Synthesis and characterization of nanocrystalline carbides By reaction milling

Chaira, D and Mishra, B K and Sangal, S (2011) Synthesis and characterization of nanocrystalline carbides By reaction milling. In: VI International Conference on Mechanochemistry and Mechanical Alloying (INCOME 2008), 1-4 December 2008, NML Jamshedpur, India.



Nanocrystalline cementite, silicon carbide and titanium carbide powders were prepared from elemental constituent powder particles by reaction milling. A high energy dual drive planetary mill has been fabricated for the synthesis of carbides. The strong collision energy field of the dual drive planetary mill reduced the carbide formation time as compared to earlier reported studies. Forty hours is required to produce nanocrystalline cementite and silicon carbide powder. Whereas only 10 hours is required to produce titanium carbide powder, because self propagating reaction takes place between Ti and graphite during milling. The morphology of powders and evolution of different phases were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM).

Item Type:Conference or Workshop Item (Paper)
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Uncontrolled Keywords:Dual drive planetary mill; Nanocrystalline carbides; Cementite; Silicon carbide; Titanium carbide; Reaction milling
Divisions:Metal Extraction and Forming
ID Code:5064
Deposited On:30 Apr 2012 14:53
Last Modified:30 Apr 2012 14:53
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