WO1988004698A2 - Process for manufacturing and/or redimensioning components, and component thus produced - Google Patents
Process for manufacturing and/or redimensioning components, and component thus produced Download PDFInfo
- Publication number
- WO1988004698A2 WO1988004698A2 PCT/EP1987/000782 EP8700782W WO8804698A2 WO 1988004698 A2 WO1988004698 A2 WO 1988004698A2 EP 8700782 W EP8700782 W EP 8700782W WO 8804698 A2 WO8804698 A2 WO 8804698A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- component
- substrate
- metallic
- spray
- Prior art date
Links
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
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/137—Spraying in vacuum or in an inert atmosphere
-
- 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
Definitions
- the invention relates to a method for the production and / or redimensioning of highly stressed metallic components and layers, and to such a metallic component.
- layers to highly stressed metallic components, for example turbine blades and the like, in a plasma spraying process, which improve the resistance of the component to cavitation, abrasion and erosion.
- layers do not form a completely load-bearing component of the component itself.
- layers of this type can at least partially detach from the substrate under extreme mechanical stresses, in particular bending stresses.
- the invention has for its object to provide a highly stressed metallic component, which is provided with a load-bearing coating with significantly higher application rates and less time and can be provided repeatedly.
- a spray layer that is chemically unchanged compared to the spray powder is applied to a metallic substrate
- the applied spray layer is at least partially remelted with the aid of a transferred arc into a homogeneous, fine crystalline layer
- steps a) and b) are optionally repeated one or more times.
- a highly stressed metallic component can be produced whose abrasion resistance corresponds to that of the substrate material, which permits a practically unlimited layer thickness
- the layer is perfectly homogeneous and non-porous and does not require any thermal post-treatment to compensate for any properties of the substrate that may have been lost during the coating.
- the coating can be carried out without any impairment of the mechanical properties of the substrate, and later repairs are possible without removing the layer. Both the layer and the substrate are repairable, and annealing the substrate in no way affects the layer.
- the adhesion of the layer is so good that it can withstand deformations and vibrations during operation without being destroyed or tired.
- the surface of the metallic component is advantageously sputter-cleaned in a vacuum with a transferred arc before coating, as a result of which a practically oxide-free surface of the substrate is achieved before the coating is applied.
- the coating can either be advantageously carried out in the vacuum plasma spraying process (VPS) or advantageously in the protective gas plasma spraying process with intensive cooling of the component.
- the component is preferably cooled by means of liquid argon.
- a further development of the method according to the invention is that an additional material build-up is carried out by means of plasma welding with a transferred arc during or after the remelting of the spray layer in selected areas of the surface of the component.
- an additional material build-up can be carried out by means of plasma welding with transferred material in selected areas of the surface of the component Arc are carried out.
- an additional spray layer of any material can be applied as a protective layer in the plasma spray process.
- This protective layer can be adapted to the special stresses and requirements of the component and is used, for example, to extend the life of the component.
- the substrate in the boundary to the spray layer is expediently also melted on, it being possible for alloys to form with the remelted layer when the substrate is being melted.
- the spray layer is expediently applied with a transferred arc and preferably with multiple powder injection into the plasma flame at an application rate of up to 20 kg / h.
- a highly stressed metallic component with a metallic layer sprayed onto a metallic substrate is characterized in that the layer is a supporting component of the component and largely corresponds to that of the substrate in mechanical properties.
- the thickness of the layer can be several cm and at least 0.5 mm.
- the layer with a targeted layer thickness distribution is advantageously applied to the substrate in such a way that the desired final shape of the component results.
- the substrate and the layer can expediently consist of a rustproof, martensitic chromium-nickel steel.
- the object of the invention can also be achieved in that the substrate is made of a normal steel selected from a mechanical point of view and the layer as a supporting component of the component made of a corrosion-resistant metal or a corrosion-resistant alloy, such as a stainless steel.
