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http://dx.doi.org/10.4150/KPMI.2006.13.2.144

Fabrication of Titanium Composites Containing nano-sized TiNx  

Kim Mun-Hyup (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Kim Dong-Sik (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Oh Young-Hwan (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Park Sung-Bum (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Park Seung-Sik (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Lee Jee-Hye (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Park No-Jin (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Kim Sung-Jin (Department of Information and Nano Materials, Kumoh National Institute of Technology)
Jung Chan-Hoi (Department of Advanced Materials Engineering, DongA University)
Lee Jun-Hee (Department of Advanced Materials Engineering, DongA University)
Publication Information
Journal of Powder Materials / v.13, no.2, 2006 , pp. 144-149 More about this Journal
Abstract
In this research we tried to make nano-sized TiNx by using planetary milling, and we made the composites double layered of titanium and nano-sized TiNx by using spark plasma sintering apparatus after mixing with the different ratio of pure titanium powder, and they were heat treated at $850^{\circ}C$ for 30 minutes. The crystal structures of nano-sized TiNx powders and the composites were analyzed by X-ray diffraction (XRD). The microstructures of the powders were analyzed by using scanning electron microscopy (FESEM) and the 40-50 nm size of nano-sized TiNx particle on the surface of agglomerated particles was investigated. With increasing the ratio of nano-sized TiNx of the composites, the microvickers hardness of the composites was increased.
Keywords
TiNx; titanium powder; planetary milling; spark plasma sintering; $Si_{3}N_{4}$;
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