The effect of Fe doping on the sintering behavior of commercial CeO2powder

Zhang Tianshu; Peter Hing; Haitao Huang; J. Kilner

doi:10.1016/S0924-0136(01)00600-8

The effect of Fe doping on the sintering behavior of commercial CeO₂powder

Zhang Tianshu, Peter Hing, Haitao Huang, J. Kilner

Research output: Journal article publication › Conference article › Academic research › peer-review

53 Citations (Scopus)

Abstract

Mixtures of CeO2and Fe2O3with Fe/Ce atomic ratios ranging from 0 to 1 were prepared by the conventional ceramic technique. XRD analysis indicates that no binary compound between CeO2and Fe2O3is formed under the present experimental conditions; the solubility of Fe3+into CeO2is very small (<1%), even though the sintering temperature is higher than 1500°C. The sintering temperature of CeO2powder can be reduced dramatically by adding a small amount of Fe2O3. At 1300°C almost full densification (>99.0% relative density) for 0.5% Fe-doped CeO2ceramics is reached after less than 1 h, compared with ∼96% relative density for pure CeO2sintered at 1525°C for 2 h.

Original language	English
Pages (from-to)	463-468
Number of pages	6
Journal	Journal of Materials Processing Technology
Volume	113
Issue number	1-3
DOIs	https://doi.org/10.1016/S0924-0136(01)00600-8
Publication status	Published - 15 Jun 2001
Externally published	Yes
Event	5th Asia Pacific Conference on Materials Processing - Seoul, Korea, Republic of Duration: 25 Jun 2001 → 25 Jun 2001

Keywords

Ceramics
Cerium oxide
Sintering

ASJC Scopus subject areas

Ceramics and Composites
Modelling and Simulation
Computer Science Applications
Industrial and Manufacturing Engineering
Metals and Alloys

More information

10.1016/S0924-0136(01)00600-8

Cite this

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title = "The effect of Fe doping on the sintering behavior of commercial CeO2powder",

abstract = "Mixtures of CeO2and Fe2O3with Fe/Ce atomic ratios ranging from 0 to 1 were prepared by the conventional ceramic technique. XRD analysis indicates that no binary compound between CeO2and Fe2O3is formed under the present experimental conditions; the solubility of Fe3+into CeO2is very small (<1%), even though the sintering temperature is higher than 1500°C. The sintering temperature of CeO2powder can be reduced dramatically by adding a small amount of Fe2O3. At 1300°C almost full densification (>99.0% relative density) for 0.5% Fe-doped CeO2ceramics is reached after less than 1 h, compared with ∼96% relative density for pure CeO2sintered at 1525°C for 2 h.",

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AU - Tianshu, Zhang

AU - Hing, Peter

AU - Huang, Haitao

AU - Kilner, J.

PY - 2001/6/15

Y1 - 2001/6/15

N2 - Mixtures of CeO2and Fe2O3with Fe/Ce atomic ratios ranging from 0 to 1 were prepared by the conventional ceramic technique. XRD analysis indicates that no binary compound between CeO2and Fe2O3is formed under the present experimental conditions; the solubility of Fe3+into CeO2is very small (<1%), even though the sintering temperature is higher than 1500°C. The sintering temperature of CeO2powder can be reduced dramatically by adding a small amount of Fe2O3. At 1300°C almost full densification (>99.0% relative density) for 0.5% Fe-doped CeO2ceramics is reached after less than 1 h, compared with ∼96% relative density for pure CeO2sintered at 1525°C for 2 h.

AB - Mixtures of CeO2and Fe2O3with Fe/Ce atomic ratios ranging from 0 to 1 were prepared by the conventional ceramic technique. XRD analysis indicates that no binary compound between CeO2and Fe2O3is formed under the present experimental conditions; the solubility of Fe3+into CeO2is very small (<1%), even though the sintering temperature is higher than 1500°C. The sintering temperature of CeO2powder can be reduced dramatically by adding a small amount of Fe2O3. At 1300°C almost full densification (>99.0% relative density) for 0.5% Fe-doped CeO2ceramics is reached after less than 1 h, compared with ∼96% relative density for pure CeO2sintered at 1525°C for 2 h.

KW - Ceramics

KW - Cerium oxide

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