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1 Central European Journal of Energetic Materials

1 2018

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Application of the Energetic Complex [Cu(TNBI)(NH3)2(H2O)] in Heterogeneous Solid Rocket Propellants

Bogusz R., Rećko J., Magnuszewska P., Lewczuk R.

Central European Journal of Energetic Materials

2018

Vol. 15, no. 2

391--402

This paper presents results from the application of [Cu(TNBI)(NH3)2(H2O)] (CuTNO) to heterogeneous solid rocket propellants based on HTPB/AP, replacing RDX. A series of different compositions of solid heterogeneous rocket propellants based on HTPB and ammonium perchlorate, containing CuTNO or RDX, were prepared and investigated. The ballistic parameters of the examined propellants were determined by combustion in a laboratory rocket motor (LRM). The ballistic properties were evaluated in the pressure range 4-10 MPa and it was found that the linear burning rate at 10 MPa increased by more than 20% for the CuTNO containing propellant, compared to the RDX-based composition. By linear regression of the r = f(p) curves obtained, the burning laws for the investigated propellants were determined. It was found that the CuTNO additive increases the pressure coefficient by over 46%, compared to unmodified propellant. The determination of the sensitivities to friction and impact, the calorific value, hardness and decomposition temperature of the propellants obtained were also investigated.