# US 2014/0193635 A1 · Casting Component and Method for the Application of an Anticorrosive Layer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193635 A1 - Document ID: US20140193635A1 - Status: Published application - Kind: A1 - Application number: 14/128,939 - Filed: 2012-06-22 - Published: 2014-07-10 - Earliest claimed: 2011-06-24 - Assignees: Oskar Frech GmbH + Co. KG - Applicants: Oskar Frech GmbH + Co. KG - Inventors: Norbert Erhard; Helmar Dannenmann; Juergen Kurz; Andreas Sydlo; Daniel Gerner - Web page: https://patentgrep.com/patent/US20140193635A1 ## CPC - B22C 9/08: Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates - B22D 17/2015: {Means for forcing the molten metal into the die (for plastics B29C45/46)} - C23C 18/1216: {Metal oxides (C23C18/1212 takes precedence)} - C23C 18/122: {Inorganic polymers, e.g. silanes, polysilazanes, polysiloxanes} - C23C 18/1225: {Deposition of multilayers of inorganic material} - C23C 18/1241: {Metallic substrates} - C23C 18/1254: {Sol or sol-gel processing} - C23C 18/127: {Preformed particles} - C23C 28/04: only coatings of inorganic non-metallic material - C23C 30/00: Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process (C23C26/00, C23C28/00 take precedence) - F27D 15/00: Handling or treating discharged material; Supports or receiving chambers therefor - Y10T 428/256: Heavy metal or aluminum or compound thereof - B22C: FOUNDRY MOULDING (moulding refractory materials in general B28B) - B22D: CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B29C; metallurgical processing, selection of substances to be added to metal C21, C22) - 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 (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) - F27D: DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A casting component and method for the application of an anticorrosive layer to a substrate, such as the casting component, are provided. The casting component for a device for casting a metal melt includes a metallic basic body and a melt contact surface region which is exposed to the metal melt during casting operation. In the casting component, the metallic basic body is provided in the melt contact surface region with an anticorrosive layer which is resistant to the metal melt and which is formed, using microparticles and/or nanoparticles of one or more substances from a substance group which includes borides, nitrides and carbides of the transition metals and their alloys and also of boron and silicon and Al2O3. ## Claims ### Claim at position 1 1-14. (canceled) ### Claim 15 A casting component for a device for casting or handling a metal melt, the component comprising a metallic basic body and a melt contact surface region which is exposed to the metal melt during casting operation, wherein the metallic basic body is provided in the melt contact surface region with an anticorrosive layer which is resistant to the metal melt and which is formed, using at least one of microparticles or nanoparticles of one or more substances from a substance group which comprises borides, nitrides and carbides of the transition metals and their alloys and also boron and silicon and Al2O3. ### Claim 16 (depends on 15) The casting component according to claim 15, wherein the microparticles or nanoparticles have an average particle size of between 50 nm and 50 μm. ### Claim 17 (depends on 16) The casting component according to claim 16, wherein the microparticles or nanoparticles have an average particular size of between 100 nm and 30 μm. ### Claim 18 (depends on 15) The casting component according to claim 15, wherein the anticorrosive layer is formed, using microparticles or nanoparticles composed of TiB2. ### Claim 19 (depends on 15) The casting component according to claim 15, wherein the anticorrosive layer is a sol/gel layer with the microparticles or nanoparticles as a filler. ### Claim 20 (depends on 19) The casting component according to claim 19, wherein the sol/gel layer has a zirconium-based or silicon-based gel former. ### Claim 21 (depends on 19) The casting component according to claim 19, wherein the sol/gel layer has an additionally administered alkali or alkaline earth metal salt or an additionally administered viscosity-setting polymer. ### Claim 22 (depends on 19) The casting component according to claim 19, wherein the sol/gel layer is formed by a plurality of gel layer plies, at least two of which have microparticles or nanoparticles of identical or different substances, or at least one layer ply is formed without microparticles or nanoparticles. ### Claim 23 (depends on 15) The casting component according to claim 15, wherein the basic body is formed from a steel material. ### Claim 24 (depends on 15) The casting component according to claim 15, wherein the casting component is configured for use in a device for casting an aluminum melt. ### Claim 25 (depends on 15) The casting component according to claim 15, wherein the casting component is configured for use in a metal diecasting machine. ### Claim 26 (depends on 15) The casting component according to claim 15, wherein the casting component is configured for use as a casting fitting, a casting vessel, a melt furnace constituent, a melt conveying constituent, a casting mold constituent or a part of one of these diecasting machine constituents. ### Claim 27 A method for applying an anticorrosive layer to a substrate, the method comprising the steps of: performing a sol/gel process; and in performing the sol/gel process, using at least one of microparticles or nanoparticles with an average particle size of between 100 nm and 30 μm as a filler. ### Claim 28 (depends on 27) The method according to claim 27, wherein the substrate is a casting component for a device for casting or handling a metal melt, the component comprising a metallic basic body and a melt contact surface region which is exposed to the metal melt during casting operation, wherein the metallic basic body is provided in the melt contact surface region with an anticorrosive layer which is resistant to the metal melt and which is formed, using at least one of microparticles or nanoparticles of one or more substances from a substance group which comprises borides, nitrides and carbides of the transition metals and their alloys and also boron and silicon and Al2O3. ### Claim 29 (depends on 27) The method according to claim 27, wherein, in the sol/gel process, a plurality of gel layer plies are formed, at least two of which are loaded with the microparticles or nanoparticles of identical or different substances as a filler. ### Claim 30 (depends on 27) The method according to claim 27, wherein, in the sol/gel process, a plurality of gel layer plies are formed, at least a last of which is applied, filler-free, without the microparticles or nanoparticles. ### Claim 31 (depends on 27) The method according to claim 27, wherein, after the formation of one or more gel layer plies, a vitrifying baking step is carried out at a temperature of between 500° C. and 650° C.