EP0217991A1 - Ceramic material coatings - Google Patents
Ceramic material coatings Download PDFInfo
- Publication number
- EP0217991A1 EP0217991A1 EP85307128A EP85307128A EP0217991A1 EP 0217991 A1 EP0217991 A1 EP 0217991A1 EP 85307128 A EP85307128 A EP 85307128A EP 85307128 A EP85307128 A EP 85307128A EP 0217991 A1 EP0217991 A1 EP 0217991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- ceramic material
- substrate
- layers
- layer
- 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.)
- Withdrawn
Links
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 35
- 239000011247 coating layer Substances 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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
Definitions
- This invention relates generally to ceramic material coatings for a substrate, and in particular to the coating of a subtrate surface of an article in order to provide the article with a thermal barrier.
- the invention is applicable to the coating of combustion engine components such as piston crowns, cylinder walls, cylinder heads, valve heads, and exhaust ports to reduce combustion heat loss in an effort to approach adiabatic operation of the engine. It will be convenient to hereinafter disclose this invention in relation to this application although it should be appreciated that the invention is applicable to other coating applications.
- Ceramic materials are used because of favourable properties such as low thermal conductivity, high strength, high fracture toughness, high thermal shock resistance, good wear resistance, thermal expansion matching that of steel or iron with which the material is generally used, and a high resistance to erosion and corrosion.
- One such ceramic material particularly used is partially stabilised zirconia (known as PSZ). Ceramic material may be formed into monolithic engine components such as cylinder liners and piston crowns, as well as being coated onto those components.
- the present invention provides in one aspect a coating for a substrate, the coating including a plurality of superimposed coating layers, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
- the present invention also provides in another aspect a process for applying a coating to a substrate, including superimposing a plurality of coating layers onto the substrate, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
- the coating layers are arranged so as to be generally or at least substantially gradated relative to each other according to the amount of ceramic material contained in the layer composition.
- the layers are arranged so that the proportional amounts of ceramic material successively increase from the substrate.
- At least one of the coating layers preferably contains less than about 50% by volume of ceramic material.
- the coating layer immediately adjacent the substrate preferably contains 0% or about 0% by volume ceramic material. This coating layer preferably acts as a bonding or transition layer between the substrate and remaining layers.
- At least one of the coating layers preferably contains more than about 50% by volume of ceramic material.
- the coating layer outermost from the substrate preferably contains 100% or about 100% by volume ceramic material.
- the coating layers preferably have a composition density that varies from layer to layer in accordance with their proportional amount of ceramic material.
- the layer density increases with increasing amounts of ceramic material so that the coating preferably has a density gradient that increases outwardly from the substrate.
- the same ceramic material is preferably used in each of those coating layers in which it is present.
- the coating layer compositions containing less than 100% ceramic material preferably contain a filler material in a 100% balance amount. That filler material is preferably compatible with the ceramic material, and is preferably a metallic material.
- Each of the coating layers are preferably approximately the same thickness. Moreover, those layers are preferably of a consistent thickness throughout their extent.
- each coating layer is applied by spraying onto the substrate or preceding layer.
- Each layer composition is preferably prepared to a powder state and then heated to melt for spraying.
- Suitable thermal spray apparatus is preferably provided to enable coating application.
- the coating includes at least three coating layers.
- the layer immediately adjacent the substrate contains about 0% ceramic material
- the outermost layer contains about 100% ceramic material whilst the or each intermediate coating layer contains an amount of ceramic material between about 0% and 100% by volume.
- three intermediate layers may be provided, successive layers containing about 25%, 50% and 75% of ceramic material by volume.
- the ceramic material is a zirconia material. That ceramic material may be fully or partially stabilised zirconia material. That ceramic material may be a yttria zirconia material.
- the coating layers containing less than 100% ceramic material contain a balance amount of filler material of any suitable metal or alloy thereof.
- the material may be nickel-chromium, although nickel or chromium, or other metals or alloys thereof, may be equally suitable depending on the composition of the substrate and nature of the ceramic material.
- the substrate may generally comprise a metal, such as steel or iron and alloys thereof.
- each coating layer is about 0.005 inches in thickness.
- each coating layer is sprayed with thermal spray apparatus utilising plasma flame as the heat source for melting the layer composition.
- thermal spray apparatus utilising plasma flame as the heat source for melting the layer composition.
- Such apparatus may be constructed and utilised as will be well known by those skilled in the relevant art.
