Investigation the Effect of Micro and Nano Catalysts on Burning Rate of Nitramine Composite Solid Propellant

Adding Nitramine compounds such as RDX and HMX to the composite solid propellants, despite their many advantages, causes low burning rate and high pressure index (n). Therefore, determined of the catalyst burning rate to improve the burning rate of composite solid propellant containing Nitramine is necessary. In this paper, effect of Micro and Nano-catalysts on the composite solid propellant based on HTPB / AP / Al / RDX investigated and the catalysts of burning rate for this type of propellant was determined. According to the study, Nano-catalysts than to Micro-catalysts has a more effect on increase the burning rate of this type of propellant and also with smaller percentage of Nano-catalyst can be obtained higher burning rate.