DE3707396A1 - Process for producing a ceramic material and process for coating of workpieces with this material - Google Patents

Process for producing a ceramic material and process for coating of workpieces with this material

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Publication number
DE3707396A1
DE3707396A1 DE19873707396 DE3707396A DE3707396A1 DE 3707396 A1 DE3707396 A1 DE 3707396A1 DE 19873707396 DE19873707396 DE 19873707396 DE 3707396 A DE3707396 A DE 3707396A DE 3707396 A1 DE3707396 A1 DE 3707396A1
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workpieces
ceramic
weight
tio
granules
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DE19873707396
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DE3707396C2 (en
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Georg Dr Kalawrytinos
Constantin Dr Zografou
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/478—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on aluminium titanates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
    • C04B41/515—Other specific metals
    • C04B41/5155—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/88—Metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon

Abstract

It is known that silicate-containing aluminium titanate with the addition of oxide compounds can be used as a material for producing refractory articles. From this starting material there is produced a melt which, after solidification thereof, is comminuted and, with addition of a binder, is converted into a suspension from which spherical granules are produced. This material is simple to produce and is also suitable for shaping (forming) bodies which can be used as ceramic linings. So that prefabrication of the ceramic linings as compact construction parts can be omitted and the ceramic material can instead be applied to workpieces by spraying, it is proposed that granules having a size between 5 and 90 mu be separated from the intermediate product and that these be subjected to firing. The duration of firing is from about 5 to 120 minutes, the temperature being between 400 and 900@C. The ceramic material improved in this way is outstandingly suitable for application by spraying onto workpiece surfaces to be coated.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines keramischen Werkstoffes, der zu mehr als 90 Gew.-% aus β-Al2TiO5 besteht, und erstreckt sich auf ein Verfahren zur Beschichtung von Werkstücken aus Metall, Keramik, Holz, Kunststoff oder anorganischen Fasermaterialien.The invention relates to a method for producing a ceramic material, which consists of more than 90 wt .-% of β- Al 2 TiO 5 , and extends to a method for coating workpieces made of metal, ceramic, wood, plastic or inorganic fiber materials .

Als Werkstoff zur Herstellung von feuerfesten Gegenständen ist es allgemein bekannt, silikathaltiges Aluminium-Titanat zu verwenden. Je nach Zusammensetzung des Werkstoffes weisen daraus hergestellte keramische Metallverbundkörper eine gute Temperaturbeständigkeit, eine hohe Korrosions­ festigkeit und eine ausreichende mechanische Festigkeit auf.As a material for the manufacture of refractory objects it is well known, aluminum titanate containing silicate to use. Depending on the composition of the material exhibit ceramic metal composite bodies produced therefrom good temperature resistance, high corrosion strength and sufficient mechanical strength.

Aus der DE-AS 27 50 290 ist es bereits bekannt, durch die kombinierte Zugabe von Oxidverbindungen die Eigenschaften von Aluminium-Titanat zu verbessern. Danach läßt sich silikathaltiges Aluminium-Titanat, bestehend aus Rohstoffen mit einer Korngröße unter 0,6 µ und einer chemischen Zusammensetzung von 50 bis 60 Gew.-% Al2O3, 40 bis 45 Gew.-% TiO2, 2 bis 5 Gew.-% Kaolin und 0,1 bis 1 Gew.-% Magnesiumsilikat als Werkstoff zur Herstellung von Gegenständen verwenden, die einen Temperaturschock­ koeffizienten von R = 130 bis 180 (W/cm), eine Wärmedämmung von λ = 0,01 bis 0,03 (W/cm K), einen Ausdehnungs­ koeffizienten von AK = ⁺ 0,5 × 10-6/°C, einen E-Modul von ca. 13 × 103 (N/mm2) und eine Biegefestigkeit von σ B = 40 (N/mm2) bzw. eine Druckfestigkeit von σ D = 700 (N/mm2), ferner eine Nichtbenetzbarkeit gegenüber den meisten NE-Metallen und Laugenbeständigkeit besitzen.From DE-AS 27 50 290 it is already known to improve the properties of aluminum titanate by the combined addition of oxide compounds. Thereafter, silicate-containing aluminum titanate, consisting of raw materials with a grain size of less than 0.6 μm and a chemical composition of 50 to 60 wt.% Al 2 O 3 , 40 to 45 wt.% TiO 2 , 2 to 5 wt .-% kaolin and 0.1 to 1 wt .-% magnesium silicate as a material for the production of objects that have a temperature shock coefficient of R = 130 to 180 (W / cm), a thermal insulation of λ = 0.01 to 0, 03 (W / cm K), an expansion coefficient of AK = ⁺ 0.5 × 10 -6 / ° C, an E modulus of approx. 13 × 10 3 (N / mm 2 ) and a bending strength of σ B = 40 (N / mm 2 ) or a compressive strength of σ D = 700 (N / mm 2 ), furthermore non-wettability compared to most non-ferrous metals and alkali resistance.

