Affiliation:
1. Fraunhofer Institute for Manufacturing and Advanced Materials
2. Fraunhofer Institut für Keramische Technologien und Sinterwerkstoffe IKTS
Abstract
Open-celled metal foams were synthesized using a replication technique. Therefore a
reticulated polyurethane template was coated by a slurry and removed thermally, followed by a
sintering step. Since the process is feasible for a multiplicity of metals the experiments were
performed on the example of stainless steel 316L. Highly porous components were obtained
showing adjustable densities between 0.3 and 2.0 g/cm³. The cell structure is exceedingly
homogeneous and the cell sizes may be chosen in the range of 10 – 80 ppi. In order to characterise
the properties, compression tests and acoustical tests were carried out. A significant influence of the
density and the cell size on the acoustical and mechanical properties was noticed.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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