EP1048751A1 - Verfahren zum Aufbringen einer harten Beschichtung auf einen Gegenstand und beschichteter Gegenstand - Google Patents
Verfahren zum Aufbringen einer harten Beschichtung auf einen Gegenstand und beschichteter Gegenstand Download PDFInfo
- Publication number
- EP1048751A1 EP1048751A1 EP00810336A EP00810336A EP1048751A1 EP 1048751 A1 EP1048751 A1 EP 1048751A1 EP 00810336 A EP00810336 A EP 00810336A EP 00810336 A EP00810336 A EP 00810336A EP 1048751 A1 EP1048751 A1 EP 1048751A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- titanium dioxide
- aluminum oxide
- aluminum
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 26
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 title 2
- 239000010432 diamond Substances 0.000 claims abstract description 28
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 23
- 239000013078 crystal Substances 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 39
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 20
- 239000004408 titanium dioxide Substances 0.000 claims description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 5
- 230000000181 anti-adherent effect Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical compound [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007750 plasma spraying Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000003636 chemical group Chemical group 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 22
- 239000012790 adhesive layer Substances 0.000 claims 1
- 239000010942 ceramic carbide Substances 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000049 pigment Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000467686 Eschscholzia lobbii Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- ZPELUUXSICGWCH-UHFFFAOYSA-M [F-].[Al+3].[O-2].[O-2].[Ti+4].[O-2].[Al+3] Chemical compound [F-].[Al+3].[O-2].[O-2].[Ti+4].[O-2].[Al+3] ZPELUUXSICGWCH-UHFFFAOYSA-M 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PHTHEUNUXVDUOD-UHFFFAOYSA-N aluminum oxygen(2-) titanium(4+) Chemical compound [O-2].[O-2].[Ti+4].[O-2].[Al+3] PHTHEUNUXVDUOD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- 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
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
-
- 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
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
Definitions
- the invention relates to a method according to the preamble of patent claim 1 and a coated object according to the preamble of claim 6.
- the object of the invention is to produce an object essentially made of aluminum or to provide or create an aluminum alloy with a coating, wherein the coating is preferably hard and the good thermal conductivity of the article supported, so that this is preferred as a heater (iron, ...), kitchen appliance for roasting, baking, etc., as well as on other occasions where one uniform heating over the largest possible surface area desired or is required.
- the above object is achieved in that for a coating appropriately pretreated surface one in particular essentially Aluminum or an aluminum alloy existing object a coating is applied, in which diamonds are embedded.
- the diamonds in particular care due to their extremely good thermal conductivity for a good heat transfer from one Good lying on the coating to the object, which is also a good heat conductor. This ensures uniform heating of the goods.
- This coating is preferably used to support the mechanical Hardness of the embedded diamonds as a hard layer consisting essentially of an aluminum oxide / titanium dioxide mixed layer apply.
- Aluminum oxide as well as titanium dioxide in nature Known as sapphire or rutile, they are very hard. This great hardness is in the Aluminum oxide / titanium dioxide mixture then through the embedded diamond crystals enlarged.
- Diamond not only has the highest known hardness, but also that best (largest) known thermal conductivity.
- the hard aluminum oxide / titanium dioxide mixed layer as a so-called binder for the even harder diamond crystals a very hard coating, which has a very good thermal conductivity.
- the object to be coated from a good heat-conducting material namely in essential (negligible impurities are always present) aluminum or an aluminum alloy
- a coated object can anywhere wherever possible, the most uniform temperature possible over a large area.
- the layer containing diamonds is reduced compared to known layers, which also have an anti-adhesive effect, the "thermal barrier" resulting from this layer is essential.
- the invention is therefore preferred as a kitchen appliance (e.g. frying pan, ...) and in the Medical technology and aviation can be used.
- the hard layer can be provided with non-stick layers, which further improves its use as a non-stick pan.
- Non-stick coatings usually have a dark color. If a hard layer with 80 to 40 percent by weight of aluminum oxide (Al 2 O 3 ) and 20 to 60 percent by weight of titanium dioxide (TiO 2 ), preferably with about 60% of aluminum oxide and 40% of titanium dioxide, is applied, it is dark. A slight injury to a non-stick layer made of PTFE (polytetrafluoroethylene) applied over the hard layer is therefore no longer visible.
