Effects of Particle Size and Content of Aluminium on Mechanical Properties and Reaction characteristics of Al/THV Reactive Materials

Abstract

The metal/fluoropolymer reactive materials (RMs) have been widely studied in the past years. Almost no reported Al/THV RMs, which was prepared in this work, shows better mechanical properties than well researched Al/PTFE. In addition, the mechanical properties and reaction characteristics of Al/THV composites with two particle sizes and different contents of aluminium particles were tested. The effects of particle size and content of aluminium on Al/THV RMs were analysed. The result shows that Al/THV composite with high contents of 4 μm Al particles shows better mechanical properties and reaction characteristics than the other Al/THV composites. Besides, the low impact-induced reaction percentage of Al/THV (35/65) composite under ~7000 s-1 compression was explained by the low combustion velocity and plasticity.