Der bekannte Werkstoff hat die Vorteile, daß er einfach herzustellen ist und daraus auch Körper geformt werden können, ohne ein teures Heißpressen oder andere aufwendige Verfahren benutzen zu müssen. Deshalb wird auch vorgeschlagen, aus dem silikathaltigen Aluminium-Titanat mit Zugaben von Oxidverbindungen in vorteilhafter Weise Feuerfestprodukte, insbesondere Gießereiartikel, wie Thermoelementenschutzrohre, Gaseinleitungsrohre, Verschlußstopfen, Steigrohre, Ventilstopfen, Gießlöffel, Gießauskleidungen und Steigereinsätze herzustellen. Auch wird der bekannte Werkstoff zur Herstellung von Metall-Keramik-Verbundkörpern, insbesondere Zylinderkopf-Abgasstränge und Abgassammelleitungen, empfohlen. Bei diesen Anwendungsfällen muß aber aus dem Werkstoff zunächst ein Formkörper hergestellt werden, der sodann zu sintern ist. Der gesinterte Formkörper kann in flüssiges Aluminium eingetaucht oder nach bekannten Gießereiverfahren in eine Gießform eingesetzt werden, worauf geschmolzenes Aluminium in den verbleibenden Formenhohlraum eingegossen wird. Auf diese Weise läßt sich ein mit Keramik ausgekleideter, wärmeisolierter Metallhohl­ körper herstellen. The known material has the advantages that it is simple is to be produced and bodies are formed from it can, without an expensive hot pressing or other elaborate Having to use procedures. Therefore, too suggested from the silicate-containing aluminum titanate with additions of oxide compounds in an advantageous manner Refractory products, especially foundry items such as Thermocouple protection tubes, gas inlet tubes, Sealing plugs, riser pipes, valve plugs, watering spoons, To produce casting linings and riser inserts. Also becomes the well-known material for the production of Metal-ceramic composite bodies, in particular Cylinder head exhaust lines and exhaust manifolds, recommended. In these applications, however, the First of all, a molded body is made of material then to sinter. The sintered molded body can be in liquid aluminum immersed or according to known Foundry processes are used in a mold, whereupon molten aluminum in the remaining Mold cavity is poured. In this way a heat-insulated metal hollow lined with ceramics make body.  

Wegen der dabei erforderlichen Vorfertigung der Keramik­ auskleidung als kompaktes Konstruktionsteil, gestaltet sich der Herstellungsprozeß derartiger Produkte insgesamt als sehr aufwendig, wogegen es produktionstechnisch wesentlich vorteilhafter wäre, die Keramikauskleidung durch eine thermische Spritzbeschichtung des Werkstückes zu erzielen, zumal sich dabei im Gegensatz zu kompakten Konstruktionsteilen wesentlich geringere Ausschußraten ergeben.Because of the required prefabrication of the ceramics lining as a compact structural part, designed the manufacturing process of such products as a whole very complex, whereas it is essential in terms of production technology it would be more advantageous to use a ceramic lining to achieve thermal spray coating of the workpiece, especially since in contrast to compact Construction parts significantly lower rejection rates surrender.

Obschon auch Spritzbeschichtungsverfahren dieser Art allgemein bekannt sind, läßt sich damit silikathaltiges Aluminium-Titanat aus Rohstoffen mit einer Korngröße unter 0,6 µ nicht auftragen, weil die geringe Korngröße zu einer Agglomeration der Werkstoffpartikel führt, bevor diese eine homogene Beschichtung auf der Werkstückoberfläche bilden können.Even spray coating processes of this kind are generally known, it can be silicate-containing Aluminum titanate from raw materials with a grain size below Do not apply 0.6 µ because of the small grain size Agglomeration of the material particles leads before this one Form a homogeneous coating on the workpiece surface can.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Herstellung eines keramischen Werkstoffes für eine Ausklei­ dung von Werkstücken vorzuschlagen, der es insbesondere er­ laubt, im thermischen Spritzverfahren auf eine zu beschich­ tende Oberfläche von Werkstücken aufgetragen zu werden.The invention has for its object a method for Production of a ceramic material for a lining to propose workpieces, which he especially leaves to coat on one in the thermal spray process to be applied to the surface of workpieces.