- PTFE polytetrafluoroethylene
- the hard layer can be covered by a fluorosilane layer, in which diamond crystals are also preferably incorporated, in their hardness behavior and in their flat thermal conductivity and their non-stick behavior can still be improved.
- This layer can then additionally be pigmented, in particular darkly pigmented which also causes minor injuries to the non-stick coating which do not disturb their non-stick effect, are hardly visible anymore.
- the coating 1 shown in the single figure is applied as an object to a pan base 3 made of aluminum.
- the surface 5 of the pan base 3 is pretreated for the subsequent coating.
- the surface 5 is degreased and sandblasted with corundum powder.
- the corundum powder has fine grains to which coarse grains are mixed.
- the coarse grains produce a roughness of approximately one hundred to two hundred micrometers on the surface 5 to be coated. This roughly roughened surface structure is overlaid with a finer roughness by fine grains of about ten to thirty micrometers.
- the whole object (pan) is brought to a temperature below 600 ° C in an oven.
- a temperature of 450 ° C. is preferably selected.
- a mixture with 80 to 40 percent by weight of aluminum oxide (Al 2 O 3 ) and 20 to 60 percent by weight of titanium dioxide (TiO 2 ) is applied.
- Al 2 O 3 aluminum oxide
- TiO 2 titanium dioxide
- about sixty percent by weight of aluminum oxide and forty percent by weight of titanium dioxide with an admixture of five to ten percent by weight of aluminum fluoride (AlF 3 ) are applied as a homogeneous mixture in a plasma spraying process as a thermal spraying process.
- AlF 3 aluminum fluoride
- aluminum fluoride is not mandatory; other non-stick materials can also be used. However, it is important to ensure compatibility with the aluminum oxide-titanium dioxide mixture.
- the material used must also remain under the thermal conditions of plasma spraying. In plasma spraying, diamond crystals are added, which have a diameter between 0.5 ⁇ m and 10 pm.
- the aluminum oxide-titanium dioxide-aluminum fluoride mixture with embedded diamond crystals is sprayed onto the surface 5 as a hard layer 7 up to a layer thickness of 50 ⁇ m to 150 ⁇ m. The applied hard layer 7 appears black.
- the diamond crystals must be mixed in such a way that they have no temperature exposed to temperatures above 900 ° C. At 900 ° C, diamond can transform into graphite or burn when exposed to oxygen. Of these 900 ° C should a sufficient temperature distance should be kept.
- the aluminum oxide as a relatively inexpensive material, gives the layer 7 the necessary hardness, while titanium dioxide gives this layer 7 the ductility and the dark or black color. Due to the ductility of the titanium dioxide, the coating is resistant to large temperature fluctuations, such as occur in frying pans.
- a further layer 9 made of fluorosilane, likewise with embedded diamond crystals with a diameter of 0.5 ⁇ m to 10 ⁇ m, can be applied to the hard layer 7 as a suspension.
- a pigment is preferably added to the suspension, with which the shade of the hard layer 7 is adjusted.
- the article is then heated in an oven in several stages (100 ° C, 250 ° C, 400 ° C) to 400 ° C to 430 ° C and held at the final temperature for about ten to fifteen minutes. It is not essential to apply this layer 9 .
- the non-stick effect of the coating is also given without this layer 9 ; however, it is still improved by this.
- a carbon black pigment is used as the pigment.
- PTFE polytetrafluoroethylene
- the coating 1 described here is very well non-stick to food to be heated (roasted) lying on it and also resistant to scratching with good "heat distribution" over the pan bottom. Should the top PTFE layer 11 nevertheless be scratched, this scratching is not visible due to the color adaptation of the layer 9 to the color of the hard layer 7 . The anti-adhesive property is hardly affected by this, since the layer 9 is also “anti-adhesive”.
- surfaces of irons, pots, surfaces of machine parts such as bearing shells, ... can be coated with the coating 1 described above.
