Abstract: The invention relates to a method of manufacturing ceramic and/or metallic components in which a support structure surrounding at least one free space is formed using a polymer and in which at least one free space is filled in at least one predefinable portion with a plastically deformable or liquid mixture of least one metal powder or ceramic powder and at least one organic binder. In this respect, the mixture contacts the wall of the structure at least in part. Subsequently, in a first thermal treatment, the mixture is transformed into a state having a sufficient strength for maintaining its geometrical shape and a temperature is observed in so doing at which the polymer forming the support structure remains stable in shape. Subsequently, in a second thermal treatment, the temperature is increased and in so doing the polymer forming the support structure is completely decomposed and the metal powder and/or ceramic powder is/are sintered.

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: Process for preparing granules of oxidic or nonoxidic metal compounds, characterized in that a dispersion which comprises water, oxidic or nonoxidic metal compounds and at least one dispersant is spray-dried,—where the proportion of oxidic or nonoxidic metal compounds is 40 to 70% by weight and the sum of the proportions of water and the particles is at least 70% by weight and—the particles have a BET surface area of 20 to 150 m2/g and a median of the particle size of less than 100 nm,—where the dispersant is present in the dispersion with a proportion of 0.25 to 10% by weight based on the oxidic or nonoxidic metal compounds and—where the spray-drying is performed by atomization with air in the cocurrent principle or fountain principle, and an air inlet temperature of 170 to 300° C. and an air outlet temperature of 90 to 130° C. are selected.

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: Granular products with individual granules with virtually spherical particles of a homogeneous density distribution are produced by converting solids into suspensions, atomizing the suspensions and drying them by sublimation drying.