Zur Lösung dieser Aufgabe wird von einem Verfahren gemäß dem Oberbegriff des Anspruchs 1 ausgegangen und erfindungsgemäß vorgeschlagen, aus dem so erhaltenen Zwischenprodukt Granalien mit einer Größe zwischen 5 und 90 µ zu separieren und die separierten Granalien für die Dauer von etwa 5 bis 120 min einer Glühbehandlung mit einer Temperatur zwischen 400 und 900°C zu unterwerfen. To solve this problem, a method according to Preamble of claim 1 based and according to the invention proposed from the intermediate so obtained Separate granules with a size between 5 and 90 µ and the separated granules for about 5 to 120 min of an annealing treatment with a temperature between To be subjected to 400 and 900 ° C.  

Durch die erfindungsgemäße Glühbehandlung der separierten Granalien erfolgt eine Veredlung bzw. Modifikation des Werkstoffes, wobei sich vermutlich der organische Binder rückstandslos auflöst. Die Dauer der Gühbehandlung ist umso kürzer je größer der Anteil der Granalien ist, die sich der unteren Grenze des Kornspektrums nähern. Keinesfalls darf die Glühbehandlung zu einer Agglomeration der Granalien führen.Through the annealing treatment according to the invention of the separated Granules are refined or modified Material, presumably the organic binder dissolves without residue. The duration of the heat treatment is the shorter the larger the proportion of the granules, the approach the lower limit of the grain spectrum. Under no circumstances may the annealing treatment lead to an agglomeration of the granules.

Durch Versuche konnte nachgewiesen werden, daß sich der nach dem erfindungsgemäßen Verfahren hergestellte Werkstoff bei ausreichender Haftung und Dichte in Schichten ab 0,03 mm bis über 3,00 mm auftragen läßt, wobei die Thermoschockbeständigkeit und der Korrosionsschutz dieser Schichten hervorragende Werte erreichen.Tests have shown that the after material produced by the method according to the invention sufficient adhesion and density in layers from 0.03 mm can be applied to over 3.00 mm, the Resistance to thermal shock and protection against corrosion Layers achieve excellent values.

Der erfindungsgemäße Beschichtungswerkstoff eignet sich besonders für ein Verfahren zur Spritzbeschichtung von Werkstücken aus Metall, Keramik, Holz, Kunststoff oder anorganischen Fasermaterialien, wobei auf den zu beschichtenden Flächen der Werkstücke zunächst eine Schicht aus einem Haftvermittler, beispielsweise eine Chrom-Nickel-Schicht, und darauf der die Oberfläche bildende Beschichtungswerkstoff aufgebracht wird.The coating material according to the invention is suitable especially for a process for spray coating Workpieces made of metal, ceramic, wood, plastic or inorganic fiber materials, whereby to the coating surfaces of the workpieces first a layer from an adhesion promoter, for example one Chrome-nickel layer, and then the surface forming coating material is applied.

Trotz des Erfordernisses, auf die zu beschichtenden Flächen der Werkstücke zunächst eine Schicht aus einem Haftver­ mittler aufzubringen, ermöglicht das erfindungsgemäße Spritzverfahren eine größere Wirtschaftlichkeit, insbesondere für bestimmte Einsatzgebiete, wie z. B. Stellen an Auspuffkrümmern oder an Auslaßventilsitzen, im Vergleich zu kompakten Keramikteilen, die nach dem Gieß- und Sinterverfahren hergestellt sind, zumal der Einsatz von Modellen und Formen zur Herstellung einer keramischen Auskleidung gänzlich entfällt. Nach dem erfindungsgemäßen Verfahren hergestellte Beschichtungen zeichen sich auch durch eine Duktilität und somit gewisse Elastizität gegenüber der bekannten Kompaktkeramik aus.Despite the requirement, on the surfaces to be coated the workpieces first a layer of an adhesive Applying medium enables the invention  Spraying process a greater economy, especially for certain areas of application, such as B. Places on exhaust manifolds or on exhaust valve seats, in Comparison to compact ceramic parts, which after the casting and sintering processes, especially since the use of Models and molds for making a ceramic Lining completely eliminated. According to the invention Processed coatings also stand out through a ductility and thus a certain elasticity compared to the known compact ceramic.

