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Estimation of the slope of polarization curves in the vicinity of the corrosion potential.

Authors
Cramer-SD
Source
J Electrochem Soc 1979 Jun; 126(6):891-893
NIOSHTIC No.
10009849
Abstract
Numerical methods were used to derive an improved estimate of the slope of the polarization curve in the vicinity of the corrosion potential. The resulting three-point linear polarization equation has the same form as the conventional two-point equation, but yields a substantially more accurate value for the corrosion current. For /a0/ = 10 mv and tafel constants (b1a and b2c) 30 mv or larger, the error in computing the corrosion current from the three-point equation is only 10 pct or less.
Keywords
Mining-industry; Mineral-processing; Metals; Author Keywords: corrosion; electric potential; polarisation; electric current; electrochemistry; electrodes; numerical analysis; linear polarization; corrosion current; numerical methods
CODEN
JESOAN
Publication Date
19790601
Document Type
OP; Journal Article
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Identifying No.
OP 42-79
Issue of Publication
6
ISSN
0013-4651
NIOSH Division
CPRC
Source Name
Journal of the Electrochemical Society
State
MD
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