High-temperature compressive creep behaviour of perovskite-type oxides SrTi1-xFexO3-δ

S.F.P. ten Donkelaar; V. Stournari; J. Malzbender; A. Nijmeijer; H.J.M. Bouwmeester

doi:10.1016/j.jeurceramsoc.2015.08.002

High-temperature compressive creep behaviour of perovskite-type oxides SrTi_1-xFe_xO_3-δ

S.F.P. ten Donkelaar, V. Stournari, J. Malzbender^*, A. Nijmeijer, H.J.M. Bouwmeester

^*Corresponding author for this work

Inorganic Membranes

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Abstract

Compressive creep tests have been performed on mixed ionic-electronic conducting perovskite-type oxides SrTi_1-xFe_xO_3-δ (STF, x=0.3, 0.5 and 0.7). Observed activation energies and stress exponents, at 800-1000°C and in the stress range 10100MPa, indicate that the steady-state creep rate of STF under these conditions is predominantly limited by cation lattice diffusion (Nabarro-Herring creep). The effective stress exponents reflect a contribution of dislocation creep to the mechanism of creep in STF30 (x=0.3). The observed creep rates are compared with those exhibited by related perovskite-type oxides, and are discussed in view of the possible application of STF as oxygen transport membrane (OTM).

Original language	English
Pages (from-to)	4203-4209
Number of pages	7
Journal	Journal of the European Ceramic Society
Volume	35
Issue number	15
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2015.08.002
Publication status	Published - 1 Dec 2015

Keywords

Compressive creep
Oxygen transport membrane (OTM)
Perovskite
SrTiFeO (STF)
2023 OA procedure

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10.1016/j.jeurceramsoc.2015.08.002

ArticleFinal published version, 1.35 MBLicence: Taverne

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title = "High-temperature compressive creep behaviour of perovskite-type oxides SrTi1-xFexO3-δ",

abstract = "Compressive creep tests have been performed on mixed ionic-electronic conducting perovskite-type oxides SrTi1-xFexO3-δ (STF, x=0.3, 0.5 and 0.7). Observed activation energies and stress exponents, at 800-1000°C and in the stress range 10100MPa, indicate that the steady-state creep rate of STF under these conditions is predominantly limited by cation lattice diffusion (Nabarro-Herring creep). The effective stress exponents reflect a contribution of dislocation creep to the mechanism of creep in STF30 (x=0.3). The observed creep rates are compared with those exhibited by related perovskite-type oxides, and are discussed in view of the possible application of STF as oxygen transport membrane (OTM).",

keywords = "Compressive creep, Oxygen transport membrane (OTM), Perovskite, SrTiFeO (STF), 2023 OA procedure",

author = "{ten Donkelaar}, S.F.P. and V. Stournari and J. Malzbender and A. Nijmeijer and H.J.M. Bouwmeester",

note = "Funding Information: The authors gratefully acknowledge financial support for this research from ADEM, A green Deal in Energy Materials of the Ministry of Economic Affairs of The Netherlands ( www.adem-innovationlab.nl ), and from the Helmholtz Association of German Research Centers (Initiative and Networking Fund) through the MEM-BRAIN Helmholtz Alliance . We further wish to acknowledge Dr. Wessel, Ms. T. Osipova, Mr. R. K{\"u}ppers and Mr. M. Ziegner for instrumental and technical support, and Dr. G. Pe{\'c}anac for fruitful discussions. Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd.",

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doi = "10.1016/j.jeurceramsoc.2015.08.002",

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AU - ten Donkelaar, S.F.P.

AU - Stournari, V.

AU - Malzbender, J.

AU - Nijmeijer, A.

AU - Bouwmeester, H.J.M.

N1 - Funding Information: The authors gratefully acknowledge financial support for this research from ADEM, A green Deal in Energy Materials of the Ministry of Economic Affairs of The Netherlands ( www.adem-innovationlab.nl ), and from the Helmholtz Association of German Research Centers (Initiative and Networking Fund) through the MEM-BRAIN Helmholtz Alliance . We further wish to acknowledge Dr. Wessel, Ms. T. Osipova, Mr. R. Küppers and Mr. M. Ziegner for instrumental and technical support, and Dr. G. Pećanac for fruitful discussions. Publisher Copyright: © 2015 Elsevier Ltd.

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Compressive creep tests have been performed on mixed ionic-electronic conducting perovskite-type oxides SrTi1-xFexO3-δ (STF, x=0.3, 0.5 and 0.7). Observed activation energies and stress exponents, at 800-1000°C and in the stress range 10100MPa, indicate that the steady-state creep rate of STF under these conditions is predominantly limited by cation lattice diffusion (Nabarro-Herring creep). The effective stress exponents reflect a contribution of dislocation creep to the mechanism of creep in STF30 (x=0.3). The observed creep rates are compared with those exhibited by related perovskite-type oxides, and are discussed in view of the possible application of STF as oxygen transport membrane (OTM).

AB - Compressive creep tests have been performed on mixed ionic-electronic conducting perovskite-type oxides SrTi1-xFexO3-δ (STF, x=0.3, 0.5 and 0.7). Observed activation energies and stress exponents, at 800-1000°C and in the stress range 10100MPa, indicate that the steady-state creep rate of STF under these conditions is predominantly limited by cation lattice diffusion (Nabarro-Herring creep). The effective stress exponents reflect a contribution of dislocation creep to the mechanism of creep in STF30 (x=0.3). The observed creep rates are compared with those exhibited by related perovskite-type oxides, and are discussed in view of the possible application of STF as oxygen transport membrane (OTM).

KW - Compressive creep

KW - Oxygen transport membrane (OTM)

KW - Perovskite

KW - SrTiFeO (STF)

KW - 2023 OA procedure

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DO - 10.1016/j.jeurceramsoc.2015.08.002

M3 - Article

SN - 0955-2219

VL - 35

SP - 4203

EP - 4209

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 15

ER -

High-temperature compressive creep behaviour of perovskite-type oxides SrTi_1-xFe_xO_3-δ

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