Eos Gmbh Electro Optical Systems

Marius Christ

Stefan Paternoster

Thomas Mattes

Sven Pawliczek

Andreas Hotter

Ulrich Kleinhans

Heiko Pfisterer

Malin Gerg

Stoyan Frangov

Plastic powder for use as a building material for manufacturing a three-dimensional object by layer-by-layer melting and solidification by hardening of the building material at the positions corresponding to the cross-section of the three-dimensional object in the respective layer by exposure to radiation, preferably by exposure to NIR radiation, wherein the plastic powder comprises a dry blend of polymer-based particles and particles of a NIR absorber, wherein the NIR absorber comprises carbon black or is carbon black and wherein the weight percentage of carbon black in the total weight of polymer and carbon black particles is in the range of at least 0.02% and at most 0.45%, and/or wherein the carbon black has a mean primary particle diameter in the range of from 15 nm to 70 nm, preferably of at least 26 nm and/or at most 58 nm.

Polymer-based build material for selective sintering

A method of providing a particulate material from an at least substantially metallic and/or ceramic starting material, comprising the following steps:

Method of providing a particulate material

Growing community of inventors

Munich, Germany

Marius Christ