Science and Technology of Energetic Materials

Vol.77, No.6 (2016)

Research paper

The impact absorption effect of the base in drop hammer test assemblies
Mitsuo Izumo, Mieko Kumasaki, and Mitsuru Arai


A drop hammer test of cyclotrimethylene-trinitramine (RDX) was conducted with assemblies that were designed to have an absorber placed under the anvil cylinder. Video images showed that the sample particles ignited after crushing. A polypropylene (PP) plate absorbed the impact from the drop hammer and allowed the median drop-height H50% for the RDX sample to increase by 2.8 times compared to the result without a plate. This result demonstrates the effect of the condition of the installation and the structure of the base. It also implies the possibility of further development in impact sensitivity testing, providing a better resolution for high-sensitivity explosives.

> Full text (Open access*)


RDX, impact sensitivity, drop hammer, base, absorber

© Copyright 1999-2017 Japan Explosives Society. All right reserved.