- the substrate surface to which the layers are to be applied may be appropriately prepared.
- that substrate surface may be cleaned and roughened such as by grit blasting.
- the outermost surface of the coating may also be treated as desired, for example, smoothed such as by grinding.
- the coating of the present invention enables reduction in the quantity of ceramic material used, and as a result a reduction in the overall weight, in the article to which the coating is applied when compared to previous arrangements for providing such articles made at least in part of ceramic material. This is achieved without detriment to the performance of articles, such as combustion engine components, to which the coating is particularly applicable. Indeed, it is believed that the thermal conductivity of the coating may be lower than that of monolithic ceramic material.
- the process of providing the coating of the present invention can be conducted utilising existing apparatus and to that extent may not require additional high capital investment. This may minimise the cost of providing articles with the coating of the present invention and thus the cost of those articles themselves.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
A coating for a substrate, providing a thermal barrier for that substrate, includes a plurality of superimposed layers applied to the substrate. At least some of the layers have a composition containing a proportional amount of ceramic material, and that proportional amount varies between coating layers. The layers are preferably applied by spraying each in succession onto the preceding layer.
Description
- This invention relates generally to ceramic material coatings for a substrate, and in particular to the coating of a subtrate surface of an article in order to provide the article with a thermal barrier. The invention is applicable to the coating of combustion engine components such as piston crowns, cylinder walls, cylinder heads, valve heads, and exhaust ports to reduce combustion heat loss in an effort to approach adiabatic operation of the engine. It will be convenient to hereinafter disclose this invention in relation to this application although it should be appreciated that the invention is applicable to other coating applications.
- Recent developments towards increasing useful power obtained from, and improving the efficiency of, combustion engines have included the manufacture of various engine components at least in part from ceramic materials. Such materials are used because of favourable properties such as low thermal conductivity, high strength, high fracture toughness, high thermal shock resistance, good wear resistance, thermal expansion matching that of steel or iron with which the material is generally used, and a high resistance to erosion and corrosion. One such ceramic material particularly used is partially stabilised zirconia (known as PSZ). Ceramic material may be formed into monolithic engine components such as cylinder liners and piston crowns, as well as being coated onto those components.
- Whilst the use of ceramic material has been found to improve engine operation, monolithic ceramic material is relatively heavy and thus can only be used in small quantities without adversely affecting engine operation. In addition, that material is relatively expensive which can lead to increased engine component costs. In any event, a further reduction in combustion heat loss would be desirable in order to further improve engine operation.
- It is an object of the present invention to provide a ceramic material coating for a substrate, such as combustion engine components, which may alleviate the foregoing disadvantages of prior arrangements utilising those materials.
- With that in mind, the present invention provides in one aspect a coating for a substrate, the coating including a plurality of superimposed coating layers, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
- The present invention also provides in another aspect a process for applying a coating to a substrate, including superimposing a plurality of coating layers onto the substrate, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
- Preferably, the coating layers are arranged so as to be generally or at least substantially gradated relative to each other according to the amount of ceramic material contained in the layer composition. In that regard, preferably, the layers are arranged so that the proportional amounts of ceramic material successively increase from the substrate.
- At least one of the coating layers preferably contains less than about 50% by volume of ceramic material. The coating layer immediately adjacent the substrate preferably contains 0% or about 0% by volume ceramic material. This coating layer preferably acts as a bonding or transition layer between the substrate and remaining layers.
- At least one of the coating layers preferably contains more than about 50% by volume of ceramic material. The coating layer outermost from the substrate preferably contains 100% or about 100% by volume ceramic material.
- The coating layers preferably have a composition density that varies from layer to layer in accordance with their proportional amount of ceramic material. In that regard, preferably, the layer density increases with increasing amounts of ceramic material so that the coating preferably has a density gradient that increases outwardly from the substrate.
- The same ceramic material is preferably used in each of those coating layers in which it is present. The coating layer compositions containing less than 100% ceramic material preferably contain a filler material in a 100% balance amount. That filler material is preferably compatible with the ceramic material, and is preferably a metallic material.
- Each of the coating layers are preferably approximately the same thickness. Moreover, those layers are preferably of a consistent thickness throughout their extent.
- Preferably, each coating layer is applied by spraying onto the substrate or preceding layer. Each layer composition is preferably prepared to a powder state and then heated to melt for spraying. Suitable thermal spray apparatus is preferably provided to enable coating application.
