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  4. Characterization and modeling of tensile properties of continuous fiber reinforced C/C-SiC composite at high temperatures
 
Zitierlink DOI
10.26092/elib/2616
Verlagslink DOI
10.1016/j.jeurceramsoc.2020.09.043

Characterization and modeling of tensile properties of continuous fiber reinforced C/C-SiC composite at high temperatures

Veröffentlichungsdatum
2021-02-15
Autoren
Shi, Yuan  
Kessel, Fiona  
Friess, Martin  
Jain, Neraj  
Tushtev, Kamen  
Zusammenfassung
The material behavior of Polymer Infiltration and Pyrolysis based SiC/SiCN composites is studied and the characteristic thermal and mechanical properties in on- (0/90 ◦) and off-axis (±45 ◦) direction are summarized. The tensile properties are determined at room temperature and 1300 ◦C. Based on the ratio of Young’s modulus and strength between on- and off-axis loading, a new approach for the classification of Weak Matrix Composites (WMC) and Weak Interface Composites (WIC) is proposed, which seems to be reasonable for various CMCs. Even without fibre coating mechanical behavior of SiC/SiCN is similar to that of WIC. In order to explain this, a microstructure model is developed and confirmed by analysis of fracture surface. The effect of temperature on
the tensile properties is investigated through analysis of residual thermal stresses. Even though at 1300 ◦C the strength is slightly lower, the fracture strain increased significantly from RT to 1300 ◦C.
Schlagwörter
Ceramic-matrix composites (CMCs)

; 

SiC/SiCN

; 

Mechanical behavior

; 

Weak Matrix Composites (WMC) and Weak Interface Composites (WIC)

; 

High-temperature properties
Verlag
Elsevier {BV}
Institution
Universität Bremen  
Fachbereich
Fachbereich 04: Produktionstechnik, Maschinenbau & Verfahrenstechnik (FB 04)  
Institute
Fachgebiet 17: Keramische Werkstoffe und Bauteile  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
Journal of the European Ceramic Society  
Band
41
Heft
5
Startseite
3061
Endseite
3071
Seitenzahl
11
Zweitveröffentlichung
Ja
Dokumentversion
Postprint
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
Sprache
Englisch
Dateien
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Vorschaubild
Name

SHI - Characterization and modeling of tensile properties.pdf

Size

2.31 MB

Format

Adobe PDF

Checksum

(MD5):dceffc4172ff242e74557c5cf05d15bb

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