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1 2019

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Studies on the Ballistic Parameters of a Deterred Triple Base Propellant Used in Large Caliber Ammunition

Dahiwale Sunil M., Bhongale Chetan J., Roy Shubhankar, Navle Pradeep B., Asthana Shrinandan N.

Central European Journal of Energetic Materials

2019

Vol. 16, no. 3

449--467

In this work, the energetic plasticizer N-n-butyl-N-(2-nitroxyethyl)nitramine (Bu-NENA) was used as a deterrent coating for a triple base propellant (TBP) that finds application in large caliber guns. Closed vessel (CV) evaluation was performed to study the ballistic performance of the deterred propellant. A TBP containing nitrocellulose (NC), nitroglycerine (NG) and nitroguanidine (NQ) was coated with an energetic plasticizer using a solution of Bu-NENA. The Bu-NENA coated propellant exhibited inhibition to burning resulting in a reduction in the values of the ballistic parameters viz. (dP/dt)max, burning rate coefficient (β) and relative vivacity (RV), while the pressure index (α) and rise time were increased. The trends obtained during this work display the potential of Bu-NENA as deterrent.