- FIG. 3 shows a component as in FIG. 1 after the U has melted the spray layer
- FIG. 4 shows a section of a component with an additional material structure applied to the spray layer by plasma welding
- FIG. 5 shows a component with an additional material structure applied under the spray layer by means of plasma welding
- 6 shows a component as in FIG. 1 with a substrate
- FIG. 1 shows a schematic representation of a metallic component 1, on the metallic substrate 2 of which a spray layer 3 which is chemically unchanged compared to the wettable powder is applied in a plasma spraying process.
- the spray layer 3 as indicated in FIG. 2, is applied true to shape by corresponding beam guidance of the plasma jet, i.e. with a specifically set thickness as required. This is particularly important when redimensioning a component 1 that has been machined to different thicknesses during operation, for example a turbine blade.
- the coating with the spray layer 3 can be carried out in the vacuum plasma spraying process (VPS), or also in the protective gas plasma spraying process, but then with intensive cooling of the component 1, in order to reliably avoid mechanical modification of the component 1.
- the required cooling of component 1 can be carried out, for example, using liquid argon.
- the applied spray layer 3 (FIG. 1) is remelted into a homogeneous, finely crystalline layer 4 with the aid of a transferred arc, in such a way that the substrate 2 is also melted in its boundary 5 to the spray layer 3.
- an alloy is formed with the spray layer 3 melted into the layer 4, which leads to an intimate connection between the layer 4 and the substrate 2.
- the alloying process and the intimacy of the connection of the Layer 4 with the substrate 2 is significantly promoted in that the surface of the metallic component 1 is sputter-cleaned in a vacuum with a transferred arc before coating. This results in an oxide-free surface for the application of the spray layer 3.
- the remelted layer 4 has become a supporting component of the component 1 and corresponds largely to the mechanical properties of that of the substrate 2.
- the thickness of the layer 4 can be several cm and is at least 0.5 mm.
- the spray layer 3 or the remelted layer 3 is applied to the substrate 2 with a targeted layer thickness distribution in such a way that the desired final shape of the component 1 is obtained essentially without further processing.
- the applied spray layer 3 does not need to be completely remelted into a homogeneous, finely crystalline layer 4 in all cases. It may be sufficient to perform the melting only at selected or exposed locations on the spray layer 3.
- an additional material structure 6 can be carried out by means of plasma welding with a transferred arc, since the spray layer 3 or remelted layer 4 can be welded is.
- an additional material structure 7 can also be carried out by means of plasma welding with a transferred arc before coating in selected areas of the surface of the component 1. This leads to an advantage when applying the spray layer 3 in that it can be sprayed with a relatively uniform thickness.
- Spray layer 3 is expediently applied with a transferred arc and preferably with multiple powder injection into the plasma flame at an application rate of up to 20 kg / h.
- an additional spray layer 8 of any material to the component 1 (FIG. 6) as a protective layer adapted to the special stresses and requirements of component 1, for example to extend the service life, in the plasma spraying process (PSV) .
- the substrate 2 and the layer 4 can for example consist of a stainless martensitic chromium-nickel steel.
- the substrate 2 can consist of a normal steel selected from a mechanical point of view and the layer 4 as a supporting component of the component can consist of a corrosion-resistant metal or a corrosion-resistant alloy, such as a stainless steel.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88900225A EP0345257A1 (en) | 1987-12-15 | 1987-12-15 | Process for manufacturing and/or redimensioning components, and component thus produced |
PCT/EP1987/000782 WO1988004698A2 (en) | 1987-12-15 | 1987-12-15 | Process for manufacturing and/or redimensioning components, and component thus produced |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1987/000782 WO1988004698A2 (en) | 1987-12-15 | 1987-12-15 | Process for manufacturing and/or redimensioning components, and component thus produced |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1988004698A2 true WO1988004698A2 (en) | 1988-06-30 |
WO1988004698A3 WO1988004698A3 (en) | 1988-09-07 |
Family
ID=8165224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1987/000782 WO1988004698A2 (en) | 1987-12-15 | 1987-12-15 | Process for manufacturing and/or redimensioning components, and component thus produced |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0345257A1 (en) |
WO (1) | WO1988004698A2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0272527A2 (en) * | 1986-12-15 | 1988-06-29 | Société Anonyme l'Energie de l'Ouest Suisse EOS | Method for applying a metal coating to a substrate, and product obtained |
WO1997040266A2 (en) * | 1996-04-19 | 1997-10-30 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
US6006516A (en) * | 1996-04-19 | 1999-12-28 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
FR2799523A1 (en) * | 1999-10-08 | 2001-04-13 | Framatome Sa | Valve seat in situ repair procedure, especially for nuclear PWR steam circuit outlet valve, comprises use of plasma transfer arc (PTA) build-up weld |
EP2871257A1 (en) * | 2013-11-11 | 2015-05-13 | Siemens Aktiengesellschaft | Method of coating with subsequent remelting method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB881381A (en) * | 1956-11-30 | 1961-11-01 | William Edward Ballard | Improvements relating to cladded metals |
DE2640755A1 (en) * | 1975-09-15 | 1977-03-17 | Cretella Salvatore | PROCESS FOR RENEWING SURFACE TREATMENT OF AERODYNAMIC TURBINE COMPONENTS, SUCH AS BLADES AND GUIDE VANES |
FR2342120A1 (en) * | 1976-02-27 | 1977-09-23 | British Steel Corp | PROCESS FOR APPLYING A HARD COATING ON AN IRON OR STEEL SUPPORT |
FR2347191A1 (en) * | 1976-04-08 | 1977-11-04 | Stal Laval Turbin Ab | PROTECTIVE COATING ON A STEEL SURFACE |
EP0034408A1 (en) * | 1980-02-13 | 1981-08-26 | Permelec Electrode Ltd | A method of forming an anticorrosive coating on a metal electrode substrate |
EP0165565A2 (en) * | 1984-06-19 | 1985-12-27 | Plasmainvent Ag | Vacuum plasma coating machine |
DE3426201A1 (en) * | 1984-07-17 | 1986-01-23 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | PROCESS FOR APPLYING PROTECTIVE LAYERS |
DE3447784A1 (en) * | 1984-12-20 | 1986-06-26 | Gebrüder Sulzer AG, Winterthur | Internal-combustion piston engine |
-
1987
- 1987-12-15 WO PCT/EP1987/000782 patent/WO1988004698A2/en not_active Application Discontinuation
- 1987-12-15 EP EP88900225A patent/EP0345257A1/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB881381A (en) * | 1956-11-30 | 1961-11-01 | William Edward Ballard | Improvements relating to cladded metals |
DE2640755A1 (en) * | 1975-09-15 | 1977-03-17 | Cretella Salvatore | PROCESS FOR RENEWING SURFACE TREATMENT OF AERODYNAMIC TURBINE COMPONENTS, SUCH AS BLADES AND GUIDE VANES |
FR2342120A1 (en) * | 1976-02-27 | 1977-09-23 | British Steel Corp | PROCESS FOR APPLYING A HARD COATING ON AN IRON OR STEEL SUPPORT |
FR2347191A1 (en) * | 1976-04-08 | 1977-11-04 | Stal Laval Turbin Ab | PROTECTIVE COATING ON A STEEL SURFACE |
EP0034408A1 (en) * | 1980-02-13 | 1981-08-26 | Permelec Electrode Ltd | A method of forming an anticorrosive coating on a metal electrode substrate |
EP0165565A2 (en) * | 1984-06-19 | 1985-12-27 | Plasmainvent Ag | Vacuum plasma coating machine |
DE3426201A1 (en) * | 1984-07-17 | 1986-01-23 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | PROCESS FOR APPLYING PROTECTIVE LAYERS |
