Please use this identifier to cite or link to this item: doi:10.22028/D291-24487
Title: Colloidal processing and sintering of nano-scale TiN
Author(s): Nass, Rüdiger
Albayrak, Sener
Aslan, Mesut
Schmidt, Helmut K.
Language: English
Year of Publication: 1995
OPUS Source: Ceramic processing science and technology / ed. by Hans Hausner ... - Westerville, Ohio : American Ceramic Society, 1995. — (Ceramic transactions ; 51), S. 591-595
SWD key words: Kolloid
DDC notations: 620 Engineering and machine engineering
Publikation type: Conference Paper
Abstract: Surface modification of nano-scale TiN powder with guanidine propionic acid was used for the preparation of well dispersed slurries. The starting powder could be completely deagglomerated for modifier concentrations exeeding 7.5 wt.-% at pH = 9. Such slurries (<40 wt.-% solid content) behave like an ideal Netwonian liquid. Green compacts with relative densities around 50 % were prepared by pressure filtration. The specimen are characterized by a homogeneous green microstructure with pore sizes in the range of 3 to 10 nm, which could be sintered to high density (>96%) below 1400°C up to densities of 96% grain coarsening can be neglected, but further densification was accompainied by an exaggregated grain growth.
Link to this record: urn:nbn:de:bsz:291-scidok-27976
ISBN: 0-944904-89-0
Date of registration: 19-Mar-2010
Faculty: SE - Sonstige Einrichtungen
Department: SE - INM Leibniz-Institut für Neue Materialien
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