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Mechanical Behavior and Failure Mechanisms of SCS-6/Ti3Al Composites

Published online by Cambridge University Press:  21 February 2011

S. M. Jeng
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024–1595
C. J. Yang
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024–1595
J.-M. Yang
Affiliation:
Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024–1595
D. G. Rosenthal
Affiliation:
Materials Technology Laboratory, Textron Lycoming, Stratford, CT 06497
J. Goebel
Affiliation:
Materials Technology Laboratory, Textron Lycoming, Stratford, CT 06497
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Abstract

The mechanical properties and failure mechanisms of the SCS-6/Ti3Al composite have been studied. Both tensile and notched bend tests were conducted at room temperature on the monolithic and fiber-reinforced Ti-25Al-10Nb-3V-1Mo. Optical and scanning electron microscopy were used to study the crack initiation and propagation mechanisms. The role of the fiber, matrix and interfacial properties on the composite behavior was also assessed.

Type
Research Article
Copyright
Copyright © Materials Research Society 1990

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