- In one preferred embodiment of the present invention, the coating includes at least three coating layers. In this embodiment, the layer immediately adjacent the substrate contains about 0% ceramic material, the outermost layer contains about 100% ceramic material whilst the or each intermediate coating layer contains an amount of ceramic material between about 0% and 100% by volume. In this embodiment, three intermediate layers may be provided, successive layers containing about 25%, 50% and 75% of ceramic material by volume.
- In one preferred embodiment, the ceramic material is a zirconia material. That ceramic material may be fully or partially stabilised zirconia material. That ceramic material may be a yttria zirconia material.
- In one preferred embodiment, the coating layers containing less than 100% ceramic material contain a balance amount of filler material of any suitable metal or alloy thereof. In that regard, the material may be nickel-chromium, although nickel or chromium, or other metals or alloys thereof, may be equally suitable depending on the composition of the substrate and nature of the ceramic material. The substrate may generally comprise a metal, such as steel or iron and alloys thereof.
- In one preferred embodiment, each coating layer is about 0.005 inches in thickness.
- In one preferred embodiment of the present invention, each coating layer is sprayed with thermal spray apparatus utilising plasma flame as the heat source for melting the layer composition. Such apparatus may be constructed and utilised as will be well known by those skilled in the relevant art.
- In one preferred form, prior to application of the coating layers the substrate surface to which the layers are to be applied may be appropriately prepared. In that regard, that substrate surface may be cleaned and roughened such as by grit blasting. Following coating of the substrate the outermost surface of the coating may also be treated as desired, for example, smoothed such as by grinding.
- The coating of the present invention enables reduction in the quantity of ceramic material used, and as a result a reduction in the overall weight, in the article to which the coating is applied when compared to previous arrangements for providing such articles made at least in part of ceramic material. This is achieved without detriment to the performance of articles, such as combustion engine components, to which the coating is particularly applicable. Indeed, it is believed that the thermal conductivity of the coating may be lower than that of monolithic ceramic material.
- The process of providing the coating of the present invention can be conducted utilising existing apparatus and to that extent may not require additional high capital investment. This may minimise the cost of providing articles with the coating of the present invention and thus the cost of those articles themselves.
- It is to be appreciated that modifications and/or alterations may be made to the coating and its application process without departing from the ambit of the present invention as defined in the claims appended hereto.
Claims (16)
1. A coating for a substrate, including a plurality of superimposed coating layers, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
2. A coating as claimed in claim 1, characterised in that the coating layers are at least substantially gradated relative to each other according to the amount of ceramic material in each layer.
3. A coating as claimed in claim 2, characterised in that the coating layers are arranged so that the proportional amounts of ceramic material contained therein successively increase from the substrate.
4. A coating as claimed in any preceding claim, characterised in that at least one of the coating layers contains less than about 50% by volume of ceramic material.
5. A coating as claimed in any preceding claim, characterised in that the coating layer immediately adjacent the substrate contains 0% or about 0% by volume of ceramic material.
6. A coating as claimed in any preceding claim, characterised in that at least one of the coating layers contains more than about 50% by volume of ceramic material.
7. A coating as claimed in any preceding claim, characterised in that the coating layer outermost from the substrate contains 100% or about 100% by volume of ceramic material.
8. A coating as claimed in any preceding claim, characterised in that five coating layers are provided, successive layers from the substrate containing at least about 0%, 25%, 50%, 75% and 100% by volume of ceramic material.
9. A coating as claimed in any preceding claim, characterised in that each coating layer has a thickness of about 0.005 inches.
10. A coating as claimed in any preceding claim, characterised in that the ceramic material is a zirconia material.
11. A process for applying a coating to a substrate, including superimposing a plurality of coating layers onto the substrate, at least some of the layers having a composition containing a proportional amount of a ceramic material, characterised in that the proportional amount of ceramic material varies between coating layers.
12. A process as claimed in claim 11, characterised in that each coating layer is successively applied by spraying onto the substrate or preceding coating layer.
13. A process as claimed in claim 12, characterised in that each coating layer composition is initially prepared to a powder state, heated to melt, and then spray applied to the substrate.
14. A process as claimed in claim 13, characterised in that each coating layer composition is melted using a plasma flame heat source.
15. A process as claimed in claims 11 to 14, characterised in that a surface of the substrate to which the coating layers are applied is cleaned and roughened prior to coating layer application so as to facilitate retention of the coating on the substrate.
