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탄소나노튜브가 분산된 Al2O3 나노복합분말의 치밀화 및 특성Densification and Some Properties of Carbon Nanotubes-Dispersed Al2O3 Nanocomposite Powders
- Other Titles
- Densification and Some Properties of Carbon Nanotubes-Dispersed Al2O3 Nanocomposite Powders
- Issue Date
- Dec-2005
- Publisher
- 한국분말야금학회
- Keywords
- Carbon nanotubes; Densification; Nanocomposite; Mechanical properties; Electrical property; Carbon nanotubes; Densification; Nanocomposite; Mechanical properties; Electrical property
- Citation
- 한국분말야금학회지, v.12, no.6, pp 393 - 398
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 12
- Number
- 6
- Start Page
- 393
- End Page
- 398
- ISSN
- 1225-7591
2287-8173
- Abstract
- In-situ processing route was adopted to disperse carbon nanotubes (CNTs) into Al2O3 powders homogeneously. The Al2O3 composite powders with homogeneous dispersion of CNTs could be synthesized by a catalytic route for in-situ formation of CNTs on nano-sized Fe dispersed Al2O3 powders. CNTs/Fe/Al2O3 nanopowders were densified by spark plasma sintering (SPS). The hardness and bending strength as well as electrical conductivity increased with increasing sintering temperature. However, the electrical conductivity of the composites sintered at above 1500℃ showed decreased value with increasing sintering temperature due to the oxidation of CNTs.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)