Liquid metal/ceramic interactions in the (Cu, Ag, Au)/ZrB2 systems (Articolo in rivista)

Type
Label
  • Liquid metal/ceramic interactions in the (Cu, Ag, Au)/ZrB2 systems (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jeurceramsoc.2006.12.008 (literal)
Alternative label
  • A. Passerone; M. L. Muolo; R. Novakovic; D. Passerone (2007)
    Liquid metal/ceramic interactions in the (Cu, Ag, Au)/ZrB2 systems
    in Journal of the European Ceramic Society
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Passerone; M. L. Muolo; R. Novakovic; D. Passerone (literal)
Pagina inizio
  • 3277 (literal)
Pagina fine
  • 3285 (literal)
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  • I.F. 2007= 1,562 (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0955221907000210 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 27 (literal)
Rivista
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  • In: Journal of the European Ceramic Society, vol. 27 (10) pp. 3277 - 3285. Elsevier, 2007. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 10 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
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  • IENI-GE, CNR, Via De Marini 6, 16149-Genoa (I), Italy Empa-Mater. Sci. & Techn., U¨ berlandstrasse 129, CH-8600 Du¨bendorf, Zurich (CH), Switzerland (literal)
Titolo
  • Liquid metal/ceramic interactions in the (Cu, Ag, Au)/ZrB2 systems (literal)
Abstract
  • Wetting and spreading experiments on ZrB2 in contact with liquid Cu, Ag and Au have been performed by the sessile drop technique under a vacuum. The wetting and spreading characteristics and the interfacial reactions are discussed as a function of time and of the metal involved. The interfacial morphologies, analysed by optical microscopy, SEM and EDS show the presence of regular interfaces without macroscopic reaction layers. Gold, to a very large extent and copper are shown to give rise to extensive penetration along grain-boundaries, whereas silver neither wets nor penetrates. Interfacial diffusion/dissolution is taken into account and the consequent changes in liquid metal surface tension and wetting behaviours have been evaluated by means of thermodynamic calculations. Moreover, interfacial energetics at the atomistic level has been investigated by means of pseudopotential-based Density Functional Theory (DFT) technique. It is shown how the calculation of the ideal work of separation on the specific transition metal borides-molten metal systems can be used to interpret the wetting behaviour. Moreover, the dependence of the adhesion behaviour on the electronic structure at the interface and on the interface epitaxy and composition is also briefly discussed. (literal)
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