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The oxidation behaviour of Cr5Fe1Y(2)O(3) prepared by 2 different manufacturing techniques was studied in Ar/H(2)/H(2)O at 1000 C. Transmission electron microscopy (TEM) studies of alloy microstructure after oxidation revelated that the oxidation rate of the Cr-based oxide dispersion strengthend (ODS) material depends on the yttria content and distribution. Transport of Y from the alloy to the scale occurs through dispersions which become embedded in the inward growing scale and/or by transport of Y along structural defects in the alloy.

Additional information

Authors: PENKALLA H J, Forschungszentrum KFA, Jülich (DE);HANSEL M, Forschungszentrum KFA, Jülich (DE);QUADAKKERS W J, Forschungszentrum KFA, Jülich (DE);GIL A, University of Mining and Metallurgy, Kraków (PL);NORTON J, JRC Petten (NL);KOCK W, Metallwerk Plansee, Reutte (AT)
Bibliographic Reference: Paper presented: EM '96 - IX Conference on Electron Microscopy of Solids, Kraków (PL), May 6-9, 1996
Availability: Available from (1) as Paper EN 39622 ORA
Record Number: 199610605 / Last updated on: 1996-05-27
Original language: en
Available languages: en
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