Abstract

The Split Hopkinson bar method (SHB) has been widely used for impact tests. However, the SHB method for low mechanical impedance materials such as rubber and plastics has not been established. The purpose of this study is to perform the impact tests of rubber-chip board made from the chip of recycled tires of vehicles. In order to match the mechanical impedance between employed materials and the Hopkinson bar, PMMA bars were utilized as an input bar, an output bar and a striking bar in the SHB. As a result, the impact compressive strength of the rubber-chip board was remarkably influenced by strain rates. In addition, the static test in low temperature was carried out.

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