In-Plane Shear Strength Determination of Composite Materials in Laminated and Sandwich Panels

[+] Author and Article Information
J. R. Vinson

Department of Mechanical Engineering, University of Delaware, Newark DE 19716-3140

Appl. Mech. Rev 50(11S), S237-S240 (Nov 01, 1997) doi:10.1115/1.3101842 History: Online April 20, 2009


A simple test procedure is available to determine the in-plane shear strength of laminated composite materials, as well as other orthotropic and isotropic advanced material systems. The test apparatus is simple, inexpensive, and the flat rectangular plate test specimen is not restricted in size or aspect ratio. In addition to its use for laminated composite materials, the test can also be used for foam core sandwich panels. In sandwich panels, the tests can be used to determine the in-plane shear strength of the faces, the core and/or the adhesive bond between face and core. The shear stresses developed vary linearly in the thickness direction and are constant over the entire planform area.

Copyright © 1997 by American Society of Mechanical Engineers
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