Production of copper nanocomposite coatings using PRP (pulse reverse plating) and anionic surfactant Hannah Hilton-Tapp , David Weston Centre for Sustainable Materials Processing, University of Leicester, UK The development of the process to produce Metal Matrix Nanocomposite (MMNC) coatings can provide opportunity for the enhancement of mechanical and electrical properties. As the mechanical, electrical and thermal demand of materials increases, the properties of these materials must progress with them. Equally, if the properties of materials improve, technology is able to progress quicker. Copper is of particular importance in industry due to its high thermal and electrical conductivity at room temperature, however it is a relatively soft, malleable metal. Incorporating nanoparticles, such as SiC, into the copper matrix can improve the hardness and wear resistance of the coatings, without significantly diminishing the other properties. The utilisation of Pulse Reverse Plating (PRP) in the production of MMNCs has been explored over the years but only recently have the anodic pulse and anionic surfactant been taken advantage of to increase particle content. [2,3] This work focuses on applying this to the production of Cu-SiC nanocomposite coatings. Anionic surfactant concentration within the plating bath against a constant concentration of SiC and plating parameters were varied; the composition and mechanical properties of the resulting coatings were determined and compared. References 1. H. Hilton-Tapp, J. Kelly, D. Weston, Trans IMF, 2023, 101 , 4, 179-188 2. D. P. Weston, D. Albusalih, H. Hilton-Tapp, D. Statharas, S. P. Gill, J. Navajas, J. Cornec, N. J. Weston, Mat Chem and Phys, 2023, 305 , 127943 3. D. Albusalih, S. Gill, D. Weston, F. Altmann, Trans IMF, 2019, 97 , 203-216
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