On the bacterial communities associated with the corrosion product layer during the early stages of marine corrosion of carbon steel

2015 ◽  
Vol 99 ◽  
pp. 55-65 ◽  
Author(s):  
Isabelle Lanneluc ◽  
Mikael Langumier ◽  
René Sabot ◽  
Marc Jeannin ◽  
Philippe Refait ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Corrosion Product ◽  
Bacterial Communities ◽  
Product Layer ◽  
Marine Corrosion ◽  
Early Stages ◽  
Corrosion Product Layer

scholarly journals Evaluation Method for Corrosion Depth of Uncoated Carbon Steel and Its Time-Dependence Using Thickness of Corrosion Product Layer

2012 ◽  
Vol 61 (12) ◽  
pp. 483-494 ◽  
Author(s):  
Shigenobu Kainuma ◽  
Yuya Yamamoto ◽  
Yoshihiro Itoh ◽  
Hideyuki Hayashi ◽  
Wataru Oshikawa
Keyword(s):  
Carbon Steel ◽  
Time Dependence ◽  
Corrosion Product ◽  
Evaluation Method ◽  
Product Layer ◽  
Corrosion Depth ◽  
Corrosion Product Layer

Simulation of The State of Carbon Steel n Years After Disposal with n Years of Corrosion Product on its Surface in a Bentonite Environment

1994 ◽  
Vol 353 ◽  
Author(s):  
Yoichi Kojima ◽  
Toshinobu Hioki ◽  
Shigeo Tsujikawa
Keyword(s):  
Carbon Steel ◽  
Corrosion Rate ◽  
Corrosion Product ◽  
Corrosion Behavior ◽  
Steel Corrosion ◽  
Product Layer ◽  
The State ◽  
Corrosion Product Layer ◽  
Time Frames

AbstractThe use of bentonite as buffer and carbon steel as overpack material for the geological disposal of nuclear waste is under investigation. To better assess the long term integrity of the carbon steel overpack, a quantitative analysis of the corrosion behavior on the steel surface for time frames beyond that of feasible empirical determination is required. The state n years after disposal, consisting of Carbon Steel / Corrosion Products + Bentonite / Water, was simulated and the corrosion behavior of the carbon steel in this state investigated. The following facts became apparent. Both the corrosion rate and the non-uniformity of it increased with increase in the corrosion product content in the compacted bentonite. When the corrosion product layer was formed between the carbon steel and the bentonite, it ennobled the corrosion potential and increased the corrosion rate.

Localized corrosion of carbon steel in marine media: Galvanic coupling and heterogeneity of the corrosion product layer

2016 ◽  
Vol 111 ◽  
pp. 583-595 ◽  
Author(s):  
Ph. Refait ◽  
A.-M. Grolleau ◽  
M. Jeannin ◽  
E. François ◽  
R. Sabot
Keyword(s):  
Carbon Steel ◽  
Corrosion Product ◽  
Product Layer ◽  
Localized Corrosion ◽  
Galvanic Coupling ◽  
Corrosion Product Layer

Corrosion processes of carbon steel in argillite: Galvanic effects associated with the heterogeneity of the corrosion product layer

2015 ◽  
Vol 182 ◽  
pp. 1019-1028 ◽  
Author(s):  
Alexandre Romaine ◽  
Marc Jeannin ◽  
René Sabot ◽  
Sophia Necib ◽  
Philippe Refait
Keyword(s):  
Carbon Steel ◽  
Corrosion Product ◽  
Product Layer ◽  
Corrosion Product Layer

scholarly journals Formation of Iron Sulfides on Carbon Steel in a Specific Cement Grout Designed for Radioactive Waste Repository and Associated Corrosion Mechanisms

Materials ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3563
Author(s):  
Mathieu Robineau ◽  
Valérie Deydier ◽  
Didier Crusset ◽  
Alexandre Bellefleur ◽  
Delphine Neff ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Radioactive Waste ◽  
Corrosion Product ◽  
Product Layer ◽  
Cement Grout ◽  
Radioactive Waste Disposal ◽  
Sulfide Concentration ◽  
Iron Sulfides ◽  
Corrosion Mechanisms ◽  
A Minor

Carbon steel coupons were buried in a specific low-pH cement grout designed for radioactive waste disposal and left 6 months in anoxic conditions at 80 °C. The corrosion product layers were analyzed by µ-Raman spectroscopy, XRD, and SEM. They proved to be mainly composed of iron sulfides, with magnetite as a minor phase, mixed with components of the grout. Average corrosion rates were estimated by weight loss measurements between 3 and 6 µm yr−1. Corrosion profiles revealed local degradations with a depth up to 10 µm. It is assumed that the heterogeneity of the corrosion product layer, mainly composed of conductive compounds (FeS, Fe3S4, and Fe3O4), promotes the persistence of corrosion cells that may lead to locally aggravated degradations of the metal. New cement grouts, characterized by a slightly higher pH and a lower sulfide concentration, should then be designed for the considered application.

Practical Experiences with Linear Polarization Measurements

CORROSION ◽  
1977 ◽  
Vol 33 (4) ◽  
pp. 117-128 ◽  
Author(s):  
R. H. HAUSLER
Keyword(s):  
Corrosion Product ◽  
Linear Polarization ◽  
Tap Water ◽  
Product Layer ◽  
Phase System ◽  
Two Phase ◽  
Ohmic Resistance ◽  
Corrosion Product Layer ◽  
Practical Experiences ◽  
Water Saturated

Abstract The linear polarization technique in principle is a convenient and rapid way for determining corrosion rates. In practice, one finds that it is often applied under conditions alien to the assumptions on the basis of which it was derived. This paper will present a series of comparative observations between linear polarization, resistance probe, and weight loss measurements in different systems. The systems studied were: (1) Hydrochloric acid containing acetylenic inhibitors, (2) a two phase system containing hydrocarbon and water saturated with H2S, and (3) tap water containing various inhibitors. An equation will be derived showing the effect of ohmic resistance due to corrosion product buildup. The effect of polarization on the properties of a corrosion product layer will be discussed qualitatively.

21. Influence of hydrazine and higher pH on the corrosion product layer of austenitic steel

1989 ◽  
pp. 1: 99-104
Author(s):  
J. Kysela ◽  
K. Jindrich ◽  
G. George ◽  
H. Kelm ◽  
D. Nebel ◽  
...  
Keyword(s):  
Austenitic Steel ◽  
Corrosion Product ◽  
Product Layer ◽  
Corrosion Product Layer
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