Interfacial Phenomena in Al2O3-Liquid Metal and Al2O3-Liquid Alloy Systems
| dc.contributor.author | Nikolopoulos P., Agathopoulos S. | en |
| dc.date.accessioned | 2015-11-24T17:35:11Z | |
| dc.date.available | 2015-11-24T17:35:11Z | |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/14088 | |
| dc.rights | Default Licence | - |
| dc.title | Interfacial Phenomena in Al2O3-Liquid Metal and Al2O3-Liquid Alloy Systems | en |
| heal.abstract | The sessile drop technique has been used to measure the contact angle of liquidmetals and liquidalloys in contact with polycrystalline alumina. The experiments were carried out in argon atmosphere at various temperatures. The measured contact angles exhibit no wettability (θ > 90°). The linear temperature functions of the work of adhesion as well as of the interfacial energy were also determined in the investigated systems. The partial high values of the work of adhesion in several Al2O3-liquidmetalsystems can be attributed to a chemical bond establishment at the interface. The values of the interfacial energies at the melting point of the metals, for non-reactive Al2O3-liquidmetalsystems, vary in a restricted region (2·35 2·75) J m?2). An empirical relation is proposed for evaluation of the interfacial energy of the metals at their melting point. The agreement between experimental and calculated values is satisfactory. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | http://www.sciencedirect.com/science/article/pii/0955221992900167 | - |
| heal.journalName | Journal of the European Ceramic Society | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1992 | - |
| heal.publisher | Elsevier | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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