High strain-rate testing: Tension and compression |
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| Authors: | U S Lindholm L M Yeakley |
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| Institution: | 1. Department of Mechanical Sciences, Southwest Research Institute, San Antonio, Tex
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| Abstract: | Details of the split Hopkinson pressure-bar method for obtaining complete stress-strain curves at strain rates on the order of 1000 sec?1 in either tension or compression are presented. In compression, a gage for measuring radial strain and, therefore, Poisson's ratio is also described. Some typical results are presented for aluminum, and various factors pertaining to the accuracy of the results are discussed. |
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