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        Improvement of the wear resistance of nickel-aluminium bronze and 2014-T6 aluminium alloy by application of alternating magnetic field treatment

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        Author
        Akram, Sufyan
        Babutskyi, Anatolii
        Chrysanthou, Andreas
        Montalvão, Diogo
        Whiting, Mark
        Pizurova, Nada
        Attention
        2299/24523
        Abstract
        The present work has used an alternating magnetic field treatment at ambient temperature to improve the wear resistance of nickel-aluminium bronze and aluminium alloy 2014-T6. Pin-on-disc wear tests under lubricating conditions using a AISI52100 steel ball bearing as the counter face material have shown reduction in the width and depth of wear scars as well as lower values of the coefficient of friction following the treatment. The improved wear properties have been attributed to increased precipitation of κ IV in the case of the nickel-aluminium bronze and of GP zones as well as θ’’ for AA2014-T6. Transmission electron microscopy also revealed changes in the dislocation distribution, while X-ray diffraction showed changes in the residual stress for both alloys. The mechanism leading to these changes is discussed by consideration of the soft ferromagnetic properties of the nickel-aluminium bronze and the paramagnetic nature of AA2014.
        Publication date
        2021-09-15
        Published in
        Wear
        Published version
        https://doi.org/10.1016/j.wear.2021.203940
        License
        http://creativecommons.org/licenses/by-nc-nd/4.0/
        Other links
        http://hdl.handle.net/2299/24523
        Relations
        School of Physics, Engineering & Computer Science
        Metadata
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