Nickel sulfide hollow whisker formation

Nickel sulfide hollow whisker formation

Hollow, high-aspect-ratio nickel sulfide whiskers were formed during aqueous corrosion experiments at 250°C by the U. S. Department of Energy. The whiskers grew radially from Teflon thread at the waterline in acidic sodium sulfate solutions containing chloride additions. The hollow morphology is con...

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Veröffentlicht in:Materials Characterization 1997-02, Vol.38 (2), p.67-73
Hauptverfasser: Holcomb, Gordon R., Cramer, Stephen D.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
CORROSION
Corrosion tests
CRYSTAL GROWTH
Exact sciences and technology
MATERIALS SCIENCE
Metals. Metallurgy
NICKEL BASE ALLOYS
NICKEL SULFIDES
SODIUM SULFATES
STAINLESS STEELS
WHISKERS
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Zusammenfassung:Hollow, high-aspect-ratio nickel sulfide whiskers were formed during aqueous corrosion experiments at 250°C by the U. S. Department of Energy. The whiskers grew radially from Teflon thread at the waterline in acidic sodium sulfate solutions containing chloride additions. The hollow morphology is consistent with that reported for the mineral millerite found in nature in hematite cavities. The data suggest that iron and chloride impurities are necessary for the observed whisker structure.
ISSN:1044-5803
1873-4189
DOI:10.1016/S1044-5803(97)80025-3