Abstract: A composite material green body film includes a ceramic matrix including zirconium oxide, at least one secondary phase dispersed in the ceramic matrix, and an optional chemical stabilizer. The composite material green body film can be used to make a sensor.

Abstract: The invention relates to a ceramic composite material and to the production and use thereof. The invention especially relates to a zirconium oxide-based composite material, a homogeneous multiphase polycrystalline ceramic material.

Abstract: A device and a method are described for feeding a material layer onto a construction platform, or onto at least one material layer located on the construction platform, for producing an object, which is mounted to linearly move relative to a material reservoir and the construction platform along a motion plane. A circulating band is stretched around at least two molded bodies and contacts the molded bodies at least in segments. A drive circulates the band around the at least two bodies. The band has a band segment which can be fixedly in position relative to at least one body in the longitudinal section around the at least two molded bodies. At least the segments contact the material stored in the material reservoir during the linear motion from the material reservoir to the construction platform so that at least a part of the material is stripped off from the material reservoir and is applied as the material layer to the construction platform to compress the material layer.

Abstract: A device and a method are described for feeding a material layer onto a construction platform, or onto at least one material layer located on the construction platform, for producing an object, which is mounted so it is linearly movable relative to a material reservoir and the construction platform along a motion plane, to which the material reservoir and the construction platform can be orthogonally deflected. A circulating band IS stretched around at least two molded bodies, which contacts at least in segments the molded bodies. a drive circulates the band around the at least two bodies. The band has a band segment which can be fixedly assigned relative to at least one body in the longitudinal section around the at least two molded bodies.

Abstract: An assembled honeycomb structure includes at least two prismatic honeycomb segments. An outer cross section of each of the at least two prismatic honeycomb segments perpendicular to a flow direction in an interior of the assembled honeycomb structure is a quadrangle with included angles of one of: (i) about 60° and about 120°, or (ii) about 60°, about 90° and about 120°.

Abstract: The invention relates to the field of ceramics and relates to composite molded articles, such are used, for example, for chip-removal tools. The object of the invention is to disclose composite molded articles that are free in the design of their surface and interface and can be produced in series production. The object is attained through ceramic and/or powder metallurgical composite molded articles comprising a green tape and an injection molded article. The object is further attained through a method in which a green tape is inserted into or placed onto a mold, and subsequently at least one ceramic and/or powder metallurgical injection molding mass is placed on and/or applied to and/or inserted into the mold by means of injection molding, and subsequently the one-part or multi-part mold is removed and/or the one-part or multi-part composite molded part parts are removed from the mold, wherein these process steps can be repeated once or several times.

Abstract: The invention relates to the field of material sciences and relates to a metal-ceramic composite with good adhesive strength, such as can be used, for example, for forming tools or cutting tools. The object of the present invention lies in the disclosure of a metal-ceramic composite with good adhesive strength which has a strong and durable bond between ceramic and metal. The object is attained with a metal-ceramic composite with good adhesive strength, comprising a metal component and a ceramic component and which are connected to one another by adhesive force or by adhesive force and in a non-positive manner, wherein silicon, beryllium, titanium, chromium, nickel, manganese, hafnium, vanadium, zirconium, aluminum and/or the organic compounds thereof is present in the area of the connection surfaces and wherein the components have been processed as a greenbody to form a composite and jointly sintered.

Abstract: The invention relates to a spark plug and method for manufacturing it, which spark plug has been manufactured from one electrically conductive element and one electrically non-conductive element, sintered composite ceramic material having been used for the manufacture. These spark plugs can preferably be used for stationary-mode heaters, operated with fuels, of motor vehicles. According to the object which is set, it should be possible to manufacture such spark plugs cost-effectively and flexibly and at the same time provide an extended service life and oxidation resistance. The conductive element here is to be embraced on two opposite sides by the electrically non-conductive element and it has an enlarged cross section in the distal region while a cross-sectional ratio of between 2.5 and 5 to 1 is maintained with respect to the cross section of the electrically conductive element.

