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The combined corrosion-wear degradation of nano-structured Ni–SiC coatings in sliding contacts immersed in electrically conductive solutions is investigated in situ by electrochemical techniques (open-circuit potential measurements, E OC , the potentiodynamic polarization measurements, PD, and the electrochemical impedance spectroscopy). The coating thickness was 50μm, with an average volume...
Hard chromium coatings are frequently used for application where corrosion and wear degradation are combined, as an example in earthmovers, in mining transport systems or in moulds for plastics. The aim of this work is to study the mechanisms of tribocorrosion of hard chromium coated steel bars in a sodium chlorides solution under sliding wear. Using a self-made wear-corrosion apparatus, many parameters...
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