http://www.cnr.it/ontology/cnr/individuo/prodotto/ID213832
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)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Dell'Era, M. Pasquali, A. Curulli, D. Zane (literal)
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- http://www.sciencedirect.com/science/article/pii/S0022309313001695 (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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