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Journal of Materials Science

Erschienen in:

01.08.2014

Thermal anti-oxidation treatment of CrNi-steels as studied by EXAFS in reflection mode: the influence of monosilane additions in the gas atmosphere of a continuous annealing furnace

verfasst von: D. Lützenkirchen-Hecht, D. Wulff, R. Wagner, R. Frahm, U. Holländer, H. J. Maier

Erschienen in: Journal of Materials Science | Ausgabe 15/2014

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Abstract

Surface sensitive, reflection mode EXAFS spectroscopy at the Cr and Fe K-edges was used to study the surfaces of stainless steel (EU alloy grade 1.4301 X5CrNi18-10) after different heat treatments. The thermal treatments were performed in a conveyor belt furnace at temperatures between 600 and 900 °C in different gas atmospheres containing inert carrier gases (N₂ or Ar) and different additives such as hydrogen (H₂) and monosilane (SiH₄). The ex-situ EXAFS results show that the iron and chromium in the steel can only be reduced to a metallic state, if SiH₄ was used as a reducing additive for temperatures of 900 °C. Lower temperatures and process atmospheres without silane always result in strongly oxidized steel surfaces.

Vorheriger Artikel Structural and dielectric relaxor properties of A-site deficient samarium-doped (Ba1−x Sm2x/3)(Zr0.3Ti0.7O3) ceramics

Nächster Artikel Selective growth of yttrium iron garnet and yttrium ferrite by combinatorial pulsed-laser ablation of common precursors

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Titel: Thermal anti-oxidation treatment of CrNi-steels as studied by EXAFS in reflection mode: the influence of monosilane additions in the gas atmosphere of a continuous annealing furnace
verfasst von: D. Lützenkirchen-Hecht
D. Wulff
R. Wagner
R. Frahm
U. Holländer
H. J. Maier
Publikationsdatum: 01.08.2014
Verlag: Springer US
Erschienen in: Journal of Materials Science / Ausgabe 15/2014
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-014-8257-5

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