at Google ScholarTitle data
Flauder, Stefan ; Langhof, Nico ; Krenkel, Walter ; Schafföner, Stefan:
Size effect of carbon fiber-reinforced silicon carbide composites (C/C-SiC) : Part 1 – bending load and statistical effects.
In: Journal of the European Ceramic Society.
Vol. 41
(2021)
Issue 14
.
- pp. 6805-6814.
ISSN 0955-2219
DOI: https://doi.org/10.1016/j.jeurceramsoc.2021.07.040
Abstract in another language
This study analyzed the influence of the sample volume, number of tested specimen, and testing method on the
flexural strength of fabric-reinforced ceramic matrix composites. For this purpose, seven different batches of C/CSiC
were prepared with four different sample thicknesses to determine the flexural strengths and Weibull moduli
by three- and four-point flexural tests. The result showed that C/C-SiC exhibits a size effect of strength under
bending load because a decrease of measured flexural strength with increased specimen size was observed. This
size effect was discussed regarding the Weibull weakest link approach and the concept of quasi-brittle materials.
The determined Weibull moduli were comparable for the same load condition but dissimilar for the identical
material if the load condition were changed from three- to four-point bending. Hence, the Weibull modulus was
found to be not an inherent material constant for C/C-SiC and the Weibull weakest link approach seems not
appropriate.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Keywords: | Ceramic matrix composites (CMC); Bending test; Weibull statistics; C/C-SiC; Size effect of strength |
| Institutions of the University: | Faculties > Faculty of Engineering Science > Chair Ceramic Materials Faculties > Faculty of Engineering Science > Chair Ceramic Materials > Chair Ceramic Materials - Univ.-Prof. Dr.-Ing. Stefan Schafföner Faculties Faculties > Faculty of Engineering Science |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 500 Natural sciences 600 Technology, medicine, applied sciences > 620 Engineering |
| Date Deposited: | 29 Nov 2021 08:30 |
| Last Modified: | 29 Nov 2021 08:30 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/68017 |