Marine Corrosion

Phull, Bopinder

doi:10.1016/b978-044452787-5.00046-9

Cited by 12 publications

(4 citation statements)

References 47 publications

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“…Corrosion in seawater is typically a combination of chemical reactions and anaerobic corrosion; lead may be oxidized to an oxide that can react with NaCl to yield lead chlorides or converted to sulfate salts that are susceptible to bacteria . The test samples were only immersed in brine for a short period and with no added sulfate or calcium ions as might be expected in seawater.…”

Section: Examining the Results And Reflecting On The Findingsmentioning

confidence: 99%

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Spencer

Liang

2019

J. Chem. Educ.

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Incorporating research activities at the secondaryschool level is an effective method to teach science; however, students and teachers may feel intimidated when trying to identify a suitable research topic. Ideas may be obtained from short articles in periodicals or newspapers to allow students to design their own experiments and interpret data. To illustrate how highschool research projects can be developed from such sources and accomplished with simple techniques and tools, a student-directed project inspired by historical metal-casting methods is described. References to key steps in the process of scientific inquiry are included to demonstrate how simple ideas can yield research questions.

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Section: Examining the Results And Reflecting On The Findingsmentioning

confidence: 99%

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Spencer

Liang

2019

J. Chem. Educ.

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“…The deposition of Mn 4+ ions under the biofilms of Leptothrix sp. can lead to the ennoblement of SSs, and this can further accelerate the propagation of pitting corrosion 5,6. The evidence of this localised corrosion initiation was found on specimens exposed in the pure culture of Leptothrix sp.…”

Section: Discussionmentioning

confidence: 99%

“…– 8 This is due to the fact that these inclusions are more anodic and active on the passive SS surface. These inclusions dissolve more rapidly, leading to locally aggressive solution compositions, which cause the breakdown of passive films of SSs 6,9. Dissolution is known to be localised to the inclusion/metal interface because of the low electrical conductivity of the inclusion relative to the metal.…”

Section: Introductionmentioning

confidence: 99%

Inhibition of manganese oxidising bacterial adhesion on pretreated stainless steel surfaces

George

Muraleedharan

Tamilvani

et al. 2012

Surface Engineering

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AISI type 304 stainless steel (SS) specimens in solution annealed and cleaned and passivated conditions were exposed to laboratory culture of Leptothrix sp. Epifluorescence studies and total viable count analysis of these specimens showed that bacterial density and biofilm coverage were the least on cleaned and passivated SS surfaces. To confirm whether MnS inclusions play a role in this, adhesion studies at applied potentials, surface characterisation studies using SEM and EDAX analysis and pitting studies with ferric chloride were carried out. These studies clearly revealed the removal of MnS inclusions. This removal leads to a significant reduction in the adhesion of Leptothrix sp. The significance of the present study is that pretreatment of SS by cleaning and passivation inhibited the adhesion of Leptothrix sp. This reduction in adhesion is responsible for the increased corrosion resistance of SS under biofilms in aqueous environments.

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“…From the results shown in Figures 6B and 7B, CdS/WO 3 could provide the photoinduced current densities of 500 μA cm −2 for 304 SS and 540 μA cm −2 for Q235 CS under visible light illumination, which are much larger than the corrosion current densities of 304 SS and Q235 CS in quiescent seawater. 34 Due to the electrons-storage capability of WO 3 , the redundant photoinduced electrons generated by CdS/WO 3 can be stored as the form of Na x WO 3 based on the forward direction of Eq. 1.…”

Section: Analysis Of the Electron-storage Capability Of Womentioning

confidence: 99%

Photoelectrochemical Cathodic Protection Induced from Nanoflower-Structured WO₃Sensitized with CdS Nanoparticles

Jing¹,

Chen²,

Bu³

et al. 2016

J. Electrochem. Soc.

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The nanoflower-structured WO 3 sensitized with CdS nanoparticles (CdS/WO 3 ) was prepared on etched Ti substrate using a solvothermal method. The WO 3 nanoflowers were composed of many nanoflakes, which endowed WO 3 with large specific surface area and good charge carrier migration capabilities. CdS nanoparticles were deposited on the surfaces of the nanoflakes. Heterojunction electric fields were formed on the interface of CdS/WO 3 , resulting in the enhancement of the separation efficiency of the photogenerated electrons and holes and thus the promotion of the photoelectrochemical cathodic protection performance. WO 3 can store electrons, leading to a time-delay cathodic protection for the coupled metal in the dark.

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Marine Corrosion

Cited by 12 publications

References 47 publications

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Inhibition of manganese oxidising bacterial adhesion on pretreated stainless steel surfaces

Photoelectrochemical Cathodic Protection Induced from Nanoflower-Structured WO₃Sensitized with CdS Nanoparticles

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Marine Corrosion

Cited by 12 publications

References 47 publications

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Recipe for Developing High-School Research Projects Illustrated by a Student’s Interpretation of Historical Metal Casting

Inhibition of manganese oxidising bacterial adhesion on pretreated stainless steel surfaces

Photoelectrochemical Cathodic Protection Induced from Nanoflower-Structured WO3Sensitized with CdS Nanoparticles

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Product

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Photoelectrochemical Cathodic Protection Induced from Nanoflower-Structured WO₃Sensitized with CdS Nanoparticles