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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"Electrochemical corrosion"”.
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Electrochemical corrosion testing of boronized and unboronized steels
… substantially. One of these properties is corrosion resistance. Corrosion resistance testing has been performed in many ways right from the traditional weight loss methods to the latest electrochemical techniques. These electrochemical techniques are more reliable and less time consuming …
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An In Vitro Electrochemical Corrosion Study of Coupled Surgical Implant Materials.
The use of surgical implants in the human body is common and increasing in frequency. The materials used in biological applications vary widely according to the specific conditions of use. In cases requiring high strength, resistance to fatigue and wear, the chosen material is often a metallic …
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Modeling water chemistry and electrochemical corrosion potential in boiling water reactors
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1997.
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Ultra-thin moisture barrier coatings for passive components
… their performance degrades rapidly due to electrochemical corrosion. Conventional protective coatings, such as epoxies and polyurethanes, are extremely thick--usually over 1 mm. Previous work has shown that a thick coating leads to a large equivalent series inductance (ESL) of the …
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Effect of heat treatment on the mechanical and corrosion properties of the CoCrNiFeAl HEAs
… properties of these alloys, as well as their electrochemical corrosion behavior. A thermodynamic model was implemented to predict the performance of the material. The results of this study provide a good insight into the potential of CoCrNiFeAl HEAs to be employed in different applications, as …
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Corrosion Studies of Molten Chloride Salt: Electrochemical Measurements and Forced Flow Loop Tests
This study encompasses various aspects of corrosion in chloride molten salt environments, employing electrochemical techniques and a forced convection loop. It explores corrosion thermodynamic properties, electrochemical corrosion kinetics, and flow-induced dynamic corrosion. The study developed a …
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An Investigation on the Corrosion Susceptibilities of Multi-Alloy Total Hip Replacements.
… of alloys was likely to provoke more rapid corrosion of one alloy. With the advent of electrochemical corrosion analyses, accurate predictions can now be made as to the corrosion susceptibilities of materials thus permitting combinations to be considered.Presently there is a design for a …
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In-vitro characterization of boronized titanium alloy by means of corrosion and electrochemical impedance spectroscopy methods in simulated body fluids
… titanium's wear resistance and also improves corrosion resistance. The target of this research was to characterize the corrosion characteristics of both unboronized and boronized titanium using both electrochemical corrosion methods and Electrochemical Impedance Spectroscopy (ELS) in simulated …
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Near Field Scanning Optical Microscopy: Instrument Engineering and the Investigation of Porous Gallium Arsenide Structure-Property Relationships
… crystalline features were formed through an electrochemical corrosion process. Surface characterization techniques including XPS, AES and EDAX were utilized to identify the crystalline features as arsenic oxide species. From the surface analysis data, as well as observations of crystalline …
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Corrosion behaviour of welded joints within chloride and chloride/CO[2] environments.
Electrochemical measurements and metallographic studies were performed on welded carbon steel pipeline materials. Corrosion tests were performed within naturally chloride solution with and without CO[2] additions at ambient temperature. The pH within different environments, chloride solution alone …
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Assessment of Commercial Corrosion Inhibiting Admixtures for Reinforced Concrete
Corrosion of reinforcing steel in concrete exposed to chloride-laden environments is a well-known and documented phenomenon. The need for cost effective systems for protection against corrosion has become increasingly clear since the first observations of severe corrosion damage to interstate …
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Erosion-corrosion mitigation using chemicals
… as wells age and this is leading to erosion-corrosion in C02-saturated conditions becoming a major mechanism of material attack. Its understanding, prediction and control are key challenges to sound facilities design. The use of carbon steel in conjunction with corrosion inhibitors in …
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Synthesis and Characterization of Ag and Cu doped DLC Thin Films for Anti-microbial Applications
… a 0.9 wt.% NaCl solution under a 10 N load. The electrochemical corrosion performance was investigated using potentiodynamic polarization tests. The results showed appreciable reduction in residual stress and a slight decrease in hardness with Ag doping up to 13.2 at.% and Cu doping up to 8.1 …
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Experimental Study of Reinforced Concrete Ties under Load and Corrosion
Corrosion of reinforcing bars embedded in concrete is a worldwide problem that affects numerous reinforced concrete (RC) structures, which generates expansive products and decreases the cross section of the bars, compromising the safety of the structure. In Italy, the national highway network …
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Anti-Adhesive Si-and F-Doped DLC Coatings and Micro-Nanostructured Surfaces for Medical Implants
… adhesion onto the coatings were obtained. The electrochemical corrosion tests showed that the doped DLC coatings has excellent anti-corrosion properties and can protect stainless steel from corrosion. <br/><br/>In this study the effects of material topography on bacterial adhesion were …
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Influence of environmental conditions and proton irradiation on molten salt corrosion of metals
… interactions between molten salts and materials, corrosion is critical to study for the successful deployment of these and other applications. This thesis contributes to our understanding of corrosion of metals in high temperature molten salts, especially fuorides. Corrosion of materials in molten …
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Innovative Deposition of Corrosion Inhibitors by Abrasive Blasting
… surface cleaning procedure, for removing old corrosion scales and paint prior to the application of new coatings. A certain percentage of the garnet and its impurities remain attached, partially covering the steel. Between cleaning and repainting, seawater aerosol droplets can impact the steel …
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Characterisation of Potential Replacements for Nickel Compounds used in Decorative Chromium Plating
… terms of the appearance, surface topography and corrosion resistance by using spectrophotometry, scanning electron microscopy (SEM), atomic force microscopy (AFM), linear polarisation, electrochemical impedance spectroscopy (EIS) and accelerated corrosion salt spray methods. Spectrophotometry …
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Surfactant aspects of corrosion inhibition
… with investigating the surfactant aspects of corrosion inhibition. Corrosion inhibitors are of great industrial importance because they are a relatively inexpensive and easily applicable method of protecting oil pipelines against internal corrosion. The performance of corrosion inhibitors is …
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