Effect of sulfur on the cyclic oxidation behavior of a single crystalline, nickel-base superalloy

Effect of sulfur on the cyclic oxidation behavior of a single crystalline, nickel-base superalloy

A commercial, single crystalline, nickel-base superalloy, René N6, was cyclically oxidized in 1200 °C air to evaluate the impact of indigenous sulfur impurities on the oxidation behavior. The sulfur concentrations of the samples were adjusted to levels in the sub-ppm range by heat treatment in hydro...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1995-11, Vol.203 (1), p.388-398
Hauptverfasser: Smith, M.A., Frazier, W.E., Pregger, B.A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Oxidation
Physics
Surface treatments
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Zusammenfassung:A commercial, single crystalline, nickel-base superalloy, René N6, was cyclically oxidized in 1200 °C air to evaluate the impact of indigenous sulfur impurities on the oxidation behavior. The sulfur concentrations of the samples were adjusted to levels in the sub-ppm range by heat treatment in hydrogen. Correlation between the residual sulfur levels and the degree of scale spallation are shown. Reduction of sulfur content to
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(95)09819-4