16. A process as claimed in any one of claims 11 to 15, characterised in that the applied coating is as claimed in any one of claims 1 to 10.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU40544/85A AU4054485A (en) | 1984-03-28 | 1984-03-30 | Ceramic laminates |
| EP85307128A EP0217991A1 (en) | 1985-10-04 | 1985-10-04 | Ceramic material coatings |
| JP60227620A JPS6293359A (en) | 1985-10-04 | 1985-10-12 | Ceramic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP85307128A EP0217991A1 (en) | 1985-10-04 | 1985-10-04 | Ceramic material coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0217991A1 true EP0217991A1 (en) | 1987-04-15 |
Family
ID=8194390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85307128A Withdrawn EP0217991A1 (en) | 1984-03-28 | 1985-10-04 | Ceramic material coatings |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0217991A1 (en) |
| JP (1) | JPS6293359A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2238349A (en) * | 1989-11-25 | 1991-05-29 | T & N Technology Ltd | Ceramic faced i.c. engine valves |
| AT396119B (en) * | 1988-04-08 | 1993-06-25 | Stangl Kurt Dipl Ing | Method of applying an inscription to hot steel blocks |
| AT396120B (en) * | 1988-04-13 | 1993-06-25 | Stangl Kurt Dipl Ing | METHOD FOR LABELING HOT STEEL BLOCKS |
| EP0580097A1 (en) * | 1992-07-20 | 1994-01-26 | HUGHES MISSILE SYSTEMS COMPANY (a Delaware corporation) | A method of forming magnetic-cermet dielectric coatings by plasma spraying of composite particles |
| EP0583009A1 (en) * | 1992-08-12 | 1994-02-16 | Kabushiki Kaisha Toshiba | Ceramic coating method for metallic substrate |
| GB2305672A (en) * | 1995-09-29 | 1997-04-16 | Aea Technology Plc | An electrically isolating support for electronic components |
| WO1999051790A1 (en) * | 1998-04-08 | 1999-10-14 | Caterpillar Inc. | A process for applying a functional gradient material coating to a component for improved performance |
| EP1160348A2 (en) * | 2000-05-22 | 2001-12-05 | Praxair S.T. Technology, Inc. | Process for producing graded coated articles |
| EP1382707A1 (en) * | 2002-07-17 | 2004-01-21 | Siemens Aktiengesellschaft | Layer system |
| RU2640239C1 (en) * | 2016-07-12 | 2017-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего образования Новосибирский государственный аграрный университет | Method for producing paintwork coatings during repaire painting working bodies of technological machines |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3091548A (en) * | 1959-12-15 | 1963-05-28 | Union Carbide Corp | High temperature coatings |
| FR1393475A (en) * | 1964-02-11 | 1965-03-26 | Desmarquest Et Cie L | Thermally insulating coatings for valves, pistons and explosion chambers of engines |
| US3758233A (en) * | 1972-01-17 | 1973-09-11 | Gen Motors Corp | Vibration damping coatings |
| US4248940A (en) * | 1977-06-30 | 1981-02-03 | United Technologies Corporation | Thermal barrier coating for nickel and cobalt base super alloys |
| WO1982001898A1 (en) * | 1980-12-05 | 1982-06-10 | Kvernes Ingard | Method for coating a metal with a protection layer resistant to hot gas corrosion |
| JPS5815742A (en) * | 1981-07-21 | 1983-01-29 | Nippon Kokan Kk <Nkk> | Engine part having flamed surface |
| JPS5852469A (en) * | 1981-09-24 | 1983-03-28 | Nippon Kokan Kk <Nkk> | Exhaust valve for diesel engine |
| EP0075228A2 (en) * | 1981-09-23 | 1983-03-30 | Battelle-Institut e.V. | Heat insulating ceramic coating having a resistance to high temperatures and to thermal shocks |
| EP0123952A2 (en) * | 1983-04-29 | 1984-11-07 | Goetze Ag | Wear-resistant coating |
-
1985
- 1985-10-04 EP EP85307128A patent/EP0217991A1/en not_active Withdrawn
- 1985-10-12 JP JP60227620A patent/JPS6293359A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3091548A (en) * | 1959-12-15 | 1963-05-28 | Union Carbide Corp | High temperature coatings |
