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Interfaces and fatigue Damage in a Ti-15–3/SCS-6 [0/90]2s Composite

Published online by Cambridge University Press:  10 February 2011

W. O. Soboyejo ,
B. Rabeeh ,
Y. Li  and
S. Rokhlin
W. O. Soboyejo
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH 43210–1179
B. Rabeeh
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH 43210–1179
Y. Li
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH 43210–1179
S. Rokhlin
Affiliation:
Department of Industrial, Welding and Systems Engineering, The Ohio State University, 190W. 19th Ave. Columbus OH 43210
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Abstract

The key role of interfaces in the initiation and propagation of fatigue damage is elucidated for a model eight ply [0/90]2s Ti-15V-3Cr-3Al-3Sn (Ti-15–3) composite reinforced with SiC (SCS-6) fibers. Interfacial strengths obtained from fiber push-out tests are used in the quantification of shielding due to crack bridging. Composite fatigue tests are predicted using an idealized fracture mechanics model. The possible effects of interfacial strength variation on the predicted fatigue lives are also elucidated.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 458: Symposium W – Interfacial Engineering for Optimized Properties , 1996 , 261
Copyright
Copyright © Materials Research Society 1997

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References

REFERENCE

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