Corrosion
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Published on Jan 1, 2019in Corrosion 1.93
W. Jeffrey Binns5
Estimated H-index: 5
(University of Western Ontario),
Fareshta Zargarzadah1
Estimated H-index: 1
(University of Western Ontario)
+ 3 AuthorsDave Shoesmith4
Estimated H-index: 4
(University of Western Ontario)
The role of MgH2 in the process of filiform-like corrosion on Mg alloys has been investigated. MgH2 was grown galvanostatically on the Mg ZEK100 alloy at a current density of −5 mA/cm2 for various times in 0.1 M NaOH and the subsequent electrochemical and corrosion behavior compared to that of as-polished specimens. Polarization curves demonstrated cathodic activity under anodic polarization (i.e., the “negative difference effect”) while x-ray diffraction confirmed the presence of MgH2. Dynamic ...
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Published on Feb 1, 2019in Corrosion 1.93
T. Dudziak7
Estimated H-index: 7
,
Magdalena Ziąbka5
Estimated H-index: 5
(AGH University of Science and Technology)
The aim of the paper was to investigate internal oxidation process under steam oxidation conditions and steam oxidation behavior of two solid-solution strengthened alloys, UNS N06230 and UNS N06617, and two gamma-prime (γ′) strengthened alloys, UNS N07263 and UNS N07208. The samples have been tested under 1 bar pressure in 100% water–steam–water system in temperature range 700°C to 800°C for 3,000 hours. The study has showed that Ni-based solid-solution strengthened alloys UNS N06230 and UNS N06...
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Published on Apr 1, 2019in Corrosion 1.93
Ali Fatehi (Isfahan University of Technology), A. Eslami4
Estimated H-index: 4
(Isfahan University of Technology)
+ 2 AuthorsRoozbeh Ashari (Isfahan University of Technology)
In this study the effect of cathodic protection (CP) and sulfate-reducing bacteria (SRB) on corrosion and potential distribution of pipeline steel under simulated coating disbondment was investigated. In this regard a setup simulating a coating disbondment with a gap size of 3 mm was designed and made. Different levels of cathodic polarization were applied to the open mouth (OM) of the simulated coating disbondment. The OM was the only location open to the surrounding environment, where soil sol...
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Published on Apr 1, 2019in Corrosion 1.93
Martien Duvall Deffo Ayagou1
Estimated H-index: 1
,
Gaurav R. Joshi1
Estimated H-index: 1
(French Institute of Petroleum)
+ 6 AuthorsJean Kittel7
Estimated H-index: 7
(French Institute of Petroleum)
Materials selection in the oil and gas industry relies on engineering standards, such as NACE TM0177 and NACE TM0284, which stipulate that oxygen contamination should be avoided during materials testing in H2S-containing media. In this second paper, as part of a series of articles that evaluate how traces of oxygen modify the corrosion of pure iron and hydrogen permeation across iron membranes in H2S-containing solutions, we investigate the impact of changing the H2S partial pressure from 100 kP...
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Published on Apr 1, 2019in Corrosion 1.93
Jan Stoulil3
Estimated H-index: 3
(Institute of Chemical Technology in Prague),
Milan Kouril1
Estimated H-index: 1
(Institute of Chemical Technology in Prague)
+ 3 AuthorsKaterina Nova (Institute of Chemical Technology in Prague)
This work is focused on evaluation of the susceptibility of spent nuclear fuel repository canister structural materials to hydrogen embrittlement. The materials studied in these experiments were duplex stainless steel 2205 and titanium alloy with palladium. Both hydrogen absorption kinetics and mechanical properties were studied. Both materials were tested in a solution of sulphuric acid with arsenic trioxide and in the synthetic bentonite pore water. Laboratory temperature, 40 °C and 90 °C and ...
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Published on Apr 1, 2019in Corrosion 1.93
Siddhartha Roy3
Estimated H-index: 3
(Virginia Tech),
Philip A. Smith (Virginia Tech)+ 1 AuthorsMarc Edwards44
Estimated H-index: 44
(Virginia Tech)
The January 2014 Federal Reduction of Lead in Drinking Water Act reduced the lead content in brass used in water distribution operations and in premise plumbing from 8% to < 0.25% Pb (termed, “nonleaded”) to protect the public from lead exposure. The switch to nonleaded materials has created legitimate concerns for water utilities, because anecdotally, the new nonleaded alloys have sometimes been more susceptible to erosion corrosion than the older leaded brass alloys. This study investigate...
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Published on Apr 1, 2019in Corrosion 1.93
Celebrating the 75th anniversary of CORROSION is an honor and we commend the thousands of authors, reviewers, and editors who have helped us create this lasting legacy of corrosion science research. As part of this anniversary, you have already seen the redesign of the print journal and an update to corrosionjouranl.org. Along with these changes, you can expect more great content and many additional web features in the coming months.
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Published on Mar 18, 2019in Corrosion 1.93
Matteo Stefanoni2
Estimated H-index: 2
(ETH Zurich),
Ueli Angst14
Estimated H-index: 14
(ETH Zurich),
Bernhard Elsener31
Estimated H-index: 31
(ETH Zurich)
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Published on Mar 1, 2019in Corrosion 1.93
Nazhen Liu3
Estimated H-index: 3
(Chinese Academy of Sciences),
Ziyan Zhu (University of Western Ontario)+ 3 AuthorsDavid W. Shoesmith31
Estimated H-index: 31
(University of Western Ontario)
Models for the corrosion of spent nuclear fuel (fission and actinide-doped uranium dioxide) provide the essential source term for the release of radionuclides from within a failed nuclear waste container in a deep geologic repository. Although redox conditions within a repository are expected to be anoxic, exposure of the fuel to groundwater will cause the generation of oxidants at the fuel surface, leading to its corrosion and the release of radionuclides. The influence of these oxidants will b...
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Published on Apr 1, 2019in Corrosion 1.93
Luis Guilherme , Assis Vicente Benedetti22
Estimated H-index: 22
(Sao Paulo State University),
Cecilio Sadao Fugivara16
Estimated H-index: 16
(Sao Paulo State University)
Electrochemical tests are well established techniques used in corrosion studies, with the development of microcells and microcapillaries enabling localized evaluation of specific microregions of a welded joint. Until now, electrochemical studies using microcells have been performed exclusively in laboratories. Therefore, the present work presents a design of a portable electrochemical microcell for weld inspection, together with its application at an industrial site. The conceptual design and th...
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