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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Oliveira, M. | en |
| dc.contributor.author | Agathopoulos, S. | en |
| dc.contributor.author | Ferreira, J. M. F. | en |
| dc.date.accessioned | 2015-11-24T17:31:17Z | - |
| dc.date.available | 2015-11-24T17:31:17Z | - |
| dc.identifier.issn | 0955-2219 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13567 | - |
| dc.rights | Default Licence | - |
| dc.subject | inter-faces | en |
| dc.subject | microstructure | en |
| dc.subject | si3n4 | en |
| dc.subject | oxidation | en |
| dc.subject | aluminium alloys | en |
| dc.subject | silicon-nitride ceramics | en |
| dc.subject | transmission electron-microscopy | en |
| dc.subject | nonoxide ceramics | en |
| dc.subject | molten aluminum | en |
| dc.subject | chemistry | en |
| dc.subject | strength | en |
| dc.subject | mechanisms | en |
| dc.subject | corrosion | en |
| dc.subject | si3n4 | en |
| dc.subject | dense | en |
| dc.title | The influence of Y2O3-containing sintering additives on the oxidation of Si3N4-based ceramics and the interfacial interactions with liquid Al-alloys | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.primary | DOI 10.1016/j.jeurceramsoc.2004.03.021 | - |
| heal.identifier.secondary | <Go to ISI>://000225427400003 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0955221904001451/1-s2.0-S0955221904001451-main.pdf?_tid=9580d4c65d06ccfadd6b71540796192a&acdnat=1339492640_058732e0cf1e6196f4a94aef6a7e9447 | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.publicationDate | 2005 | - |
| heal.abstract | Sintering additives containing Y2O3 influence the microstructure and the crystalline-state of Si3N4-ceramics produced via pressureless sintering, and determine their response towards oxidation. Y2SiO5 and Y2Si2O7 were formed after sintering and oxidation, respectively. The superficial layers formed after oxidation are thinner and formed faster on the surface of the compositions 90Si(3)N(4)-5Y(2)O(3)-5Al(2)O(3) and 90Si(3)N(4)-5Y(2)O(3)-5AlN than on 90Si(3)N(4)-5Y(2)O(3)-2.5Al(2)O(3)-2.5AlN (in wt.%). The 90Si(3)N(4)-5Y(2)O(3)-5Al(2)O(3)/liquid Al interface features strong interfacial adhesion while mild diffusion should govern the interfacial interactions. Compounds, whose formation results from the yttria-containing sintering aids, such as yttrium aluminates, should act as diffusion barriers at the ceramic/liquid metal interface. The experimental results indicate attractive features for applications in both Al-foundry industry and production of Si3N4-Al composites. (C) 2004 Elsevier Ltd. All rights reserved. | en |
| heal.publisher | Elsevier | en |
| heal.journalName | Journal of the European Ceramic Society | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Oliveira-2005-The influence of Y2O.pdf | 842.61 kB | Adobe PDF | View/Open Request a copy |
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