Manufacturing Process © Fraunhofer IFAM DresdenIndustrial coating process © Fraunhofer IFAM DresdenScheme of sintering & alloying process Patented technology was devoleped at Fraunhofer IFAM Dresden Technology transfer for commercializing to company Alantum (large scale production established)
© Fraunhofer IFAM Dresden © Fraunhofer IFAM Dresden Starting material: industrially produced metal foam (galvanic coating of pure nickel on a PU support foam structure) different options possible: alloying the complete foam struts (Alantum sprinkling technique) porous powder bed - foam composite (doctor blade technique) wet powder spraying … Adjustable thickness, area density, pore size & porosity Machinability (cutting, bending etc.) Suitable for mass production
Manufacturing Process – varying coating technologies © Fraunhofer IFAM DresdenVarious coating technologies
Specifications Materials: Ni, Co, Cu, Fe, Ag, Inconel, Mondel, Nial, CoAl, Raney Ni, NiCrAl, FeNiCrAl, FeCrAl, NiMn, NiMo, NiFe, CuMn (other materials on request) Porosity range: 95 % max I Pore size range: 450…3000 µm Sheet dimensions: max. 400 mm x 400 mm, thickness from 1.6 up to 3 mm (other dimensions on request)
Application examples Excellent oxidation & corrosion resistance at high temperatures (→ HighTemp Foam) Tailored mechanical properties & thermal stability Tailored electrical, electrochemical & thermal properties Tailored specific surface area (high strut surface roughness) Tailored chemical composition Tailored pore size & porosity, gradation within the metal foam feasible Tailored density & pressure drop Lightly formable in green state, but fixed in sintering state Industrially implemented manufacturing process