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Preparation of (Ti,Ta)-(C,N) by mechanical alloying

 
: Naidoo, M.; Raethel, J.; Sigalas, I.; Herrmann, M.

:

International journal of refractory metals and hard materials 35 (2012), S.178-184
ISSN: 0263-4368
Englisch
Zeitschriftenaufsatz
Fraunhofer IKTS ()
Cermet; mechanical alloying; spark plasma sintering; Ti(C,N)

Abstract
Ti(C,N) and Ta powders were mechanically alloyed to synthesize the (Ti,Ta)-carbonitride solid solution. As a result of milling, nanocrystalline Ti(C,N) was obtained. Mechanical alloying greatly improves the sinterability of the Ti(C,N)-Ta powders, and full densification was obtainable in solid state at 1500 °C by FAST/ SPS technique. Cermets produced of the mechanically alloyed powders showed a fine microstructure and possessed superior mechanical properties, as compared to conventional ball milled sintered cermets.

: http://publica.fraunhofer.de/dokumente/N-206156.html