Mechanical Properties and Microstructures of SiC Fiber-reinforced Metal Matrix Composites Made Using Ultrasonic Consolidation

Ultrasonic consolidation was used for making SiC fiber-reinforced Al 3003 matrix composites. Peel tests, tensile tests, and bend tests were carried out on the composite specimens as well as on ultrasonically consolidated Al 3003 specimens containing no SiC fibers. The objective of this study was to...

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Bibliographic Details
Published in:Journal of composite materials 2010-12, Vol.44 (26), p.3179-3194
Main Authors: Yang, Y., Stucker, B.E., Janaki Ram, G.D.
Format: Article
Language:English
Subjects:
Aluminum
Applied sciences
Bend tests
Consolidation
Exact sciences and technology
Fiber composites
Fibers
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Joining, thermal cutting: metallurgical aspects
Metal matrix composites
Metals. Metallurgy
Microstructure
Physics
Silicon carbide
Solid mechanics
Structural and continuum mechanics
Ultrasonic testing
Welding
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Summary:Ultrasonic consolidation was used for making SiC fiber-reinforced Al 3003 matrix composites. Peel tests, tensile tests, and bend tests were carried out on the composite specimens as well as on ultrasonically consolidated Al 3003 specimens containing no SiC fibers. The objective of this study was to examine whether the ultrasonically embedded SiC fibers serve as effective reinforcements or not. Incorporation of SiC fibers resulted in a considerable improvement in peel strength and tensile strength of ultrasonically consolidated parts. However, bend tests revealed some deterioration in the shear strength of the parts due to the presence of fibers. The results of mechanical testing are discussed based on microstructural and fractographic studies.
ISSN:0021-9983
1530-793X
DOI:10.1177/0021998310371528