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  • Advanced brass-based compos...
    Huang, C.J.; Wu, H.J.; Xie, Y.C.; Li, W.Y.; Verdy, C.; Planche, M.-P.; Liao, H.L.; Montavon, G.

    Surface & coatings technology, 08/2019, Letnik: 371
    Journal Article

    For an example of brass material-Muntz alloy, the present work compared the microstructures and properties, such as, ceramic deposition efficiency, surface morphology, phase, microhardness, electrochemical behaviour and thermal property, of two kinds of brass-based composite coatings reinforced with SiC and Al2O3 by cold-spray additive-manufacturing. A potential application in repairing the Muntz component was implemented, and the restoration quality was assessed by the interfacial microstructure and tribological performance. In particular, cold spray was proved to be a suitable method of additive manufacturing the easily oxidized and vaporized material and repairing its component. •Two ceramic-brass coatings produced by cold-spray additive-manufacturing show no decomposition and phase transformation.•The used ceramic materials were detected to be 6H-SiC and α-Al2O3 by Raman spectra.•Deposition efficiency, microhardness, corrosion and thermal behaviours of two ceramic-brass coatings are compared.•Machinability, interfacial microstructure and wear resistance proved an excellent restoration quality.