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Determination of the complex shear modulus of structural adhesives using a doubly clamped sandwich beam |
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| Authors: | K. N. Morman Jr. C. Li F. Zhang R. A. Dickie |
| Affiliation: | (1) Ford Motor Company, Suite 1100/Village Plaza, 23400 Michigan Avenue, 48124 Dearborn, MI;(2) Ford Motor Company, Scientific Research Laboratories, P.O. 2053, MD-3198, 48121 Dearborn, MI;(3) Automated Analysis Corporation, 48104-6767 Ann Arbor, MI |
| Abstract: | A method is described for calculating the complex shear modulus of structural adhesives from dynamic test data on a doubly clamped sandwich beam in which the adhesive is contained as a thin layer. The accuracy of the technique is validated by finite-element analysis. Values of modulus obtained using the doubly clamped beam technique are found to be in excellent agreement with values obtained from dynamic tests on bulk specimens of an epoxy adhesive. |
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