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Publications (9)
Cold spray (CS) and laser-assisted cold spray (LACS) processes were used to deposit four CrMnCoFeNi Cantor alloy coatings on mild steel substrates. Three different laser powers of 1, 3, and 4 kW were used for LACS deposition. The microstructures and mechanical properties of all four coatings were analyzed and compared. Scanning electron microscopy...
Low-carbon martensitic stainless steels, such as 13%Cr4%Ni, are widely used in manufacturing hydraulic turbine runners. High tensile strength steel, such as cast CA6NM or wrought S41500 martensitic stainless steel, has an acceptable resistance to corrosion and cavitation, and reduces the weight and cost while offering a more efficient design. Durin...
Electropolishing as a surface preparation technique is increasing in popularity in industrial applications and for corrosion studies. Electropolished surfaces have shown better resistance to pitting corrosion over mechanical polishing; however, the fundamental reason governing the change in corrosion behaviour remains unclear. This study examined t...
The damage to a metal is significantly enhanced when simultaneously exposed to a corrosive solution and a cyclic mechanical stress. However, decoupling the contributions from each damage mechanisms is difficult. Localized electrochemical techniques, in particular scanning electrochemical microscopy (SECM), scanning electrochemical cell microscopy (...
This paper presents an overview of the Cu corrosion research being conducted by the Radiation Assisted Materials Performance Science (RAMPS) group at Western University, in collaboration with the Canadian Nuclear Waste Management Organization (NWMO) and Canada Natural Science and Engineering Research Council (NSERC). This paper presents an overview...
This paper presents an overview of the Cu corrosion research being conducted by the Radiation Assisted Materials Performance Science (RAMPS) group at Western University, in collaboration with the Canadian Nuclear Waste Management Organization (NWMO) and Canada Natural Science and Engineering Research Council (NSERC). This paper presents an overview...
Transition metals such as iron are reactive components of environmentally-relevant surfaces. Here, dark reaction of Fe(III) with catechol and guaiacol was investigated in an aqueous solution under experimental conditions that mimic reactions in the adsorbed phase of water at pH 3. Using UV-vis spectroscopy, liquid chromatography, mass spectrometry,...
