B22F2202/00

METHOD FOR RELEASING METAL SUPPORT STRUCTURES IN AN ADDITIVE MANUFACTURING PROCESS

Method for additive manufacturing of a metallic component includes providing a metallic powder; providing and/or producing a metallic support structure on a build platform, wherein the metallic support structure has at least one detachment point having an electrical resistance different than an electrical resistance of an adjacent section of the support structure and an electrical resistance of an adjacent section of the metallic component; consolidating the metallic powder with formation of the metallic component and, optionally, with formation of the metallic support structure at least in sections, wherein the metallic support structure connects the metallic component to the build platform; releasing the metallic component from the metallic support structure by bringing about an electrical current in the detachment point.

METHOD FOR RELEASING METAL SUPPORT STRUCTURES IN AN ADDITIVE MANUFACTURING PROCESS

Method for additive manufacturing of a metallic component includes providing a metallic powder; providing and/or producing a metallic support structure on a build platform, wherein the metallic support structure has at least one detachment point having an electrical resistance different than an electrical resistance of an adjacent section of the support structure and an electrical resistance of an adjacent section of the metallic component; consolidating the metallic powder with formation of the metallic component and, optionally, with formation of the metallic support structure at least in sections, wherein the metallic support structure connects the metallic component to the build platform; releasing the metallic component from the metallic support structure by bringing about an electrical current in the detachment point.

METHOD FOR REMOVING A SUPPORT STRUCTURE AND TOOL THEREFOR

A method for removing a support structure in a component produced by additive manufacturing provides that explosive gas introduced into a pressure chamber is ignited, wherein a gas conveying device with which the flame front is guided into the cavity is also additionally provided in the chamber. A tool for carrying out the method is also indicated.

METHOD FOR REMOVING A SUPPORT STRUCTURE AND TOOL THEREFOR

A method for removing a support structure in a component produced by additive manufacturing provides that explosive gas introduced into a pressure chamber is ignited, wherein a gas conveying device with which the flame front is guided into the cavity is also additionally provided in the chamber. A tool for carrying out the method is also indicated.

Chromium metal powder
11117188 · 2021-09-14 · ·

A metal powder has a chromium content of at least 90 Ma %, a nanohardness according to EN ISO 14577-1 of ≤4 GPa and/or a green strength measured according to ASTM B312-09 of at least 7 MPa at a compression pressure of 550 MPa.

Thermoelectric conversion material and thermoelectric conversion module

A thermoelectric conversion material having excellent thermoelectric performance over a wide temperature range, and a thermoelectric conversion module providing excellent junctions between thermoelectric conversion materials and electrodes. An R-T-M-X-N thermoelectric conversion material has a structure expressed by the following formula: R.sub.rT.sub.t-mM.sub.mX.sub.x-nN.sub.n (0r1, 3tm5, 0m0.5, 10x15, 0n2), where R represents three or more elements selected from the group consisting of rare earth elements, alkali metal elements, alkaline-earth metal elements, group 4 elements, and group 13 elements, T represents at least one element selected from Fe and Co, M represents at least one element selected from the group consisting of Ru, Os, Rh, Ir, Ni, Pd, Pt, Cu, Ag, and Au, X represents at least one element selected from the group consisting of P, As, Sb, and Bi, and N represents at least one element selected from Se and Te.

Thermoelectric conversion material and thermoelectric conversion module

A thermoelectric conversion material having excellent thermoelectric performance over a wide temperature range, and a thermoelectric conversion module providing excellent junctions between thermoelectric conversion materials and electrodes. An R-T-M-X-N thermoelectric conversion material has a structure expressed by the following formula: R.sub.rT.sub.t-mM.sub.mX.sub.x-nN.sub.n (0r1, 3tm5, 0m0.5, 10x15, 0n2), where R represents three or more elements selected from the group consisting of rare earth elements, alkali metal elements, alkaline-earth metal elements, group 4 elements, and group 13 elements, T represents at least one element selected from Fe and Co, M represents at least one element selected from the group consisting of Ru, Os, Rh, Ir, Ni, Pd, Pt, Cu, Ag, and Au, X represents at least one element selected from the group consisting of P, As, Sb, and Bi, and N represents at least one element selected from Se and Te.

METHOD AND DEVICE FOR ADDITIVELY MANUFACTURING AN OBJECT

This disclosure relates to a method for the additive manufacturing of an object, including supplying a strand-shaped starting material to a friction arrangement, and accelerating the starting material along an output direction through the friction arrangement, to apply the starting material onto a construction platform and/or onto already manufactured areas of the object for manufacturing the object, wherein the starting material is at least partially liquefied and/or at least partially plasticized and/or at least partially broken down into particles by the friction arrangement. This disclosure also relates to a manufacturing device to perform such methods.

METHOD AND DEVICE FOR ADDITIVELY MANUFACTURING AN OBJECT

This disclosure relates to a method for the additive manufacturing of an object, including supplying a strand-shaped starting material to a friction arrangement, and accelerating the starting material along an output direction through the friction arrangement, to apply the starting material onto a construction platform and/or onto already manufactured areas of the object for manufacturing the object, wherein the starting material is at least partially liquefied and/or at least partially plasticized and/or at least partially broken down into particles by the friction arrangement. This disclosure also relates to a manufacturing device to perform such methods.