Schließlich können nach einer Ausgestaltung des erfindungs­ gemäßen Spritzverfahrens zur Pufferung des Ausdehnungs­ koeffizienten und zur Verbesserung der Thermo-Schock- Beständigkeit mehrere Schichten aufeinanderfolgend auf die Werkstücke aufgebracht werden.Finally, according to an embodiment of the invention according to the spraying method for buffering the expansion coefficients and to improve the thermal shock Resistance to successive layers on the Workpieces are applied.

Nach dem erfindungsgemäßen Verfahren hergestellter und aufgespritzter Werkstoff aus schmelzgegossenem mulithaltigem β-Aluminium-Titanat kann somit in besonders einfacher Weise dazu dienen, Werkstücke aus unterschiedichstem Material mit einer temperatur-, korrosions- und verschleißbeständigen Beschichtung zu versehen.Material produced and sprayed on by the process according to the invention from melt-cast, multipurpose β- aluminum titanate can thus be used in a particularly simple manner to provide workpieces made of different materials with a temperature, corrosion and wear-resistant coating.

Claims (3)

1. Verfahren zur Herstellung eines keramischen Werk­ stoffes, der zu mehr als 90 Gew.-% aus β-Al2TiO5 besteht, eine chemische Zusammensetzung aus 53,00- 55,50 Gew.-% Al2O3 und 32,75-43,90 Gew.-% TiO2 aufweist und folgende zusätzliche Oxide enthält: 0,05-3,00 Gew.-% ZrO2 0,15-7,90 Gew.-% SiO2 -3,00 Gew.-% MgO 0,01-0,05 Gew.-% CaO 0,20-0,50 Gew.-% Fe2O3 0,20 Gew.-% Na2Ound dessen mineralogische Gesamtzusammensetzung aus reinem, mit MgO oder Fe2O3 stabilisiertem β-Al2TiO5 und β-Al2TiO5 mit 3 Al2O3-2 SiO2, Mg Al2O4, Al2O3 und ZrO2 besteht, wobei aus diesem Ausgangsstoff eine Schmelze erzeugt wird, die nach ihrem Erstarren zerkleinert und mit einem Anteil von 0,5-3,0 Gew.-% eines organischen Binders mit mehr als 4 C-Atomen in eine Suspension überführt wird, aus der durch Sprühtrocknung etwa kugelförmige Granalien mit einem Kornspektrum zwischen 10 und 250 µ erzeugt werden, dadurch gekennzeichnet, daß aus diesem Zwischenprodukt Granalien mit einer Größe zwischen 5 und 90 µ separiert und für die Dauer von etwa 5-120 min einer Glühbehandlung mit einer Temperatur zwischen 400 und 900°C unterworfen werden.1. A process for producing a ceramic material which consists of more than 90% by weight of β- Al 2 TiO 5 , a chemical composition of 53.00-55.50% by weight of Al 2 O 3 and 32, 75-43.90 wt .-% TiO 2 and contains the following additional oxides: 0.05-3.00 wt .-% ZrO 2 0.15-7.90 wt .-% SiO 2 -3.00 wt. -% MgO 0.01-0.05% by weight CaO 0.20-0.50% by weight Fe 2 O 3 0.20% by weight Na 2 O and its total mineralogical composition of pure, with MgO or Fe 2 O 3 stabilized β -Al 2 TiO 5 and β -Al 2 TiO 5 with 3 Al 2 O 3 -2 SiO 2 , Mg Al 2 O 4 , Al 2 O 3 and ZrO 2 , a melt being produced from this starting material is crushed after solidification and with a proportion of 0.5-3.0 wt .-% of an organic binder with more than 4 carbon atoms in a suspension, from which spherical granules with a particle size range between by spray drying 10 and 250 µ are generated, characterized in that granules with a size from this intermediate between 5 and 90 µ separated and subjected to an annealing treatment with a temperature between 400 and 900 ° C for about 5-120 min. 2. Verfahren zur Beschichtung von Werkstücken aus Metall, Keramik, Holz, Kunststoff oder anorganischen Fasermaterialien, gekennzeichnet durch die Verwendung eines nach Anspruch 1 hergestellten Werkstoffes, wobei auf den zu beschichtenden Flächen der Werkstücke zunächst eine Schicht aus einem Haftvermittler, beispielsweise eine Chrom-Nickel-Schicht, und darauf der die Oberfläche bildende Beschichtungswerkstoff aufgespritzt wird.2. Process for coating metal workpieces, Ceramic, wood, plastic or inorganic Fiber materials, characterized by the use of a material produced according to claim 1, wherein on the surfaces of the workpieces to be coated first a layer of an adhesion promoter, for example a chrome-nickel layer, and on top of it the coating material forming the surface is sprayed on. 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß zur Pufferung des Ausdehnungskoeffizienten und zur Verbesserung der Thermoschockbeständigkeit mehrere Schichten aufeinanderfolgend auf die Werkstücke aufgebracht werden.3. The method according to claim 2, characterized in that to buffer the expansion coefficient and Improvement of thermal shock resistance several Layers successively on the workpieces be applied.
DE19873707396 1987-03-09 1987-03-09 Process for producing a ceramic material and process for coating of workpieces with this material Granted DE3707396A1 (en)

