Zuo, Ruzhong ; Aulbach, Emil ; Rödel, Jürgen (2003)
Experimental determination of sintering stresses and sintering viscosities.
In: Acta Materialia, 51 (15)
doi: 10.1016/S1359-6454(03)00293-3
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
A loading dilatometer assisted by two high-resolution lasers was applied for the accurate measurement of radial and axial strains during uniaxial load assisted sintering. An improved hot forging technique was employed for the first time for the experimental determination of sintering stress and sintering viscosity by hot forging samples under various loads which were pre-sintered to different densities. The technique of discontinuous hot forging was discussed in detail and the effect of the developing anisotropy and different grain growth were analysed. The sintering stress and uniaxial viscosity were both obtained as functions of density ranging from 65 to 96% and compared with theoretical models. Alumina powder with a grain size of about 150 nm was used in this study.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2003 |
| Autor(en): | Zuo, Ruzhong ; Aulbach, Emil ; Rödel, Jürgen |
| Art des Eintrags: | Bibliographie |
| Titel: | Experimental determination of sintering stresses and sintering viscosities |
| Sprache: | Englisch |
| Publikationsjahr: | September 2003 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Acta Materialia |
| Jahrgang/Volume einer Zeitschrift: | 51 |
| (Heft-)Nummer: | 15 |
| DOI: | 10.1016/S1359-6454(03)00293-3 |
| Kurzbeschreibung (Abstract): | A loading dilatometer assisted by two high-resolution lasers was applied for the accurate measurement of radial and axial strains during uniaxial load assisted sintering. An improved hot forging technique was employed for the first time for the experimental determination of sintering stress and sintering viscosity by hot forging samples under various loads which were pre-sintered to different densities. The technique of discontinuous hot forging was discussed in detail and the effect of the developing anisotropy and different grain growth were analysed. The sintering stress and uniaxial viscosity were both obtained as functions of density ranging from 65 to 96% and compared with theoretical models. Alumina powder with a grain size of about 150 nm was used in this study. |
| Freie Schlagworte: | Sintering; Forging; Diffusion; Ceramics; Microstructure |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften |
| Hinterlegungsdatum: | 18 Mai 2011 15:20 |
| Letzte Änderung: | 05 Mär 2013 09:47 |
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