Influence of Ti 3 SiC 2  Fiber Coating on Interface and Matrix Cracking in an SiC Fiber‐Reinforced Polymer‐Derived Ceramic | Zendy

FilbertDemut Ina | Zendy; Bei Guoping | Zendy; Höschen Till | Zendy; Riesch Johann | Zendy; Travitzky Nahum | Zendy; Greil Peter | Zendy

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Influence of Ti 3 SiC 2 Fiber Coating on Interface and Matrix Cracking in an SiC Fiber‐Reinforced Polymer‐Derived Ceramic

Author(s) -

FilbertDemut Ina,

Bei Guoping,

Höschen Till,

Riesch Johann,

Travitzky Nahum,

Greil Peter

Publication year - 2015

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.201500192

Subject(s) - materials science , composite material , ceramic , coating , fiber , ceramic matrix composite , residual stress , cracking , shear strength (soil) , polymer , environmental science , soil science , soil water

The effect of Ti 3 SiC 2 coatings on the interfacial properties of SiC‐fiber reinforced FeSiCr/SiC‐filled polymethylsilsesquioxane‐derived ceramics was investigated. An electrophoretically deposited Ti 3 SiC 2 coating was prepared on the fiber/matrix interface. Interfacial parameters such as frictional sliding stress and fracture energy were derived from fiber push‐out tests and correlated to the thickness of the Ti 3 SiC 2 layer. Compared to uncoated fibers, the Ti 3 SiC 2 interlayer gives rise for a pronounced enhance of interface shear strength, coefficient of friction, and sliding strength but a reduced fracture energy. With increasing Ti 3 SiC 2 coating thickness, thermal mismatch‐induced residual compressive stresses at the fiber/matrix interface tend to decrease significantly.

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