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EP0394817A1 (en) * 1989-04-26 1990-10-31 Osaka Fuji Corporation Method of producing metal-ceramic-composite
EP0506475A2 (en) * 1991-03-29 1992-09-30 Ngk Insulators, Ltd. Aluminium titanate structure and process for producing the same
US5288672A (en) * 1988-04-26 1994-02-22 Bayer Aktiensesellschaft Ceramics based on aluminum titanate, process for their production and their use
US5399407A (en) * 1988-04-11 1995-03-21 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium
DE4436823C1 (en) * 1994-10-14 1996-05-02 Haldenwanger Tech Keramik Gmbh Support body made of SiC and its use
EP0742187A2 (en) * 1995-05-08 1996-11-13 W. HALDENWANGER TECHNISCHE KERAMIK GMBH & CO. KG Ceramic element
WO2003091183A1 (en) 2002-04-26 2003-11-06 Ohcera Co., Ltd. Method for producing aluminum titanate sintered compact
WO2010001064A2 (en) * 2008-07-04 2010-01-07 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising al, ti and mg and ceramic products comprising such grains
WO2010149940A1 (en) * 2009-06-26 2010-12-29 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising al, ti, si and ceramic products comprising such grains
FR2948657A1 (en) * 2009-07-28 2011-02-04 Saint Gobain Ct Recherches OXIDE-FILLED GRAINS COMPRISING AL, IT AND CERAMIC PRODUCTS COMPRISING SUCH GRAINS

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EP0506475A3 (en) * 1991-03-29 1993-04-28 Ngk Insulators, Ltd. Aluminium titanate structure and process for producing the same
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WO2010001064A2 (en) * 2008-07-04 2010-01-07 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising al, ti and mg and ceramic products comprising such grains
WO2010001064A3 (en) * 2008-07-04 2010-11-25 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising al, ti and mg and ceramic products comprising such grains
FR2933398A1 (en) * 2008-07-04 2010-01-08 Saint Gobain Ct Recherches OXIDE-FILLED GRAINS COMPRISING AL, TI AND MG AND CERAMIC PRODUCTS COMPRISING SUCH GRAINS
US8715807B2 (en) 2008-07-04 2014-05-06 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising Al, Ti and Mg and ceramic products comprising such grains
WO2010149940A1 (en) * 2009-06-26 2010-12-29 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising al, ti, si and ceramic products comprising such grains
FR2947260A1 (en) * 2009-06-26 2010-12-31 Saint Gobain Ct Recherches Etudes OXIDE-FILLED GRAINS COMPRISING AL, IT, SI AND CERAMIC PRODUCTS COMPRISING SUCH GRAINS
US8557010B2 (en) 2009-06-26 2013-10-15 Saint-Gobain Centre De Recherches Et D'etudes Europeen Fused grains of oxides comprising Al, Ti, Si and ceramic products comprising such grains
FR2948657A1 (en) * 2009-07-28 2011-02-04 Saint Gobain Ct Recherches OXIDE-FILLED GRAINS COMPRISING AL, IT AND CERAMIC PRODUCTS COMPRISING SUCH GRAINS
WO2011015766A1 (en) * 2009-07-28 2011-02-10 Saint-Gobain Centre De Recherches Et D'etudes Europeen Molten oxide grains including al and ti, and ceramic materials comprising said grains
CN102574744A (en) * 2009-07-28 2012-07-11 欧洲技术研究圣戈班中心 Molten oxide grains including Al and Ti, and ceramic materials comprising said grains
US8557012B2 (en) 2009-07-28 2013-10-15 Saint-Gobain Centre De Recherches Et D'etudes Europeen Molten oxide grains including Al and Ti, and ceramic materials comprising said grains
CN102574744B (en) * 2009-07-28 2015-09-09 欧洲技术研究圣戈班中心 Containing the melt oxidation composition granule of Al and Ti, and comprise the ceramic product of this particle

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