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Highly porous materials and parts by P/M technology

Hochporöse Materialien durch P/M-Verfahren
: Kunze, H.D.; Hartwig, T.; Veltl, G.

Societe Francaise de Metallurgie et de Materiaux -SF2M-, Paris:
PM '94. Powder Metallurgy World Congress. Vol.1
Les Ulis Cedex: Les Editions de Physique, 1994
Powder Metallurgy World Congress <1994, Paris>
Fraunhofer IFAM ()
binder; metal injection molding; Metallpulverspritzguß; powder metallurgy; Pulvermetallurgie; Spritzguß; Titan; titanium

Highly porous materials are needed for a huge variety of applications in filters and bearings, catalysis and light weight constructions. In this review, future aspects for P/M technology to produce such highly porous parts are examined more closely with some examples. The demand of automotive and aircraft industry for light weight materials can be met by the development of hollow-sphere structures and metallic foams. New metal fibre production and processing technologies are needed, e.g. for hot gas resistant filters. Finally, (multi-)functional nanoporous structures can be made by using ultrafine metal powders. The combination of catalytic and filter effects create new perspectives for nano powder technologies