Preparation of nanostructured TiO2 ceramics by spark plasma sintering

Young Il Lee; Jong Heun Lee; Seong Hyeon Hong; Doh Yeon Kim

doi:10.1016/S0025-5408(03)00084-9

Preparation of nanostructured TiO₂ ceramics by spark plasma sintering

Young Il Lee, Jong Heun Lee, Seong Hyeon Hong, Doh Yeon Kim

Research output: Contribution to journal › Article › peer-review

79 Citations (Scopus)

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.

Original language	English
Pages (from-to)	925-930
Number of pages	6
Journal	Materials Research Bulletin
Volume	38
Issue number	6
DOIs	https://doi.org/10.1016/S0025-5408(03)00084-9
Publication status	Published - 2003 May 26

Keywords

A. Ceramics
A. Nanostructure
D. Microstructure

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Preparation of nanostructured TiO2 ceramics by spark plasma sintering",

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.",

keywords = "A. Ceramics, A. Nanostructure, D. Microstructure",

author = "Lee, {Young Il} and Lee, {Jong Heun} and Hong, {Seong Hyeon} and Kim, {Doh Yeon}",

note = "Funding Information: This work was supported by the Creative Research Initiatives Program of the Korea Ministry of Science and Technology. The authors wish to express our gratitude to the Research Institute of Advanced Materials in Seoul National University for microstructural and X-ray analysis.",

year = "2003",

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T1 - Preparation of nanostructured TiO2 ceramics by spark plasma sintering

AU - Lee, Young Il

AU - Lee, Jong Heun

AU - Hong, Seong Hyeon

AU - Kim, Doh Yeon

N1 - Funding Information: This work was supported by the Creative Research Initiatives Program of the Korea Ministry of Science and Technology. The authors wish to express our gratitude to the Research Institute of Advanced Materials in Seoul National University for microstructural and X-ray analysis.

PY - 2003/5/26

Y1 - 2003/5/26

N2 - 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.

AB - 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.

KW - A. Ceramics

KW - A. Nanostructure

KW - D. Microstructure

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