Time dependent degradation of fiber/matrix interfaces under fatigue of SCS-6/timetal®21S

Blatt, Drew; Jira, Jay R.; Larsen, J. M.

doi:10.1016/0956-716x(95)00310-r

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Scs-6 Coated Fibre System1

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1995

2021

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Cited by 11 publications

(2 citation statements)

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“…Using the same test methods, Preuss et al [17] obtained s fric = 200 MPa for the SCS-6/3M system, while others have recorded 140 MPa [40], 160 MPa [6,41,42], 180 MPa [10,43], for the SCS-6 fibre in Ti-6Al-4V. These correlations are very reasonable when considered in the context of the wide-ranging values produced in recent years in other studies on Ti/SiC composites.…”

Section: Scs-6 Coated Fibre Systemsupporting

confidence: 62%

Interfacial shear strength behaviour of Ti/SiC metal matrix composites at room and elevated temperature

2010

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Section: Scs-6 Coated Fibre Systemsupporting

confidence: 62%

Interfacial shear strength behaviour of Ti/SiC metal matrix composites at room and elevated temperature

2010

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“…Based on the measured debonding load, fibre diameter and specimen thickness, debonding strength s f was evaluated using Equation 1 which is on the basis of shear-lag theory. 14,17,18,6,[40][41][42][43]47 Shear-lag theory was initially proposed to investigate the stress transfer from the fibre to the matrix. It assumes that the fibre bears the load in axial direction during loading.…”

Section: Resultsmentioning

confidence: 99%

Investigation of interface debonding behaviour in a unidirectional SiC fibre reinforced Ti-17 composite by a single fibre push-out technique

Fan

Zhou

2021

Journal of Composite Materials

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The debonding behaviour at the fibre/matrix interface in a unidirectional continuous carbon-coated SiC fibre reinforced Ti-17 composite was investigated. Single fibre push-out testing on thin slice specimen by micro-indentation was employed to evaluate the interface debonding strength. In order to investigate interface debonding modes, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were utilised to observe the microstructure at the fibre/matrix interface region after the fibres were pushed out. It is found that the interface debonding strength is evaluated to be 108.2 MPa in the composite. The interface debonding occurs at the interface between the interface reaction zone (RZ) and the carbon coating on the fibre surface. The carbon coating/SiC fibre interface and the RZ/matrix interface remain intact after the fibre was pushed out.

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Cyclic Fatigue

2006

Metal Matrix Composites

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Time dependent degradation of fiber/matrix interfaces under fatigue of SCS-6/timetal®21S

Cited by 11 publications

References 5 publications

Interfacial shear strength behaviour of Ti/SiC metal matrix composites at room and elevated temperature

Interfacial shear strength behaviour of Ti/SiC metal matrix composites at room and elevated temperature

Investigation of interface debonding behaviour in a unidirectional SiC fibre reinforced Ti-17 composite by a single fibre push-out technique

Cyclic Fatigue

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