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Processing and possibilities of using nanodisperse Al2O3-powder for compact, densely sintered components, ceramic coating, and porous membranes and substrates

: Krell, A.; Ma, H.-W.; Blank, P; Hutzler, T.; Nebelung, M.

Roosen, A. ; Deutsche Keramische Gesellschaft e.V. -DKG-, Fachausschuss Verfahrenstechnik:
Symposium Verarbeitung von Feinst- und Nanopulvern : 04./05. Dezember 2001, Erlangen
Köln: DKG, 2002 (Fortschrittsberichte der Deutschen Keramischen Gesellschaft 17,1)
Symposium Verarbeitung von Feinst- und Nanopulvern <2001, Erlangen>
Conference Paper
Fraunhofer IKTS ()

A review on features and limits of powder nanotechnol. in advanced material manufg. with special regard to .gamma.-Al2O3 nanopowder. Real nanopowders with particle sizes < 100 nm do not be applicable for compact structural part prodn. due to their original technol. behavior and cost expenditure. Improvements of their mech. properties will be able in special cases by grain size redn. into the region < 0.5 .mu.m. The technol. for defect-free, large, and dense part sintering is hardly controlled even if using 150-300 nm particle size powders.