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- Title
Influence of the Specimen Manufacturing Process on the Strength of Carbon-Bonded Alumina (Al<sub>2</sub>O<sub>3</sub>-C).
- Authors
Zielke, Henry; Schmidt, Anne; Abendroth, Martin; Kuna, Meinhard; Aneziris, Christos G.
- Abstract
Open cell ceramic foam filters are used for metal melt filtration to reduce non-metallic inclusions. A new generation of multifunctional filters made of carbon-bonded alumina is investigated within the Collaborative Research Center CRC 920. These filters have to withstand high thermal and mechanical loads. Motivated by the problem of the filters integrity, a mechanical characterization of the bulk material is necessary. In the Ball On Three Balls Test (B3B) miniaturized disk-shaped specimens are loaded with a spherically tipped punch until failure occurs. With the help of the measured load displacement curve the fracture stress is calculated and analyzed by means of W EIBULL distribution.
- Subjects
ALUMINUM oxide; CARBON compounds; CRYSTAL filters
- Publication
Advanced Engineering Materials, 2017, Vol 19, Issue 9, pn/a
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.201700083