| FR1393475A (en) * | 1964-02-11 | 1965-03-26 | Desmarquest Et Cie L | Thermally insulating coatings for valves, pistons and explosion chambers of engines |
| US3758233A (en) * | 1972-01-17 | 1973-09-11 | Gen Motors Corp | Vibration damping coatings |
| US4248940A (en) * | 1977-06-30 | 1981-02-03 | United Technologies Corporation | Thermal barrier coating for nickel and cobalt base super alloys |
| WO1982001898A1 (en) * | 1980-12-05 | 1982-06-10 | Kvernes Ingard | Method for coating a metal with a protection layer resistant to hot gas corrosion |
| JPS5815742A (en) * | 1981-07-21 | 1983-01-29 | Nippon Kokan Kk <Nkk> | Engine part having flamed surface |
| EP0075228A2 (en) * | 1981-09-23 | 1983-03-30 | Battelle-Institut e.V. | Heat insulating ceramic coating having a resistance to high temperatures and to thermal shocks |
| JPS5852469A (en) * | 1981-09-24 | 1983-03-28 | Nippon Kokan Kk <Nkk> | Exhaust valve for diesel engine |
| EP0123952A2 (en) * | 1983-04-29 | 1984-11-07 | Goetze Ag | Wear-resistant coating |
Non-Patent Citations (4)
| Title |
|---|
| DERWENT, 85-317039 [51], N85-235641; & AU - A - 8 540 544 (REPCO LTD.) 03-10-1985 * |
| PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 139 (C-171) [1284], 17th June 1983; & JP - A - 58 52 469 (NIPPON KOKAN K.K.) 28-03-1983 * |
| PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 92 (M-208) [1237], 16th April 1983; & JP - A - 58 15 742 (NIPPON KOKAN K.K.) 29-01-1983 * |
| SOVIET POWDER METALLURGY AND METAL CERAMICS, vol. 11, no. 3, March 1972, page 253, New York, US; D.M. KARPINOS et al.: "Improving the adhesion of plasma-sprayed coatings to articles" * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT396119B (en) * | 1988-04-08 | 1993-06-25 | Stangl Kurt Dipl Ing | Method of applying an inscription to hot steel blocks |
| AT396120B (en) * | 1988-04-13 | 1993-06-25 | Stangl Kurt Dipl Ing | METHOD FOR LABELING HOT STEEL BLOCKS |
| GB2238349A (en) * | 1989-11-25 | 1991-05-29 | T & N Technology Ltd | Ceramic faced i.c. engine valves |
| GB2238349B (en) * | 1989-11-25 | 1993-09-15 | T & N Technology Ltd | Ceramic coated engine valves. |
| EP0580097A1 (en) * | 1992-07-20 | 1994-01-26 | HUGHES MISSILE SYSTEMS COMPANY (a Delaware corporation) | A method of forming magnetic-cermet dielectric coatings by plasma spraying of composite particles |
| US6123998A (en) * | 1992-08-12 | 2000-09-26 | Kabushiki Kaisha Toshiba | Ceramic coating method for metallic substrate utilizing a transitional layer of ceramic-metal |
| EP0583009A1 (en) * | 1992-08-12 | 1994-02-16 | Kabushiki Kaisha Toshiba | Ceramic coating method for metallic substrate |
| GB2305672A (en) * | 1995-09-29 | 1997-04-16 | Aea Technology Plc | An electrically isolating support for electronic components |
| US6048586A (en) * | 1996-06-05 | 2000-04-11 | Caterpillar Inc. | Process for applying a functional gradient material coating to a component for improved performance |
| WO1999051790A1 (en) * | 1998-04-08 | 1999-10-14 | Caterpillar Inc. | A process for applying a functional gradient material coating to a component for improved performance |
| EP1160348A2 (en) * | 2000-05-22 | 2001-12-05 | Praxair S.T. Technology, Inc. | Process for producing graded coated articles |
| EP1160348A3 (en) * | 2000-05-22 | 2003-10-29 | Praxair S.T. Technology, Inc. | Process for producing graded coated articles |
| EP1382707A1 (en) * | 2002-07-17 | 2004-01-21 | Siemens Aktiengesellschaft | Layer system |
| WO2004007787A1 (en) * | 2002-07-17 | 2004-01-22 | Siemens Aktiengesellschaft | Layered system |
| RU2640239C1 (en) * | 2016-07-12 | 2017-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего образования Новосибирский государственный аграрный университет | Method for producing paintwork coatings during repaire painting working bodies of technological machines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6293359A (en) | 1987-04-28 |
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