Xiang, D. P. and Liu, Y and Tu, M. J. and Li, Y. Y. and Chen, W. P. (2009) Synthesis of nano Ti(C,N) powder by mechanical activation and subsequent carbothermal reduction–nitridation reaction. Journal of Refractory Metals & Hard Materials , 27 . pp. 111-114.
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Abstract
Nano Ti(C,N) powder with average particle size of below 100 nm was synthesized from nano anatase/carbon black mixtures employing mechanical milling activation and subsequent carbothermal reduction– nitridation (CRN) reaction. The activated and heat-treated powders have been characterized by X-ray diffraction (XRD), reaction dynamics of activated powders has been studied by thermogravimetry-differential scanning calorimetry (TGA-DSC), and Ti(C,N) products were evaluated by transmission electron microscope (TEM). The results show that CRN reaction of anatase was enhanced by pre-milling the starting powders. Thus, onset formation temperature and holding time of Ti(C,N) decreased from 1300 C to 1150 C and from 4 h to 2 h, respectively. However, mechanical activation did not alter phase evolution sequences of TiO2 CRN reaction.
| Item Type: | Article |
|---|---|
| Subjects: | Material Science > Nanostructured materials |
| ID Code: | 5014 |
| Deposited By: | CSMNT |
| Deposited On: | 20 Apr 2009 07:55 |
| Last Modified: | 20 Apr 2009 07:55 |
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- Synthesis of nano Ti(C,N) powder by mechanical activation and subsequent carbothermal reduction–nitridation reaction. (deposited 18 Jan 2009 10:35)
- Synthesis of nano Ti(C,N) powder by mechanical activation and subsequent carbothermal reduction–nitridation reaction. (deposited 20 Apr 2009 07:55) [Currently Displayed]
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