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Title: 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:
;  [1]
  1. 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}
}

Conference:
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