Preparation of nanostructured TiO2 ceramics by spark plasma sintering |
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| Authors: | Young Il LeeJong-Heun Lee Seong-Hyeon HongDoh-Yeon Kim |
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| Affiliation: | School of Materials Science and Engineering, Center for Microstructure Science of Materials, Seoul National University, Seoul 151-744, South Korea |
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| Abstract: | The effect of spark plasma sintering (SPS) on the densification of TiO2 ceramics was investigated using a nanocrystalline TiO2 powder. A fully-dense TiO2 specimen with an average grain size of ∼200 nm was obtained by SPS at 700 °C for 1 h. In contrast, a theoretical density specimen could only be obtained using conventional sintering above 900 °C for 1 h with an average grain size of 1-2 μm. |
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| Keywords: | A. Ceramics A. Nanostructure D. Microstructure |
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