- the diamonds can also be deposited using a reactive coating process in the presence of methane.
- this method is currently more expensive than directly inserting the diamond crystals.
- Group IVb includes titanium (Ti), zircon (Zr) and hafnium (Hf).
- Group Vb includes vanadium (V), niobium (Nb) and tantalum (Ta).
- the Vlb group includes chromium (Cr), molybdenum (Mo) and tungsten (W).
- the mixture described above has proven to be particularly advantageous.
- the layer 9 can also be applied and, after it has dried, the layer 11 immediately, both of which, as described above, then gradually or gradually increasing be heated.
- a PFA layer (P he f luor a lcyd) and a FEP-layer (F luor e Thylen p ropylene) as well as allied materials are used instead of a layer of PTFE.
- a hard layer on the object with embedded diamond crystals it is also possible to use another, for example Teflon-like, layer with embedded diamond crystals, which is not necessarily to be referred to as a hard layer.
- the item out of aluminum or an aluminum alloy it can also be made of stainless steel or iron.
- Aluminum or however, its alloys have the advantage of good thermal conductivity. Objects too copper can be coated accordingly; however, it is here make sure that no oxidation of the copper surface occurs.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Cookers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
- Laminated Bodies (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
Description
Claims (10)
- Verfahren zum Aufbringen einer, insbesondere antihaftenden Beschichtung (1) auf einem metallischen, eine hohe Wärmeleitfähigkeit ausweisendem Gegenstand (3), insbesondere im wesentlichen aus Aluminium oder einer Aluminiumlegierung, dadurch gekennzeichnet, dass auf eine für die Beschichtung (1) vorbehandelte Oberfläche (5) des Gegenstands (3) eine Schicht (7) mit eingelagerten Diamantkristallen aufgebracht wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass als Beschichtung mit eingelagerten Diamantkristallen Aluminiumoxid/Titandioxid-Mischschicht als Hartschicht (7) aufgebracht wird, wobei vorzugsweise die Hartschicht (7) mit 97 bis 40 Gewichtsprozent Aluminiumoxid (Al2O3) und 3% bis 60 Gewichtsprozent Titandioxid (TiO2), insbesondere mit 85% bis 40% Aluminiumoxid und 15% bis 60% Titandioxid, bevorzugt mit etwa 60% Aluminiumoxid und 40% Titandioxid aufgebracht wird, welcher vorzugsweise ein antihaftend wirkendes Material, dem insbesondere 5% bis 10% Aluminium-Fluorid (AlF3) unter entsprechender Reduzierung der Aluminiumoxid- bzw. Titandioxid-Anteile beigemischt werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die Hartschicht (7) mit einem thermischen Sprühverfahren, insbesondere mit einem Plasmasprühverfahren, bevorzugt mit einem Hochgeschwindigkeitsverfahren (HVOF = high velocity oxigen fuel)) aufgebracht wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass auf die Hartschicht (7) eine weitere Schicht (9) im wesentlichen aus Fluorsilan aufgebracht wird, in welche bevorzugt ebenfalls Diamantkristalle eingelagert werden.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die weitere Schicht (9) pigmentiert wird, um einen Schichtfarbton zu erreichen, welcher der Hartschicht (7) angeglichen ist, und bevorzugt eine Deckschicht (11) aufgebracht wird, wobei diese insbesondere als eine dünne PTFE-Schicht aufgebracht wird und in bevorzugter Weise in die Hartschicht (7) sowie insbesondere auch in die weitere Schicht (9) eingelagerte Diamantkristalle eine Größe zwischen 0.5 µm bis 10 µm haben.
- Eine hohe Wärmeleitfähigkeit aufweisender Gegenstand (3), insbesondere im wesentlichen aus Aluminium oder einer Aluminiumlegierung, beschichtet mit einem Verfahren nach einem der Patentansprüche 1 bis 5, gekennzeichnet durch eine Beschichtung (1), in die Diamantkristalle eingelagert sind.
