Analyses were performed for static and dynamic buckling of a continuous fiber embedded in a matrix in order to determine effects of interfacial debonding on the critical buckling load and the domain of instability. A beam on elastic foundation model was used for the study. The study showed that a local interfacial debonding between a fiber and a surrounding matrix resulted in an increase of the wavelength of the buckling mode. An increase of the wavelength yielded a decrease of the static buckling load and lowered the dynamic instability domain. In general, the effect of a partial or complete interfacial debonding on the domain of dynamic instability was more significant than its effect on the static buckling load. For dynamic buckling of a fiber, a local debonding of size 10 to 20 percent of the fiber length had the most important influence on the domains of dynamic instability regardless of the location of debonding and the boundary conditions of the fiber. For static buckling, the location of a local debonding was critical to a free, simply supported fiber, but not to a fiber with both ends simply supported.
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August 1993
Research Papers
Static and Dynamic Buckling of a Fiber Embedded in a Matrix With Interface Debonding
Y. W. Kwon,
Y. W. Kwon
Department of Mechanical Engineering, Naval Postgraduate School, Monterey, CA 93943
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M. Serttunc
M. Serttunc
Department of Mechanical Engineering, Naval Postgraduate School, Monterey, CA 93943
Search for other works by this author on:
Y. W. Kwon
Department of Mechanical Engineering, Naval Postgraduate School, Monterey, CA 93943
M. Serttunc
Department of Mechanical Engineering, Naval Postgraduate School, Monterey, CA 93943
J. Pressure Vessel Technol. Aug 1993, 115(3): 297-301 (5 pages)
Published Online: August 1, 1993
Article history
Received:
July 6, 1992
Revised:
May 18, 1993
Online:
June 17, 2008
Citation
Kwon, Y. W., and Serttunc, M. (August 1, 1993). "Static and Dynamic Buckling of a Fiber Embedded in a Matrix With Interface Debonding." ASME. J. Pressure Vessel Technol. August 1993; 115(3): 297–301. https://doi.org/10.1115/1.2929531
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