Abstract: A three-dimensional article is obtained by a process which includes providing a metal powder, and using the metal powder to build up the three-dimensional article layer by layer. The metal powder is a metal which is selected from the group of tantalum and impurities, titanium and impurities, niobium and impurities, an alloy of tantalum, niobium and impurities, an alloy of titanium, niobium and impurities, and an alloy of tantalum, titanium, niobium and impurities. Particles of the metal powder have a dendritic microstructure. Particles of the metal powder have an average aspect ratio TA of from 0.7 to 1, where ?A=xFeret min/xFeret max.

Abstract: A method of using a metal powder in an additive manufacturing process. The method includes providing the metal powder, and using the metal powder in the additive manufacturing process. The metal powder is a metal which is selected from tantalum and impurities, titanium and impurities, niobium and impurities, an alloy of tantalum, niobium and impurities, an alloy of titanium, niobium and impurities, and an alloy of tantalum, titanium, niobium and impurities. Particles of the metal powder have a dendritic microstructure. Particles of the metal powder have an average aspect ratio ?A of from 0.7 to 1, where ?A=XFeret min/XFeret max.

Abstract: A niobate powder for a piezoelectric application. The niobate powder includes a general composition of Li(Na/K)NbO3 and a carbon content per BET surface area of the niobate powder of from 10 to 100 ppm/(m2/g). The BET surface area is determined in accordance with DIN ISO 9277. The carbon content is determined via a non-dispersive infrared absorption.

Abstract: The present invention relates to metal powders which are suitable to be employed in 3D printing processes as well as a process for the production of said powders.

Abstract: A layered niobate which is used as a photocatalyst. The layered niobate has the formula [HaAb]+[Sr2Nb3O10]?. [Sr2Nb3O10]? forms main layers. [HaAb]+ forms interlayers, wherein H includes H+ and H3O+, A is K+, Cs+ and Rb+, 0.6?a?1, 0?b?0.4, and a+b=1. The layered niobate has different spacings between the main layers.

Abstract: An alloy powder which has a composition AlxScy, where 0.1?y?0.9 and x=1?y. The allow powder has purity of 99% by weight or more, based on metallic impurities, and an oxygen content of less than 0.7% by weight, based on a total weight of the alloy powder, as determined by a carrier gas hot extraction.

Abstract: A tungsten(VI) oxytetrachloride having a chemical purity of greater than 99.95%. The tungsten(VI) oxytetrachloride has a fraction of compounds selected from WCl6, WO2Cl2, WO3 and WO2, as defined as a ratio of a reflection having a highest intensity of one of WCl6, WO2Cl2, WO3 and WO2, (I(P2)100) in an x-ray diffraction pattern to a reflection having a highest intensity of the tungsten(VI) oxytetrachloride (I(WOCl4)100) in the x-ray diffraction pattern, expressed as I(P2)100/I(WOCl4)100, of less than 0.03.

Abstract: A spherical powder for manufacturing a three-dimensional component. The spherical powder is an alloy powder which has at least two refractory metals. The alloy powder has a homogeneous microstructure and at least two crystalline phases.

Abstract: A powder for producing a superconducting component. The powder includes NbxSny, where 1?x?6 and 1?y?5. The powder does not have any separate NbO phases and/or SnO phases.

Abstract: A powder for the production of a superconducting component. The powder includes NbxSny, where 1?x?6 and 1?y?5, and three-dimensional agglomerates having a particle size D90 of less than 400 ?m, as determined via a laser light scattering. The three-dimensional agglomerates have primary particles which have an average particle diameter of less than 15 ?m, as determined via a scanning electron microscopy, and pores of which at least 90% have a diameter of from 0.1 to 20 ?m, as determined via a mercury porosimetry.

Abstract: The present invention relates to metal powders which are suitable to be employed in 3D printing processes as well as a process for the production of said powders.

Abstract: A method for producing an electrical component via a 3D printing includes preparing a first layer which includes a valve metal powder, consolidating at least a portion of the valve metal powder of the first layer via a first selective irradiation with a laser, applying a second layer which includes the valve metal powder to the first layer, consolidating at least a portion of the valve metal powder of the second layer via a second selective irradiation with the laser so as to form a composite of the first layer and of the second layer, applying respective additional layers which include the valve metal powder to the composite, and consolidating at least a portion of the valve metal powder of the respective additional layers via a respective additional selective irradiation with the laser to thereby obtain the electrical component.