Influence of Ti3SiC2 Fiber Coating on Interface and Matrix Cracking in an SiC Fiber-Reinforced Polymer-Derived Ceramic

Abstract

The effect of Ti₃SiC₂ coatings on the interfacial properties of SiC-fiber reinforced FeSiCr/SiC-filled polymethylsilsesquioxane-derived ceramics was investigated. An electrophoretically deposited Ti₃SiC₂ 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 Ti₃SiC₂ layer. Compared to uncoated fibers, the Ti₃SiC₂ interlayer gives rise for a pronounced enhance of interface shear strength, coefficient of friction, and sliding strength but a reduced fracture energy. With increasing Ti₃SiC₂ coating thickness, thermal mismatch-induced residual compressive stresses at the fiber/matrix interface tend to decrease significantly.

Original language	English
Pages (from-to)	1142-1148
Number of pages	7
Journal	Advanced Engineering Materials
Volume	17
Issue number	8
DOIs	https://doi.org/10.1002/adem.201500192
Publication status	Published - 1 Aug 2015

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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title = "Influence of Ti3SiC2 Fiber Coating on Interface and Matrix Cracking in an SiC Fiber-Reinforced Polymer-Derived Ceramic",

abstract = "The effect of Ti3SiC2 coatings on the interfacial properties of SiC-fiber reinforced FeSiCr/SiC-filled polymethylsilsesquioxane-derived ceramics was investigated. An electrophoretically deposited Ti3SiC2 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 Ti3SiC2 layer. Compared to uncoated fibers, the Ti3SiC2 interlayer gives rise for a pronounced enhance of interface shear strength, coefficient of friction, and sliding strength but a reduced fracture energy. With increasing Ti3SiC2 coating thickness, thermal mismatch-induced residual compressive stresses at the fiber/matrix interface tend to decrease significantly.",

author = "Ina Filbert-Demut and Guoping Bei and Till H{\"o}schen and Johann Riesch and Nahum Travitzky and Peter Greil",

year = "2015",

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language = "English",

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journal = "Advanced Engineering Materials",

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TY - JOUR

T1 - Influence of Ti3SiC2 Fiber Coating on Interface and Matrix Cracking in an SiC Fiber-Reinforced Polymer-Derived Ceramic

AU - Filbert-Demut, Ina

AU - Bei, Guoping

AU - Höschen, Till

AU - Riesch, Johann

AU - Travitzky, Nahum

AU - Greil, Peter

PY - 2015/8/1

Y1 - 2015/8/1

N2 - The effect of Ti3SiC2 coatings on the interfacial properties of SiC-fiber reinforced FeSiCr/SiC-filled polymethylsilsesquioxane-derived ceramics was investigated. An electrophoretically deposited Ti3SiC2 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 Ti3SiC2 layer. Compared to uncoated fibers, the Ti3SiC2 interlayer gives rise for a pronounced enhance of interface shear strength, coefficient of friction, and sliding strength but a reduced fracture energy. With increasing Ti3SiC2 coating thickness, thermal mismatch-induced residual compressive stresses at the fiber/matrix interface tend to decrease significantly.

AB - The effect of Ti3SiC2 coatings on the interfacial properties of SiC-fiber reinforced FeSiCr/SiC-filled polymethylsilsesquioxane-derived ceramics was investigated. An electrophoretically deposited Ti3SiC2 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 Ti3SiC2 layer. Compared to uncoated fibers, the Ti3SiC2 interlayer gives rise for a pronounced enhance of interface shear strength, coefficient of friction, and sliding strength but a reduced fracture energy. With increasing Ti3SiC2 coating thickness, thermal mismatch-induced residual compressive stresses at the fiber/matrix interface tend to decrease significantly.

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Influence of Ti₃SiC₂ Fiber Coating on Interface and Matrix Cracking in an SiC Fiber-Reinforced Polymer-Derived Ceramic

Abstract

ASJC Scopus subject areas

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