Synthesis of Tin Powders Using Dynamic CRN Method

Year 2018, Volume: 22 Issue: 5, 1438 - 1443, 01.10.2018

Nuray Canikoğlu , Betül Özdemir Yıldız Yaralı Özbek , Ali Osman Kurt

https://doi.org/10.16984/saufenbilder.384247

Cited By: 3

Abstract

Dynamic carbotermal reduction-nitridation (DCRN) is a
new approach developed to produce more effective ceramic powder production than
classical static system of carbothermal reduction-nitridation (CRN) method. In
this new technique of DCRN, powder is produced in a moving system and
production takes place at relatively lower temperatures and/or shorter times
than CRN method. This study examines production of TiN powder by the DCRN
method. The granules were prepared using TiO₂ and carbon black
powders in the stoichiometric ratio (C/TiO₂=2). TiN powders of
sub-micron were
obtained in a graphite reactor from the prepared granules under N₂
gas flow. The effects of various test parameters were
investigated for TiN synthesis, such as temperatures of reaction (1350-1450°C),
reaction time (0.5-3 h), N₂ gas flow rate (60-120 L/h) and reactor
rotation speed (2-6 rpm). The phases and microstructures of the powders were
characterized by XRD, SEM and FESEM analyses.

Keywords

Titanium nitride, Titanium dioxide, Powder synthesis, Dynamic carbothermal reduction

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