Title data
Flauder, Stefan ; Wich, Felix ; Sha, Jianjun ; Langhof, Nico ; Krenkel, Walter ; Schafföner, Stefan:
Effect of thermo-mechanical and low-cycle preloading on the strength of carbon fiber-reinforced ceramic matrix composites.
In: Journal of the European Ceramic Society.
Vol. 43
(2023)
Issue 13
.
- pp. 5474-5483.
ISSN 0955-2219
DOI: https://doi.org/10.1016/j.jeurceramsoc.2023.05.037
Abstract in another language
Fiber-reinforced ceramic matrix composites (CMCs) exhibit excellent thermo-mechanical properties including outstanding resistance against damage and fatigue. Some CMCs show occasionally even a strength enhancement after fatigue, often interpreted with relieve of internal stresses and interfacial degradation. This study reports the influence of low-cycle thermo-mechanical preloading on the bending and tensile strength of carbon fiber-reinforced silicon carbon (C/C-SiC). For this purpose two C/C-SiC materials with the same fiber architecture but different assumed internal stress states were subjected to single and cyclic mechanical preloads up to 90 % of their ultimate strength level at room temperature and at 350 °C. Statistical evaluations of the experiments show that the ultimate strength values were surprisingly unchanged after preloading. The results are discussed regarding the thermal residual stresses (TRS).
Further data
Item Type: | Article in a journal |
---|---|
Refereed: | Yes |
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 |
Result of work at the UBT: | Yes |
DDC Subjects: | 500 Science > 500 Natural sciences 600 Technology, medicine, applied sciences > 620 Engineering |
Date Deposited: | 21 Jun 2023 07:02 |
Last Modified: | 21 Jun 2023 07:02 |
URI: | https://eref.uni-bayreuth.de/id/eprint/81376 |