- Gegenstand (3) nach Anspruch 6, dadurch gekennzeichnet, dass die Beschichtung eine Antihaftwirkung hat und wenigstens aus einer im wesentlichen aus einer Mischung von Aluminiumoxid (Al2O3) und Titiandioxid (TiO2), bestehenden Hartschicht (7), in die dann die Diamantkristalle eingelagert sind, aufgebaut ist.
- Gegenstand (3) nach Anspruch 7, dadurch gekennzeichnet, dass die Hartschicht (7) im wesentlichen 97 bis 40 Gewichtsprozent Aluminiumoxid und 3 bis 60 Gewichtsprozent Titandioxid, insbesondere 80% bis 40% Aluminiumoxid und 20% bis 60% Titandioxid, bevorzugt etwa 60% Aluminiumoxid und 40% Titandioxid enthält und vorzugsweise die Haftschicht (7) 5% bis 10% Aluminium-Fluorid (AlF3) als ein Antihaftwirkung entfaltendes Material unter entsprechender Reduzierung der Aluminiumoxid- bzw. Titandioxid-Anteile beigemischt sind.
- Gegenstand nach Anspruch 6, dadurch gekennzeichnet, dass die Beschichtung eine Hartschicht im wesentlichen aus einem keramischen Oxid und/oder einem keramischen Nitrid und/oder einem keramischen Carbid und/oder einem keramischen Oxinitrid und/oder einem keramischen Carbooxinitrid eines oder mehrerer Elemente aus den chemischen Gruppen IVb bis Vlb, des Aluminiums, des Nickels oder des Siliziums oder deren Mischungen ist.
- Gegenstand (3) nach Anspruch 6 bis 9, dadurch gekennzeichnet, dass auf der Diamanten enthaltenden Beschichtung (7) eine weitere Schicht (9) im wesentlichen aus Fluorsilan liegt, in die bevorzugt ebenfalls Diamantkristalle eingelagert sind, wobei vorzugsweise die Diamantkristalle in dieser weiteren Schicht (9) sowie in der Hartschicht (7) einen Durchmesser zwischen 0,5 µm und 10 µm haben und insbesondere eine Deckschicht (11) im wesentlichen aus PTFE als die oberste Schicht der Beschichtung (1) vorhanden ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH79099 | 1999-04-29 | ||
| CH79099 | 1999-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1048751A1 true EP1048751A1 (de) | 2000-11-02 |
| EP1048751B1 EP1048751B1 (de) | 2004-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| EP20000810336 Expired - Lifetime EP1048751B1 (de) | 1999-04-29 | 2000-04-18 | Verfahren zum Aufbringen einer harten Beschichtung auf einen Gegenstand und beschichteter Gegenstand |
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| Country | Link |
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| EP (1) | EP1048751B1 (de) |
| AT (1) | ATE280850T1 (de) |
| DE (1) | DE50008380D1 (de) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005037338A1 (de) * | 2005-08-04 | 2007-02-08 | Starnberger Beschichtungen Gmbh | Antihaftbeschichtung, Verfahren zu dessen Herstellung und antihaftbeschichtete Substratmaterialien |
| EP2332661A1 (de) | 2005-12-14 | 2011-06-15 | Dupont-Mitsui Fluorochemicals Company, Ltd. | Antihaftbeschichtungszusammensetzung mit Diamantenpartikeln und Substrat mit darauf angewandter Zusammensetzung |
| EP2586892A2 (de) | 2011-10-25 | 2013-05-01 | Stefan Hort | Kochgerät |
| EP2592174A1 (de) * | 2011-11-14 | 2013-05-15 | Siemens Aktiengesellschaft | Schichtsystem mit strukturierter Substratoberfläche und Verfahren zur Herstellung |
