On a simple impact test method for accurate measurement of material properties |
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Authors: | W.D. Zhu B.H. Emory |
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Affiliation: | Department of Mechanical Engineering, University of Maryland Baltimore County, Baltimore, MD 21250, USA |
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Abstract: | A simple impact test method is presented to accurately measure the elastic and shear moduli and Poisson's ratio of a uniform Aluminum 6061-T651 cylindrical specimen with free boundary conditions. The elastic modulus is determined from the longitudinal vibration of the specimen and the shear modulus is determined from its torsional vibration. A new technique is developed to mount an accelerometer on the specimen to measure its torsional vibration. The Poisson's ratio determined for the specimen matches exactly with its known value. |
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