Szczegóły publikacji
Opis bibliograficzny
Additive manufacturing of short fiber oxide ceramic matrix composite: process analysis and material properties / Jonas H. M. Stiller, Daisy Nestler, Stefan Uhlmann, Martin Kausch, Gaston Rauchs, Lothar Kroll // International Journal of Applied Ceramic Technology ; ISSN 1546-542X. — 2024 — vol. 21 iss. 6, s. 3863–3875. — Bibliogr. s. 3874–3875, Abstr. — Publikacja dostępna online od: 2024-07-01. — L. Kroll - afiliacje: Chemnitz University of Technology,Chemnitz, Germany ; Opole University of Technology, Opole, Poland
Autorzy (6)
- Stiller Jonas H. M.
- Nestler Daisy
- Uhlmann Stefan
- Kausch Martin
- Rauchs Gaston
- Kroll Lothar
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 163656 |
|---|---|
| Data dodania do BaDAP | 2025-10-24 |
| Tekst źródłowy | URL |
| DOI | 10.1111/ijac.14842 |
| Rok publikacji | 2024 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | International Journal of Applied Ceramic Technology |
Abstract
This work investigates the material extrusion-based additive manufacturing (AM) process chain of a pure alumina-based oxide ceramic matrix composite, starting from material selection, large-scale compounding to pellets, the AM process itself, debinding and sintering as well as microstructural and mechanical characterization. The compounded pellets have a volume share of 50% binder (polyvinyl butyral [PVB], polyethylene glycol [PEG], and stearic acid) and 50% alumina (Al2O3, alumina powder, and Nextel 610 alumina fibers) with an aimed fiber volume share of 40% after sintering. The material is compounded on an industrial scale with approximately 10 kg/h and the material extrusion-based AM process reaches speeds of up to 1000 mm/s. A variation of the feed rate leads to a significant increase in surface roughness and an increase in mass of 30%, in thickness of 12% and in width of 25%. The flexural behavior in the four-point-bending test can be described by a fast first peak and reaching higher flexural strength after the first crack subsequent with averages of 23.8 ± 3.6 MPa below.1% elongation. The fracture surfaces show the expected failure mechanisms like pull-out and crack deflection. The resulting fiber length in the printed samples is 140 µm in average.
