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Reactions of metal carbides in different atmospheres

: Rozincsak, Linda

Volltext urn:nbn:de:0011-n-3200401 (1.0 MByte PDF)
MD5 Fingerprint: 1455d053560e22653a74f7096d935e4a
Erstellt am: 14.1.2015

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic Materials. Particles, Processing, Applications : 45th International Annual Conference of ICT, June 24 - 27, 2014, Karlsruhe, Germany
Pfinztal: Fraunhofer ICT, 2014
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <45, 2014, Karlsruhe>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ICT ()

In this investigation the oxidation behavior of zirconium carbide and titanium carbide is studied. Non-isothermal measurements using simultaneous thermal analysis (STA) with varying atmospheres, heating rates and particle sizes have been carried out. These allowed the characterization of the oxidation reaction of zirconium- and titanium carbides during combustion. Furthermore, the investigation revealed that measurements carried out under carbon dioxide show a different oxidation behavior than those carried out under air, pure oxygen or atmospheres with different carbon dioxide content. Therefore thermodynamic calculations using a shrinking core model (SC-model) in Mathematica were applied to the TGA-curves, to find the kinetic parameters of the reactions.