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Induction time studies of Fe18Cr and 430 Ss under open circuit conditions in chloride-containing sulfuric acid.

Authors
Covino-BS Jr.; Rosen-M
Source
Corrosion 1984 Apr; 40(4):140-146
NIOSHTIC No.
10003917
Abstract
In order to promote the effective and efficient application of corrosion-resistant metals and alloys in mineral-processing environments, the Bureau of Mines has characterized the effect of aggressive ions on the corrosion and passive behavior of two stainless steels, Fe18Cr and AISI 430 SS. Samples prepassivated in oxygen saturated 1n H2SO4 at 0.6 V normal hydrogen electrode and then released to open circuit and aged for times ranging from 10 to 80,000 min (55 days) were subsequently exposed to chloride ion concentrations ranging from 5 to 44 parts per thousand. Susceptibility to chloride ion attack was determined as a function of time in solution, chloride ion concentrations, and open circuit potentials at the time chloride was added by measuring the amount of time required for a sample to begin corroding after adding the chloride ion.
CODEN
CORRAK
Publication Date
19840401
Document Type
OP; Journal Article
Fiscal Year
1984
NTIS Accession No.
NTIS Price
Identifying No.
OP 56-84
Issue of Publication
4
ISSN
0010-9312
NIOSH Division
AVRC
Source Name
Corrosion
State
MD
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