The Characterization of Alumina Reinforced with CNT by the Mechanical Alloying Method

Gwi Nam Kim; Gyung Tae Bae; Joun Sung Park; Boo Young Choi; Sunchul Huh

doi:10.4028/www.scientific.net/AMM.479-480.35

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 479-480The Characterization of Alumina Reinforced with...

The Characterization of Alumina Reinforced with CNT by the Mechanical Alloying Method

Abstract:

Carbon nano tube(CNT) possesses excellent electrical, mechanical and thermal properties. Therefore, it has been applied in a variety of fields. In this study, we added CNT in Al₂O₃ to improve the characteristics. The composite of CNT(1.5 wt%), Al₂O₃(∅=20nm), zirconia(90g) and ethanol(20ml) is deconcentrated with planetary ball mill for 1hr, 3hr, 5hr under 200rpm, 300rpm, respectively. The prepared powder was pressed under 14MPa uniaxialy after the composite was dried in the oven at 90°C, and then the powder is pressed again by Cold Isostatic Press(CIP) with 200MPa. Then reinforced alumina matrix composites with CNT was sintered by high temperature furnace at 1525 °C

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Periodical:

Applied Mechanics and Materials (Volumes 479-480)

Pages:

35-39

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.479-480.35

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Online since:

December 2013

Authors:

Gwi Nam Kim, Gyung Tae Bae, Joun Sung Park, Boo Young Choi, Sunchul Huh

Keywords:

Al₂O₃, Carbon Nanotube (CN), Planetary Ball Mill, Sintering

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