期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 472, 期 1-2, 页码 97-103出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2008.04.070
关键词
Nanostructured materials; Mechanical alloying; Microstructure; Scanning electron microscopy; X-ray diffraction
资金
- National Natural Science Foundation of China [50701028]
- Excellent Middle-age and Young Scientists Research Award Foundation of Shandong Province [2007BS04024]
- DFG-SFB 459
In this paper, the formation of nanocrystalline TiC from titanium powders and different carbon resources by mechanical alloying (MA) has been investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The experimental results show that nanocrystalline TiC can be synthesized from Ti powders and different carbon resources (activated carbon, carbon fibres or carbon nanotubes) by MA at room temperature. Titanium and different carbon resources have a significant effect on the Ti-C reaction and the formation of TiC during MA. Moreover, the formation of nanocrystalline TiC is governed by a gradual diffusion reaction mechanism during MA, regardless of different carbon resources. (C) 2008 Elsevier B.V. All rights reserved.
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