Repassivation potentials for long-term life prediction of localized corrosion
Abstract
The effect of pit growth on repassivation potentials (e{sub rp}) of type 316L stainless steel (SS) and alloy 825 is investigated using a decreasing potential staircase technique. The E{sub rp} decreases initially with increasing pit depth and then attains a value which is relatively independent of pit depth. The E{sub rp} also decreases with increasing potential scan rate because of the decreasing time for repassivation with decreasing potential. The E{sub rp} is explained in terms of the effect of applied potential on changes in solution composition inside growing pits and its use is recommended as a bounding parameter for long-term prediction of localized corrosion.
- Authors:
-
- Center for Nuclear Waste Regulatory Analyses, San Antonio, TX (United States)
- Publication Date:
- OSTI Identifier:
- 62252
- Report Number(s):
- CONF-921101-Vol.294
CNN: Contract NRC-02-88-005; TRN: 95:002922-0069
- Resource Type:
- Conference
- Resource Relation:
- Conference: 16. Materials Research Society (MRS) fall meeting, Boston, MA (United States), 30 Nov - 5 Dec 1992; Other Information: PBD: 1993; Related Information: Is Part Of Scientific basis for nuclear waste management XVI; Interrante, C.G. [ed.] [Nuclear Regulatory Commission, Washington, DC (United States)]; Pabalan, R.T. [ed.] [Southwest Research Inst., San Antonio, TX (United States)]; PB: 959 p.
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 05 NUCLEAR FUELS; 36 MATERIALS SCIENCE; STAINLESS STEEL-316L; PITTING CORROSION; CREVICE CORROSION; GROUND WATER; ENVIRONMENTAL EFFECTS; RADIOACTIVE WASTES; PACKAGING; CONTAINERS; STABILITY; ELECTROCHEMISTRY; CHROMIUM ALLOYS; NICKEL ALLOYS; MOLYBDENUM ALLOYS; METALLURGY
Citation Formats
Sridhar, N, and Cragnolino, G. Repassivation potentials for long-term life prediction of localized corrosion. United States: N. p., 1993.
Web.
Sridhar, N, & Cragnolino, G. Repassivation potentials for long-term life prediction of localized corrosion. United States.
Sridhar, N, and Cragnolino, G. 1993.
"Repassivation potentials for long-term life prediction of localized corrosion". United States.
@article{osti_62252,
title = {Repassivation potentials for long-term life prediction of localized corrosion},
author = {Sridhar, N and Cragnolino, G},
abstractNote = {The effect of pit growth on repassivation potentials (e{sub rp}) of type 316L stainless steel (SS) and alloy 825 is investigated using a decreasing potential staircase technique. The E{sub rp} decreases initially with increasing pit depth and then attains a value which is relatively independent of pit depth. The E{sub rp} also decreases with increasing potential scan rate because of the decreasing time for repassivation with decreasing potential. The E{sub rp} is explained in terms of the effect of applied potential on changes in solution composition inside growing pits and its use is recommended as a bounding parameter for long-term prediction of localized corrosion.},
doi = {},
url = {https://www.osti.gov/biblio/62252},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Dec 31 00:00:00 EST 1993},
month = {Fri Dec 31 00:00:00 EST 1993}
}
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