Crevice corrosion of nimonic 86 and hastelloy x in a mixed nitrogen-oxygen environment

Crevice corrosion of nimonic 86 and hastelloy x in a mixed nitrogen-oxygen environment

The corrosion behaviour of the chromia forming metallic alloys, Nimonic 86 and Hastelloy X, has been examined in nitrogen containing 0.04% oxygen during 1005 h isothermal exposure at 950°C. Particular attention has been directed to the influence of crevices where depletion of oxidising species, due...

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Veröffentlicht in:Corrosion science 1993, Vol.35 (5), p.1159,1165-1163,1165
Hauptverfasser: Bennett, M.J., Desport, J.A., Knights, C.F., Price, J.B., Graham, L.W.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Corrosion
Corrosion environments
Exact sciences and technology
Metals. Metallurgy
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Zusammenfassung:The corrosion behaviour of the chromia forming metallic alloys, Nimonic 86 and Hastelloy X, has been examined in nitrogen containing 0.04% oxygen during 1005 h isothermal exposure at 950°C. Particular attention has been directed to the influence of crevices where depletion of oxidising species, due to restricted gas replenishment, would enhance competition between nitridation and oxidation.
ISSN:0010-938X
1879-0496
DOI:10.1016/0010-938X(93)90336-F