Autors: Dimitrova, R. B., Kandeva, M. K., Kamburov, V. V.
Title: Mechanical and Tribological Characteristics of TIG Hardfaced Dispersive Layer by Reinforced with Particles Extruded Aluminium
Keywords: Wear Resistance, Tribology, Extrusion, Hardfacing, Aluminium

Abstract: The article presents the results of the implemented technology for generation of hardfaced dispersive layers obtained by additive material containing reinforcing phase of non-metal particles. The wear resistant coatings are deposited on pure aluminium metal matrix by shielded gas metal-arc welding applying tungsten inert gas (TIG) with extruded aluminium wire reinforced by particles as additive material. Wire filler is produced by extrusion of a pack containing metalized and plated by flux micro/nano SiC particles. The metalized particles implanting in the metal matrix and its dispersive hardfacing are realized by solid-state welding under conditions of hot plastic deformation. Tribological characteristics are studied of the hardfaced layers of dispersive reinforced material on pure aluminium metal matrix with and without flux. Hardness profiles of the hardfaced layers are determined by nanoindentation. The surface layers are studied by means of Scanning Electron Microscopy (SEM) and

References

    Issue

    Tribology in Industry, vol. Vol. 39, pp. 9-19, 2017, Serbia, Tribology in Industry, ISSN: 03548996, https://doi.org/10.24874/ti.2017.39.01.02

    Цитирания (Citation/s):
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    Вид: пленарен доклад в международен форум, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus