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1.93
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2019 in CorrosionIF: 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 Shoesmith2
Estimated H-index: 2
(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 ...
1 Citations Source Cite
2019 in CorrosionIF: 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 behaviour of two solid-solution strengthened alloys; UNS N06230, UNS N06617, two gamma - prime (i§â€™) strengthened UNS N07263 and UNS N07208. The samples have been tested under 1 bar pressure in 100% water – steam – water system in temperature range 700 - 800 oC for 3000 hours. The study has showed that Ni based solid-solution strengthened alloys; UNS N06230, UNS N06617 d...
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2019 in CorrosionIF: 1.93
Ali Fatehi (Isfahan University of Technology), A. Eslami4
Estimated H-index: 4
(Isfahan University of Technology)
+ 2 AuthorsRoozbeh Ashari
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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2019 in CorrosionIF: 1.93
Prasad V. Bahekar (Visvesvaraya National Institute of Technology), Sangeeta S. Gadve (Visvesvaraya National Institute of Technology)
Impressed current cathodic protection (ICCP) is a well-established technique of rebar protection in concrete against corrosion. Application of ICCP needs provision of external anode while rebar becomes cathode. It has been already reported that, in Carbon FRP strengthened reinforced concrete (RC) structures, carbon FRP can act as an external anode due to its conductive properties and can successfully protect rebar from corrosion. However, higher protection current density reduces bond strength o...
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2019 in CorrosionIF: 1.93
Junsoo Han1
Estimated H-index: 1
(PSL Research University),
Dominique Thierry14
Estimated H-index: 14
,
K. Ogle20
Estimated H-index: 20
(PSL Research University)
The reactivity of the α-phase of Al-Zn (Zn-68 wt% Al, Al5.2Zn) in deaerated 0.1 M NaOH solution (simulating industrial pretreatments) was investigated and compared with that of pure Al and Zn. The elementary phenomena of metal oxidation, dissolution, oxide formation, and hydrogen evolution were decoupled using atomic emission spectroelectrochemistry. At the open-circuit potential, the Al5.2Zn phase reacted similarly as pure Al, undergoing selective Al dissolution to form a Zn(0) enriched layer. ...
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2019 in CorrosionIF: 1.93
Yakun Zhu (Ohio State University), G. S. Frankel43
Estimated H-index: 43
(Ohio State University)
The localized corrosion of AA2060-T8 and the role of two major types of intermetallic particles (IMPs), heterogeneous Al-Cu-Fe-Mn and S-phase (Al2CuMg), were studied using scanning Kelvin probe force microscopy (SKPFM) and scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS). Topography and Volta potential maps were collected to determine the corrosion morphology around, and the relative nobility of, the same IMPs before and after sequential exposure to NaCl solut...
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2019 in CorrosionIF: 1.93
Andrew Moran (University of Akron), R. S. Lillard5
Estimated H-index: 5
(University of Akron)
The effect of alternating current on the corrosion rates of cathodically protected buried steel pipeline was investigated through mass loss testing. Results indicate that cathodic protection at potentials at or below the CP criteria of -780 mV vs SCE is adequate to prevent increased corrosion due to AC at AC densities up to 350 A/m2. Further, the interfacial capacitance of the steel was theorized to be a controlling factor in the ratio of the capacitive to faradaic current portions of the AC and...
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2019 in CorrosionIF: 1.93
Xiao-xiang Yu1
Estimated H-index: 1
,
Ahmet Gulec3
Estimated H-index: 3
+ 2 AuthorsLaurence Marks51
Estimated H-index: 51
(Northwestern University)
The role of chloride in aqueous corrosion during local oxide destabilization as a precursor to breakdown is investigated by combining transmission electron microscopy, atom probe tomography and density functional theory. The observations show that cube-cube epitaxy of rock-salt structure oxide initiates at the metal surface in the sodium sulfate electrolyte, which is not the ‘conventional’ nickel oxide since a large number of solute Cr atoms are captured. The rock-salt oxide thin film roughe...
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2019 in CorrosionIF: 1.93
Dr.John R. Scully1
Estimated H-index: 1
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2019 in CorrosionIF: 1.93
Cem Örnek9
Estimated H-index: 9
(Royal Institute of Technology),
Dirk Engelberg13
Estimated H-index: 13
(University of Manchester)
Type 304 (UNS S30400) austenitic stainless steel was exposed for 6 months under elastic (0.1%) and elastic-plastic (0.2%) strain to MgCl2 and mixed MgCl2:FeCl3 droplets with varying chloride deposition densities (1.5-1500 µg/cm2) at 30% relative humidity and 50°C. The occurrence of pitting corrosion, crevice corrosion, atmospheric chloride-induced stress corrosion cracking (AISCC) and hydrogen embrittlement (HE) was observed, and the average crack growth rates estimated. Exposure to elastic/plas...
1 Citations Source Cite
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