| JP2014091833A (ja) * | 2012-10-31 | 2014-05-19 | Seb Sa | 引っかき抵抗性および熱伝導特性が改善されたセラミックコーティング |
| CN106435564A (zh) * | 2016-11-14 | 2017-02-22 | 北京联合涂层技术有限公司 | 高性能锅具电磁涂层及其制造方法 |
| CN109930103A (zh) * | 2017-12-15 | 2019-06-25 | 佛山市顺德区美的电热电器制造有限公司 | 一种加热器具及其制备方法 |
| DE202023102922U1 (de) | 2023-05-26 | 2023-07-17 | SurFunction GmbH | Garvorrichtung zum Garen von Gargut |
| DE102023113923A1 (de) | 2023-05-26 | 2024-11-28 | SurFunction GmbH | Verfahren zur Oberflächenbehandlung einer Wirkoberfläche einer Garvorrichtung und Garvorrichtung zum Garen von Gargut |
| WO2024245840A1 (de) | 2023-05-26 | 2024-12-05 | SurFunction GmbH | Verfahren zur oberflächenbehandlung einer wirkoberfläche einer garvorrichtung und garvorrichtung zum garen von gargut |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5021904B2 (ja) | 2005-04-19 | 2012-09-12 | 三井・デュポンフロロケミカル株式会社 | フッ素樹脂塗膜 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005037338A1 (de) * | 2005-08-04 | 2007-02-08 | Starnberger Beschichtungen Gmbh | Antihaftbeschichtung, Verfahren zu dessen Herstellung und antihaftbeschichtete Substratmaterialien |
| EP2332661A1 (de) | 2005-12-14 | 2011-06-15 | Dupont-Mitsui Fluorochemicals Company, Ltd. | Antihaftbeschichtungszusammensetzung mit Diamantenpartikeln und Substrat mit darauf angewandter Zusammensetzung |
| EP2586892A2 (de) | 2011-10-25 | 2013-05-01 | Stefan Hort | Kochgerät |
| EP2586891A1 (de) | 2011-10-25 | 2013-05-01 | Stefan Hort | Kochgerät |
| EP2586892A3 (de) * | 2011-10-25 | 2014-05-21 | Stefan Hort | Kochgerät |
| US10371004B2 (en) | 2011-11-14 | 2019-08-06 | Siemens Aktiengesellschaft | Layer system with a structured substrate surface and production process |
| EP2592174A1 (de) * | 2011-11-14 | 2013-05-15 | Siemens Aktiengesellschaft | Schichtsystem mit strukturierter Substratoberfläche und Verfahren zur Herstellung |
| WO2013072092A1 (de) * | 2011-11-14 | 2013-05-23 | Siemens Aktiengesellschaft | Schichtsystem mit strukturierter substratoberfläche und verfahren zur herstellung |
| JP2014091833A (ja) * | 2012-10-31 | 2014-05-19 | Seb Sa | 引っかき抵抗性および熱伝導特性が改善されたセラミックコーティング |
| US9725809B2 (en) | 2012-10-31 | 2017-08-08 | Seb S.A. | Ceramic coating with scratch resistance and thermal conduction properties |
| CN106435564A (zh) * | 2016-11-14 | 2017-02-22 | 北京联合涂层技术有限公司 | 高性能锅具电磁涂层及其制造方法 |
| CN109930103A (zh) * | 2017-12-15 | 2019-06-25 | 佛山市顺德区美的电热电器制造有限公司 | 一种加热器具及其制备方法 |
| CN109930103B (zh) * | 2017-12-15 | 2023-11-14 | 佛山市顺德区美的电热电器制造有限公司 | 一种加热器具及其制备方法 |
| DE202023102922U1 (de) | 2023-05-26 | 2023-07-17 | SurFunction GmbH | Garvorrichtung zum Garen von Gargut |
| DE102023113923A1 (de) | 2023-05-26 | 2024-11-28 | SurFunction GmbH | Verfahren zur Oberflächenbehandlung einer Wirkoberfläche einer Garvorrichtung und Garvorrichtung zum Garen von Gargut |
| WO2024245840A1 (de) | 2023-05-26 | 2024-12-05 | SurFunction GmbH | Verfahren zur oberflächenbehandlung einer wirkoberfläche einer garvorrichtung und garvorrichtung zum garen von gargut |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE280850T1 (de) | 2004-11-15 |
| DE50008380D1 (de) | 2004-12-02 |
| EP1048751B1 (de) | 2004-10-27 |
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