Fast, functional prototypes via multiphase jet solidification

Abstract

Rapid prototyping (RP) systems were designed to reduce the time taken to develop new products, and, today, available RP systems work with different techniques using paper, polymers and waxes. In order to fulfil the demand for the direct production of metallic prototypes for functional application and testing, the Fraunhofer Institute for Applied Materials Research (IFAM) has developed a new process, named “multiphase jet solidification (MJS)”, which is able to produce metallic or ceramic parts. The MJS process uses low-melting alloys or a powder-binder mixture which is squeezed out through a computer-controlled nozzle. Parts are manufactured layer by layer and the “green parts” are debinded and sintered to reach final density. Presents experiences of using this new technique, along with some results.