Effect of Micro Ti and TiO<sub>2</sub> P-25 Nano Powder Addition on Mechanical Properties of TiO<sub>2</sub> Nanopowders

ISSN: 1875-6786 (Online)
ISSN: 1573-4137 (Print)

Volume 13, 6 Issues, 2017

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Current Nanoscience

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Prof. Dae Joon Kang
Sungkyunkwan University
South Korea

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Effect of Micro Ti and TiO2 P-25 Nano Powder Addition on Mechanical Properties of TiO2 Nanopowders

Current Nanoscience, 10(1): 3-6.

Author(s): Hyo Young Park, Rumman Md Raihanuzzaman, Han-Jin Ko, Joon-Min Park, Young-Choon Kim and Soon-Jik Hong.

Affiliation: Division of Advanced Materials Engineering, Kongju National University, 275, Budae-dong Cheonan, Chungnam, 331-717, South Korea.


Sintered bodies of TiO2nanopowders were fabricated by magnetic pulsed compaction (MPC) and subsequent 2 step sintering in this study and then, the effect of micro Ti and P-25 nano TiO2 powder addition on density, shrinkage and hardness was investigated. The optimum processing conditions in order to find the maximum density, hardness and shrinkage were found to be 0.5~0.7 GPa MPC pressure and 1450oC sintering temperature, with addition of 6% of TiO2 P-25 nanopowder. High pressure and rapid compaction using magnetic pulsed compaction (MPC) enhanced the density with increasing MPC pressure up to 0.7 GPa without the formation of surface or edge cracks on the consolidates bulks, and significantly reduced the shrinkage rate (about 15 in this case) of the sintered bulks compared to the general process (about 18%). Overall, most of the properties showed gradual changes with increasing MPC-ed pressure and TiO2 P-25 nanopowder content.


Densification, magnetic pulsed compaction, mechanical properties, rutile, sintering, TiO<sub>2</sub> nanopowder.

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Article Details

Volume: 10
Issue Number: 1
First Page: 3
Last Page: 6
Page Count: 4
DOI: 10.2174/1573413709666131111221403

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