Surface characterization of Mo-implanted 6H-SiC by high temperature non-reactive wetting tests with the Ni-56Si alloy (Articolo in rivista)

Type
Label
  • Surface characterization of Mo-implanted 6H-SiC by high temperature non-reactive wetting tests with the Ni-56Si alloy (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ceramint.2013.12.062 (literal)
Alternative label
  • Zhao S.T.; Valenza F.; Liu G.W.; Muolo M.L.; Qiao G.J.; Passerone A. (2014)
    Surface characterization of Mo-implanted 6H-SiC by high temperature non-reactive wetting tests with the Ni-56Si alloy
    in Ceramics international
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zhao S.T.; Valenza F.; Liu G.W.; Muolo M.L.; Qiao G.J.; Passerone A. (literal)
Pagina inizio
  • 7227 (literal)
Pagina fine
  • 7234 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0272884213016787 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 40 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,5 : State Key Laboratory for Mechanical Behavior of Materials, Xi'An Jiaotong University, Xi'an 710049, China / 2,4,6 : Institute for Energetics and Interphases, IENI-CNR, Via De Marini 6, 16149 Genoa, Italy / 3,5 : School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China / 1 : School of Material Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China (literal)
Titolo
  • Surface characterization of Mo-implanted 6H-SiC by high temperature non-reactive wetting tests with the Ni-56Si alloy (literal)
Abstract
  • The effects of Mo ion implantation into SiC monocrystalline substrates and succeeding annealing treatments on the interfacial characteristics of 6H-SiC were investigated by means of wettability tests. Ni (reactive) and the Ni-56Si alloy (non-reactive) have been used as liquid phases as a means to evidence the influence of surface and interfacial tensions on solid-liquid interactions. The variations of contact angle as a function of Mo implantation and of temperature are analyzed and discussed. The results indicated that a significant improvement of wettability was mainly related to the increase of surface energy ( ?SV) of SiC substrate and to the presence of Mo, rather than to the surface roughness of the ceramic substrate. With increasing annealing temperature, the contact angle of the Ni-56Si/SiC system increased as a result of the crystallization of the SiC amorphous surface and the loss of Mo at the substrate surface due to oxidation and diffusion/vaporization. The influence of these phenomena on technological processes such as metal-ceramic brazing is also taken into consideration. (literal)
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