Force-displacement evaluation of macromolecular materials in flexural impact tests. I. Apparatus and data handling

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Abstract

The determination of the force-displacement curve during an impact experiment can provide more qualitative and quantitative information on the impact behavior of a material than conventional single-value characterization. To this aim, and Izod-type pendulum was instrumented, so that both the impact force and the displacement of the free end of the specimen can be accurately monitored and recorded. The force-displacement curves produced are analyzed by means of a suitable computer program to obtain different significant characteristics.

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