Fiber Dominant Tensile and Creep Strength at 600°C of SCS-6 Fiber Reinforced Titanium Alloys

Armanios, Erian A.; Bucinell, RB; Wilson, DW; Peters, P.W.M.; Hemptenmacher, J.; Weber, K.; Assler, H.

doi:10.1520/ctr10931j

J. Compos. Technol. Res.

2002

DOI: 10.1520/ctr10931j

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Fiber Dominant Tensile and Creep Strength at 600°C of SCS-6 Fiber Reinforced Titanium Alloys

Erian A. Armanios¹,

RB Bucinell²,

DW Wilson³

et al.

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Cited by 5 publications

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Influence of the Matrix Microstructure on the Creep Behavior of SiC‐Fiber Reinforced Ti‐Alloys

Hemptenmacher¹,

Peters

Weber

2004

Adv Eng Mater

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Fiber reinforced titanium alloys have been developed e.g. for high temperature applications in aero engines. These materials have a high stiffness and a high temperature strength at low specific weight. One important mechanical property at high temperatures is the creep behaviour of the composites in the transverse and in the fiber direction. The creep properties in fiber direction were investigated at 600 C for the composite with the high temperature Ti-alloy Timetal 834 and the standard Ti-alloy Ti-6-4 as matrix. On the basis of the creep behaviour of the unreinforced Ti-alloy the creep behaviour of the reinforced Ti-alloy was predicted. It is known from the literature, that the microstructure, especially the grain size, has a great influence on the creep rate. [1] In this paper this was verified on the basis of the unreinforced Ti-6-2-4-2 alloy. Due to the production process of the composites the reinforced Ti-alloy has a much finer grain than the Ti-alloy in the as delivered condition. Therefore the microstructural parameters (mainly grain size) have to be taken into account describing the creep behaviour of the composite. The creep behaviour of monolithic metals can be described on the basis of the primary, secondary and tertiary creep stage whereas the creep behaviour of fiber reinforced Ti-alloys is much more complex.

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Influence of the Matrix Microstructure on the Creep Behavior of SiC‐Fiber Reinforced Ti‐Alloys

Hemptenmacher¹,

Peters

Weber

2004

Adv Eng Mater

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Monitoring Damage Evolution in a Titanium Matrix Composite Shaft Under Torsion Loading Using Acoustic Emission

Kong

Wang

Zhang

et al. 2019

Acta Metall. Sin. (Engl. Lett.)

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The damage behaviors of a titanium matrix composite shaft under torsion loading were monitored using the acoustic emission technique. The composite shaft with SiC fibers at ± 45° orientations was prepared by the solid-state fabrication process. Both the torsional rigidity and torsional strength of the TMC shaft were improved by SiC fibers. The acoustic emission responses during the loading-unloading-reloading, under quasi-static and cyclic torsion tests were investigated. Multiple acoustic emission signals were grouped as mechanical noise, matrix deformation, interface debonding and fiber fracture using amplitude, waveform shape and frequency centroid parameters. A substantial reduction of signals generated by matrix deformation was found in the reloading test. During the quasi-static torsion test, interface debonding and progressive breaks of SiC fibers occurred. According to different acoustic emission behaviors, the failure process in the torsion fatigue test can be divided into three stages: the initial stage, the fiber fracture stage and the fast fracture stage.

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Modelling the high-temperature longitudinal fatigue behaviour of metal matrix composites (SiC/Ti-6242): Nonlinear time-dependent matrix behaviour

Figiel

Günther

2008

International Journal of Fatigue

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Fiber Dominant Tensile and Creep Strength at 600°C of SCS-6 Fiber Reinforced Titanium Alloys

Cited by 5 publications

References 6 publications

Influence of the Matrix Microstructure on the Creep Behavior of SiC‐Fiber Reinforced Ti‐Alloys

Influence of the Matrix Microstructure on the Creep Behavior of SiC‐Fiber Reinforced Ti‐Alloys

Monitoring Damage Evolution in a Titanium Matrix Composite Shaft Under Torsion Loading Using Acoustic Emission

Modelling the high-temperature longitudinal fatigue behaviour of metal matrix composites (SiC/Ti-6242): Nonlinear time-dependent matrix behaviour

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