edge region 3 being hardened accordingly by case-hardening or nitriding.
  • the working side 7 has a sufficiently high hardness in order to prevent the coating particles impinging on the mask from adhering to the mask 1.
  • FIG. 2 shows a second embodiment of a mask 10, which is formed homogeneously, that has the same material over its entire thickness. It is a through hardened insert or nitriding steel.
  • the mask 10 in turn has a passage opening 11 which defines the coating area for the substrate 20 arranged therebelow. Only in this coating region, which is defined by the passage opening 11, is a surface layer 21 of the coating material formed during the coating of the substrate 20.
  • the coating material is accelerated by a non-illustrated device for kinetic cold gas compaction or kinetic cold gas spraying in the direction of the substrate 20, wherein of the corresponding device, only the nozzle 12 is shown.
  • the particle beams 13 are prevented from entering the substrate 20 by the shading areas 15 and 16 of the mask 10. Due to the hard formation of the mask 10, no deformation of the particles on the hard working side 17 and thus no deposition of an adhesive layer will take place in the impact areas 14 of the particle beams 13.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Physical Vapour Deposition (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (2)

  1. Masque (1) pour le compactage cinétique par gaz froid, doté d'un corps destiné à recouvrir une zone n'ayant pas à être revêtue d'un substrat à revêtir avec une face de travail (7) exposée au matériau de revêtement,
    caractérisé en ce que
    la face de travail (7) est constituée d'un acier de cémentation ou nitruré, au moins la face de travail (7) présentant par conséquent une dureté prévue pour qu'aucune déformation plastique de la face de travail (7) ne se produise sous l'impact des particules de revêtement, le masque (1) présentant un corps de base (2) constitué d'un acier prévu pour la cémentation ou la nitruration, mais non trempé, sur lequel est présentée un revêtement ou une zone de bord (3) pour la face de travail (7).
  2. Procédé de compactage cinétique par gaz froid, où des particules de revêtement sont déplacées à vitesse élevée sur une surface à revêtir au moyen d'un gaz porteur, la température du gaz porteur et/ou des particules de revêtement étant inférieure à la température de fusion des particules de revêtement,
    caractérisé en ce que
    un masque (1) est utilisé pour le masquage de zones n'ayant pas à être revêtues, lequel présente une face de travail (7) constituée d'un acier de cémentation ou nitruré, et avec un corps de base (2) constitué d'un acier prévu pour la cémentation ou la nitruration, mais non trempé, sur lequel est présentée un revêtement ou une zone de bord (3) pour la face de travail (7), la face de travail (7) présentant par conséquent une dureté prévue pour qu'aucune déformation plastique de la face de travail (7) ne se produise sous l'impact des particules de revêtement.
EP09796937.2A 2008-11-10 2009-11-07 Masque pour le compactage cinétique par gaz froid Not-in-force EP2344281B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008056652A DE102008056652A1 (de) 2008-11-10 2008-11-10 Maske für das kinetische Kaltgaskompaktieren
PCT/DE2009/001578 WO2010051804A1 (fr) 2008-11-10 2009-11-07 Masque pour le compactage cinétique par gaz froid

Publications (2)

Publication Number Publication Date
EP2344281A1 EP2344281A1 (fr) 2011-07-20
EP2344281B1 true EP2344281B1 (fr) 2015-03-11

Family

ID=41719143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09796937.2A Not-in-force EP2344281B1 (fr) 2008-11-10 2009-11-07 Masque pour le compactage cinétique par gaz froid

Country Status (4)

Country Link
US (1) US8852681B2 (fr)
EP (1) EP2344281B1 (fr)
DE (1) DE102008056652A1 (fr)
WO (1) WO2010051804A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2504302A (en) * 2012-07-24 2014-01-29 Brayton Energy Canada Inc Heat exchanger fins made by cold spraying
DE102012017186A1 (de) 2012-08-30 2014-03-06 Wieland-Werke Ag Maske für ein Beschichtungssystem, Beschichtungssystem und Verfahren zur Herstellung eines beschichteten Substrats
US20150246371A1 (en) * 2014-02-28 2015-09-03 Pratt & Whitney Canada Corp. Method of cold spraying components of a gas turbine engine mask therefor
DE102015201927A1 (de) * 2015-02-04 2016-08-04 Siemens Aktiengesellschaft Verfahren zum Kaltgasspritzen mit Maske
US11104998B2 (en) 2019-07-20 2021-08-31 General Electric Company Cold spray repair of engine components
DE102019121060A1 (de) * 2019-08-05 2021-02-11 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen eines Gussbauteils
AU2021217391A1 (en) 2020-02-07 2022-09-01 International N&H Denmark Aps Feed compositions for animal health
CN113262900A (zh) * 2021-05-12 2021-08-17 上海大学 一种用于耳朵电极喷药的镂空夹模及其使用方法
CN114574857B (zh) * 2022-04-28 2022-07-08 中南大学湘雅医院 一种涂层材料及其在手术刀具领域的应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01242955A (ja) * 1988-03-24 1989-09-27 Mazda Motor Corp 排ガスセンサの製造方法

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DE69016433T2 (de) 1990-05-19 1995-07-20 Papyrin Anatolij Nikiforovic Beschichtungsverfahren und -vorrichtung.
US5203944A (en) 1991-10-10 1993-04-20 Prinz Fritz B Method for fabrication of three-dimensional articles by thermal spray deposition using masks as support structures
JP2602000B2 (ja) * 1994-09-22 1997-04-23 株式会社東芝 被覆パターン形成用マスク
US5573814A (en) 1995-10-30 1996-11-12 Ford Motor Company Masking cylinder bore extremities from internal thermal spraying
US5691018A (en) 1995-12-15 1997-11-25 Caterpillar Inc. Silicone mask for thermal spray coating system
US6060117A (en) 1998-08-31 2000-05-09 Ford Global Technologies, Inc. Making and using thermal spray masks carrying thermoset epoxy coating
US7070472B2 (en) * 2001-08-29 2006-07-04 Motorola, Inc. Field emission display and methods of forming a field emission display
US6645299B2 (en) 2001-09-18 2003-11-11 General Electric Company Method and assembly for masking
US6592948B1 (en) * 2002-01-11 2003-07-15 General Electric Company Method for masking selected regions of a substrate
US6863930B2 (en) * 2002-09-06 2005-03-08 Delphi Technologies, Inc. Refractory metal mask and methods for coating an article and forming a sensor
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JP2006179856A (ja) * 2004-11-25 2006-07-06 Fuji Electric Holdings Co Ltd 絶縁基板および半導体装置
DE102004058705B3 (de) * 2004-12-06 2006-08-17 Daimlerchrysler Ag Thermisches Beschichtungsverfahren und Einweg-Maskierung dafür
DE102005024021B4 (de) * 2005-05-25 2008-05-21 Daimler Ag Bauteil mit einer vorzubehandelnden und/oder zu beschichtenden Innenfläche sowie Verfahren zu dessen Vorbehandlung und/oder Beschichtung
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DE102006029070B3 (de) * 2006-06-16 2007-08-23 Siemens Ag Verfahren zum Beschichten eines Bauteils, in dessen Oberfläche Löcher vorgesehen sind
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JPH01242955A (ja) * 1988-03-24 1989-09-27 Mazda Motor Corp 排ガスセンサの製造方法

Also Published As

Publication number Publication date
US8852681B2 (en) 2014-10-07
US20110223325A1 (en) 2011-09-15
WO2010051804A1 (fr) 2010-05-14
DE102008056652A1 (de) 2010-05-12
EP2344281A1 (fr) 2011-07-20

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