Electrochemical characterization of glass/Al reactions at high temperature (Articolo in rivista)

Type
Label
  • Electrochemical characterization of glass/Al reactions at high temperature (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jnoncrysol.2013.03.033 (literal)
Alternative label
  • A. Dell'Era, M. Pasquali, A. Curulli, D. Zane (2013)
    Electrochemical characterization of glass/Al reactions at high temperature
    in Journal of non-crystalline solids; ELSEVIER, NEW YORK (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Dell'Era, M. Pasquali, A. Curulli, D. Zane (literal)
Pagina inizio
  • 37 (literal)
Pagina fine
  • 43 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0022309313001695 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 370 (literal)
Rivista
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  • 7 (literal)
Note
  • Scopu (literal)
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  • University Sapienza Rome, Dept. SBAI, Via del Castro Laurenziano 7, Roma, 00161 Roma, Italy DME UniversityGuglielmo MarconiVia Virgilio, 8 00193 Rome, Italy Istituto per lo Studio dei Materiali Nanostrutturati Sezione Roma 2, Via del Castro Laurenziano 7, 00161 Roma, Italy (literal)
Titolo
  • Electrochemical characterization of glass/Al reactions at high temperature (literal)
Abstract
  • A high temperature Al(-)/glass/stainless steel-O2(+) system, was studied and characterized by SEM and EDS analysis. Indeed, a potential ranging from 1.75 to 1.5 V between steel and aluminum, at a temperature above 500 C, has been observed. By connecting this package to a resistance, a current flow was detected. Above the aluminum melting point, there is a reaction between SiO 2 glass and metal, with formation of Al2O3 and Si, moreover there is a change in the soda-lime glass composition, a nucleation of crystalline phases in the glass itself, and the formation of a porous layer of alumina, with the typical inhomogeneity of a system heated at this temperature. It seems that the current passing through the glass phase, by the electric field generated by the formation of a metal/air cell, can influence the composition of the glass phase at high temperature and can inhibit the nucleation and the growth of crystalline zones. (literal)
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