Abstract: The invention refers to the field of ceramics and relates to an assembled honeycomb, such as can be used, e.g., as a catalytic converter for cleaning exhaust gases. The object of the present invention is to disclose an assembled honeycomb that is assembled from honeycomb segments with simple cross-sectional shapes with only few variations. The object is attained through an assembled honeycomb, composed of at least two honeycomb segments, whereby the outer cross section of a honeycomb segment is a quadrangle with included angles of 60° and 120° or of 60° and 90° and 120°, and the lateral surfaces are in contact with one another in the interior of the assembled honeycomb, and in the cross section of the assembled honeycomb the corners of the outer cross section meet or are connected to one another by adhesive force as an extension of their sides at least at two but no more than five points, and the assembled honeycomb as a whole has a convex outer geometry with an outer cross section that is convex overall.

Abstract: The casting-mold material designed to manufacture casting molds used in casting high melting-point substances. The casting mold formed from a powder component containing magnesium oxide and aluminum oxide and a liquid component. The powder component additionally contains a calcium aluminate and an alkali fluoride or an earth alkali fluoride and the liquid component contains a polyelectrolyte and a basic component, the latter determining the liquid component pH value between 10 and 14. A fluid slip is prepared by mixing the powder and liquid components and is dried, hardened and sintered to produce a hollow mold.

Abstract: The invention relates to the area of ceramics and to ceramic multilayer filters, such as used for separating gases. The invention provides ceramic multilayer filters which are more economical to produce. To this end, the inventive ceramic multilayer filters include at least two layers of different particle size, the particle surfaces of all of the ceramic particles being completely or partially perfused with a material and spot and/or surface joints being formed between particles. The invention also provides a method for producing ceramic multilayer filters of this type, according to which slips are produced from at least two ceramic powders of different particle size, the particles of the ceramic powders being perfused with a material or a material in powder form being added to the ceramic slips. One or more layers are formed from the slips and then dried. At least two layers are placed one above the other and/or joined to each other and together are subjected to a temperature increase.

Abstract: The casting-mold material is designed to manufacture casting molds used in casting high melting-point substances. The casting mold of the invention comprisesis formed from a powder component containing magnesium oxide and aluminum oxide, furtherand a liquid component. The powder component additionally contains a calcium aluminate and an alkali fluoride or an earth alkali fluoride and the liquid component contains a polyelectrolyte and a basic component, the latter determining the liquid component pH value between 10 and 14. A fluid slip is prepared by mixing the powder and liquid components and will beis dried, hardened and then sintered to produce a hollow mold.

Abstract: The invention relates to the area of ceramics and to a ceramic flat membrane which is configured as a multi-channel element. The aim of the invention is to provide a ceramic flat membrane with a larger effective membrane surface. To this end, the inventive ceramic flat membrane consists of at least two layers of at least two sub-layers of different porosity, at least one of these layers having a non-planar geometry. The two layers are joined to each other with at least spot joins and integral joins. The invention also provides a method for producing a flat membrane of this type. According to this method, suspensions are produced from at least two ceramic powders of different particle size. Two sub-layers are formed from the suspensions, then dried and joined to form one layer.

Abstract: The invention relates to the field of ceramic and hard metal industries and concerns a process for manufacturing hard metal parts, in particular th having a complex geometry, such as those used for example as machining tools and wear elements. The object of the invention is to create a process which allows the manufacture of hard metal parts with a complex geometry by using a stable dispersed hard metal-binder suspension, wherein the binder is a thermoplastic binder having a viscosity of 3 to 6 mPa s, and without using an organic solvent to eliminate the binder. For that purpose, a process is disclosed wherein a hard metal powder having an average grain size smaller than 2.0 .mu.m is mixed with a liquefied thermoplastic binder, with viscosity of the mixture being set upon a value of at least 100 mPa s and up to 4,000 mPa s during the whole production and treatment process.