High-temperature sulfidation of Fe-Nb alloys

Journal Article · Sun Oct 01 04:00:00 EDT 1989 · Oxidation of Metals; (USA)

DOI:https://doi.org/10.1007/BF00664802· OSTI ID:6181907

Wang, Ge; Carter, R; Douglass, D L ^[1]

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1. Univ. of California, Los Angeles (USA)

The sulfidation behavior of Fe-Nb alloys containing up to 30 w/o Nb was studied over the range of 600-900{degree}C in 0.01 atm. S{sub 2} vapor. All alloys were two-phase, consisting of an Fe-rich solid solution and Fe{sub 2}Nb, and followed the parabolic rate law at all temperatures. Scales consisted of two layers - an outer layer of FeS and an inner, complex layer which contained some FeS, FeNb{sub 2}S{sub 4} (possibly some FeNb{sub 3}S{sub 6}), NbS{sub 2}, and intermetallic particles which were either completely or only partially sulfidized. Platinum markers were located always at the interface between the two layers, which corresponded to the original metal surface.

• OSTI ID: 6181907
• Journal Information: Oxidation of Metals; (USA), Journal Name: Oxidation of Metals; (USA) Vol. 32:3-4; ISSN 0030-770X; ISSN OXMEA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
CHEMICAL REACTIONS
DATA
DATA ANALYSIS
EXPERIMENTAL DATA
HIGH TEMPERATURE
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
MEASURING INSTRUMENTS
MEASURING METHODS
NIOBIUM ALLOYS
NUMERICAL DATA
SULFIDATION