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Corrosion

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The Composition Structure And Corrosion Resistance Of Al-Mn Alloy Plating, Jiaju Guo Nov 1995

The Composition Structure And Corrosion Resistance Of Al-Mn Alloy Plating, Jiaju Guo

Journal of Electrochemistry

The Al-Mn alloy plating was electrodeposition from low temperature molten salts(below 200℃),its chemical composition control,corrosion resistance as well as the relationshipbetween chemical composition and structure were studied.The results indicate that the main effect onchemical composition of Al-Mn alloy plating is Mn ion concentration in molten salts.The Mn contentin the range of 25~40(wt)%, Al-Mn alloy plating has amorphous structure. In 0.5 mol/L H_2SO_4and NaCl solution ,corrosion resistance of the alloy plating is much better.When the alloy hasamorphous structure,corrosion resistance of plating has been remarkably increased.


Application Of Inhibitor To Improve The Anticorrosion Performance Of Electrophoretic Coating, Changshou Cai, Fangteng Su, Bihuan Liu, Guomou Wen, Jingdong Guo Feb 1995

Application Of Inhibitor To Improve The Anticorrosion Performance Of Electrophoretic Coating, Changshou Cai, Fangteng Su, Bihuan Liu, Guomou Wen, Jingdong Guo

Journal of Electrochemistry

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.The results show that thedeposition of polymer with zinc phospate exhibits a high inbihition efficiency.The inhibitionmechanism of the inhibitor in electrocoating has been studied.


Long-Term Effects Of Neutron Absorber And Fuel Matrix Corrosion On Criticality, William Culbreth, P. Zielinski May 1994

Long-Term Effects Of Neutron Absorber And Fuel Matrix Corrosion On Criticality, William Culbreth, P. Zielinski

Mechanical Engineering Faculty Research

Proposed waste package designs will require the addition of neutron absorbing material to prevent the possibility of a sustained chain reaction occurring in the fuel in the event of water intrusion. Due to the low corrosion rates of the fuel matrix and the Zircaloy cladding, there is a possibility that the neutron absorbing material will corrode and leak from the waste container long before the subsequent release of fuel matrix material. An analysis of the release of fuel matrix and neutron absorber material based on a probabilistic model was conducted and the results were used to prepare input to KENO-V, …


Electrochemical Technique For Corrosion Monitoring, Nadia Mohamed Khattab Jan 1987

Electrochemical Technique For Corrosion Monitoring, Nadia Mohamed Khattab

Archived Theses and Dissertations

The present work is a study of the applicability of linear polarisation resistance technique as a means for corrosion monitoring. Parameters tested were alloy composition, surface finish of specimens before exposure, concentration of aqueous environment and the additional effect of soil to the aqueou􀀂 medium. A simple galvanostatic polarisation circuit was utilized. A polarisation resistance curve was then plotted from which the corrosion current densities and corrosion rates were calculated. The results of this work show that Corrosion reactions depend on both thermodynamic and kinetic parameters, also these reactions are under mixed control and the potential actually measured at the …


Electrolytic Refining Of Copper By The Series System, Jerome Yopps May 1959

Electrolytic Refining Of Copper By The Series System, Jerome Yopps

Bachelors Theses and Reports, 1928 - 1970

The purpose of this thesis investigation was to determine the characteristics of the series system of electrolytic refining of copper.


An Investigation Into Salt-Bath Heat Treatment For Titanium, Robert Fred Bechtold May 1957

An Investigation Into Salt-Bath Heat Treatment For Titanium, Robert Fred Bechtold

Bachelors Theses and Reports, 1928 - 1970

Titanium, although possessing excellent corrosion resistance in some media, is severely attacked by molten inorganic salts such as those employed in heat-treating baths. Since titanium undergoes allotropic changes, many of its alloys are amendable to heat treatment. The purpose of this study was to discover a salt (or other suitable medium) in which titanium alloys can be successfully heat treated without fear of corrosion.