Mechanical behavior and fatigue damage of a titanium matrix composite reinforced with continuous SiC fibers

A titanium (Ti-6242) matrix composite reinforced with continuous SiC fibers was studied. The mechanical behavior of the matrix and the composite was characterized by tensile, creep and isothermal fatigue tests at room temperature and up to 550 °C. The thermo-mechanical fatigue behavior under in-phas...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2007-04, Vol.452, p.536-544
Hauptverfasser:	Bettge, D., Günther, B., Wedell, W., Portella, P.D., Hemptenmacher, J., Peters, P.W.M., Skrotzki, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Creep Creep strength Damage analysis Exact sciences and technology Fatigue Fibre reinforced metals Fractures Isothermal fatigue Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metal matrix composites Metals. Metallurgy Powder metallurgy. Composite materials Production techniques Tensile strength Thermo-mechanical fatigue
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Beschreibung
Zusammenfassung:	A titanium (Ti-6242) matrix composite reinforced with continuous SiC fibers was studied. The mechanical behavior of the matrix and the composite was characterized by tensile, creep and isothermal fatigue tests at room temperature and up to 550 °C. The thermo-mechanical fatigue behavior under in-phase and out-of-phase conditions was investigated for the composite between 100 and 550 °C. Fracture surfaces were characterized by confocal light microscopy and by scanning electron microscopy to identify the damage mechanisms.
ISSN:	0921-5093 1873-4936
DOI:	10.1016/j.msea.2006.10.107