Wettability and Work of Adhesion of Nonreactive Liquid Metals on Silica (Articolo in rivista)

Type
Label
  • Wettability and Work of Adhesion of Nonreactive Liquid Metals on Silica (Articolo in rivista) (literal)
Anno
  • 1988-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1151-2916.1988.tb06407.x (literal)
Alternative label
  • Sangiorgi R., Muolo M. L., Chatain D., Eustathopoulos N. (1988)
    Wettability and Work of Adhesion of Nonreactive Liquid Metals on Silica
    in Journal of the American Ceramic Society
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sangiorgi R., Muolo M. L., Chatain D., Eustathopoulos N. (literal)
Pagina inizio
  • 742 (literal)
Pagina fine
  • 748 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 71 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • Google Scholar (literal)
  • PuMa (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sangiorgi-Muolo - ICFAM-CNR - Genova Chatain-Eustathopoulos - LTPCM Saint Martin D'Heres (F) (literal)
Titolo
  • Wettability and Work of Adhesion of Nonreactive Liquid Metals on Silica (literal)
Abstract
  • Wettability of silica by gold, silicon, and lead has been determined by the sessile-drop method. The contact angle, ?, and the work of adhesion, W, have been found to be 143° and 227 mJ·m-2 for gold at 1353 K, 87° and 869 mJ·m-2 for silicon at 1723 K, and 120° and 203 mJ·m-2 for lead at 1000 K. Thermodynamic adhesion between silica and nonreactive pure metals has been analyzed using models for metal-oxide bonds. Models based on the assumption that only van der Waals interactions and/or metal-oxygen chemical bonds exist at the metal-oxide interface are unsuited for explaining the relative variations in the W values. A valid model can be accomplished by using an empirical equation which takes into account both metal-oxygen and metal-oxide chemical bonds. It appears that chemical bonds exist at the interface even for nonreactive metal-ionocovalent oxide systems. (literal)
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