Moon, Robert J. ; Bowman, Keith J. ; Trumble, Kevin P. ; Rödel, Jürgen (2001)
Fracture Resistance Curve Behavior of Multilayered Alumina-Zirconia Composites Produced by Centrifugation.
In: Acta Materialia, 49 (6)
doi: 10.1016/S1359-6454(01)00006-4
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
The single-edge-v-notched-breain (SEVNB) testing method was used to measure the crack growth resistance (R-curve) behavior of multilayered alumina-zirconia composites. Crack initiation and extension from the V-notch tip were observed via in situ optical microscopy. The resulting R-curves were compared with an R-curve measured from a monolithic composite having a similar composition and a homogeneous microstructure, where the influence of layer-layer interfaces, gradient microstructures, and the direction of crack propagation on the resulting R-curves were observed. Additionally, the stress intensity factor for crack initiation from the V-notch tip was similar to0.2 MPa(.)m(1/2) higher than the stress intensity factor to further extend this crack.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2001 |
| Autor(en): | Moon, Robert J. ; Bowman, Keith J. ; Trumble, Kevin P. ; Rödel, Jürgen |
| Art des Eintrags: | Bibliographie |
| Titel: | Fracture Resistance Curve Behavior of Multilayered Alumina-Zirconia Composites Produced by Centrifugation |
| Sprache: | Englisch |
| Publikationsjahr: | April 2001 |
| Verlag: | PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Acta Materialia |
| Jahrgang/Volume einer Zeitschrift: | 49 |
| (Heft-)Nummer: | 6 |
| DOI: | 10.1016/S1359-6454(01)00006-4 |
| Kurzbeschreibung (Abstract): | The single-edge-v-notched-breain (SEVNB) testing method was used to measure the crack growth resistance (R-curve) behavior of multilayered alumina-zirconia composites. Crack initiation and extension from the V-notch tip were observed via in situ optical microscopy. The resulting R-curves were compared with an R-curve measured from a monolithic composite having a similar composition and a homogeneous microstructure, where the influence of layer-layer interfaces, gradient microstructures, and the direction of crack propagation on the resulting R-curves were observed. Additionally, the stress intensity factor for crack initiation from the V-notch tip was similar to0.2 MPa(.)m(1/2) higher than the stress intensity factor to further extend this crack. |
| Freie Schlagworte: | ceramic; layered structure; fracture & fracture toughness; FUNCTIONALLY GRADED MATERIALS; NOTCH-ROOT RADIUS; PARTICLE PACKING; R-CURVES; TOUGHNESS; AL2O3; SLURRIES; CERAMICS; CRACKS |
| 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: | 14 Jul 2011 10:51 |
| Letzte Änderung: | 05 Mär 2013 09:50 |
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