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Proceedings Paper

Dynamic characteristics of layered metal-fiber composites including transverse shear deformation
Author(s): Ramesh Kolar
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Paper Abstract

Layered composites have attracted attention for their high specific stiffness, high specific strength, and application specific tailoring of their properties. It is also recognized that layered composites are prone to delamination failure in addition to other failure modes. Consideration of transverse shear on the deformation behavior of the composites is an important aspect in the study of delamination mode failure of such plates. In this paper, we consider the effects of including the transverse shear deformation on the vibration characteristics of layered composites. The formulation is based on the Raleigh-Ritz method using the beam characteristic functions. In addition to including the transverse shear, the formulation is developed for metal-fiber-layered composite plates. This type of laminate construction offers the advantage of both the metallic and fiber properties. Various commonly occuring boundary conditions are discussed. Results are provided showing the effects of the shear deformation on the metal-fiber laminates. The effects of laminate thickness, fiber orientation, and the plate aspect ratios on the free vibration characteristics of the metlal-fiber laminates are given to demonstrate the methodology described.

Paper Details

Date Published: 13 November 2002
PDF: 9 pages
Proc. SPIE 4934, Smart Materials II, (13 November 2002); doi: 10.1117/12.469170
Show Author Affiliations
Ramesh Kolar, Naval Postgraduate School (United States)


Published in SPIE Proceedings Vol. 4934:
Smart Materials II
Alan R. Wilson, Editor(s)

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