DE3447784A1 (en) * | 1984-12-20 | 1986-06-26 | Gebrüder Sulzer AG, Winterthur | Internal-combustion piston engine |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0272527A2 (en) * | 1986-12-15 | 1988-06-29 | Société Anonyme l'Energie de l'Ouest Suisse EOS | Method for applying a metal coating to a substrate, and product obtained |
EP0272527A3 (en) * | 1986-12-15 | 1989-10-25 | Société Anonyme l'Energie de l'Ouest Suisse EOS | Method for applying a metal coating to a substrate, and product obtained |
WO1997040266A2 (en) * | 1996-04-19 | 1997-10-30 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
WO1997040266A3 (en) * | 1996-04-19 | 1998-01-15 | Engelhard Corp | System for reduction of harmful exhaust emissions from diesel engines |
US6006516A (en) * | 1996-04-19 | 1999-12-28 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
US6256984B1 (en) * | 1996-04-19 | 2001-07-10 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
FR2799523A1 (en) * | 1999-10-08 | 2001-04-13 | Framatome Sa | Valve seat in situ repair procedure, especially for nuclear PWR steam circuit outlet valve, comprises use of plasma transfer arc (PTA) build-up weld |
EP2871257A1 (en) * | 2013-11-11 | 2015-05-13 | Siemens Aktiengesellschaft | Method of coating with subsequent remelting method |
Also Published As
Publication number | Publication date |
---|---|
WO1988004698A3 (en) | 1988-09-07 |
EP0345257A1 (en) | 1989-12-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1844181B1 (en) | Cold gas spraying method | |
DE2632739C3 (en) | Process for the thermal spraying of a self-adhesive nickel-aluminum or nickel-titanium coating on a metal substrate | |
DE69535062T2 (en) | PRODUCT MANUFACTURE BY METAL SEPARATION | |
DE69721508T2 (en) | FILLING POROSITY OR CAVITY OF PARTS PRODUCED IN A SPRAYING PROCESS | |
DE3839775C2 (en) | Cathode sputtering target and process for its manufacture | |
EP0915184B1 (en) | Process for producing a ceramic layer on a metallic substrate | |
DE102012007114B3 (en) | A method of forming a coating or three-dimensional structural elements on substrate surfaces formed with TiAl by laser cladding | |
EP1896627B1 (en) | Cladding tubes made of ferritic/martensitic or austenitic steel for nuclear fuel elements/fuels and method for subsequently treating a fecra protective layer thereon that is suited for high temperatures | |
EP1157141B1 (en) | Method and device for treating a component surface | |
EP0850899A1 (en) | Method of coating carbon of carbon containing nonmetallic substrates and substrate coated thereby | |
EP0438971A1 (en) | Coated metallic substrate | |
WO1990014447A1 (en) | Process for manufacturing a wear-resistant sliding surface in joint endoprostheses | |
EP1432847B8 (en) | Method for removing at least one area of a layer of a component consisting of metal or a metal compound | |
EP1816235A1 (en) | Method of repairing defects in castings | |
WO1988004698A2 (en) | Process for manufacturing and/or redimensioning components, and component thus produced | |
EP0911423B1 (en) | Method for joining workpieces | |
EP2343143A2 (en) | Method for producing components from refractory metals | |
EP0571796B1 (en) | Surface protective coating and process for the manufacture thereof | |
EP0664349B1 (en) | Process for coating copper-based materials | |
DE19626732A1 (en) | Sputtering target production and recycling | |
EP1161571B1 (en) | Method for machining a component surface | |
DE102018106678A1 (en) | Method and device for coating a brake disk surface | |
DE19925330A1 (en) | Sputter target, used for thin film cathodic sputter deposition, is produced or regenerated by passing an IR source over target material to effect melting on a cast plate or worn target region | |
DE19626271B4 (en) | Method and device for producing hybrid multi-layer coatings | |
DD277471A1 (en) | COMPOSITE TARGET |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): JP SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LU NL SE |
|
AK | Designated states |
Kind code of ref document: A3 Designated state(s): JP SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LU NL SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1988900225 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1988900225 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1988900225 Country of ref document: EP |