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Atom probe tomography analysis of Ti-Y-O clustering during processing of nanoscale oxide particles in 14%Cr ODS ferritic steels

Published online by Cambridge University Press:  11 March 2011

Ceri A. Williams ,
Paulina Unifantowicz ,
Zbigniew Oksiuta ,
Nadine Baluc ,
George D. W. Smith  and
Emmanuelle A. Marquis
Ceri A. Williams
Affiliation:
Department of Materials, University of Oxford, UK, OX1 3PH.
Paulina Unifantowicz
Affiliation:
Ecole Polytechnique Federale de Lausanne (EPFL), 5232 Villigen PSI, Switzerland.
Zbigniew Oksiuta
Affiliation:
Bialystok Technical University, Faculty of Mechanical Engineering, 15-351 Bialystok, Poland.
Nadine Baluc
Affiliation:
Ecole Polytechnique Federale de Lausanne (EPFL), 5232 Villigen PSI, Switzerland.
George D. W. Smith
Affiliation:
Department of Materials, University of Oxford, UK, OX1 3PH.
Emmanuelle A. Marquis
Affiliation:
Department of Materials, University of Oxford, UK, OX1 3PH.
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Abstract

Atom probe tomography is used to investigate the clustering of Y-Ti-O in a 14%Cr-2%W-0.3%Ti & 0.3% Y2O3 ODS steel. The clusters in the consolidated material are compared to clusters observed in the powder prior to consolidation. A higher density of smaller clusters is observed in the powder, and the clusters are found to contain more O and less Y.

Keywords

reactive ball millingnuclear materialsnanostructure
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1298: Symposium Q/R/T – Advanced Materials for Applications in Extreme Environments , 2011 , mrsf10-1298-q03-02
Copyright
Copyright © Materials Research Society 2011

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References

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