Effect of carbon black on combustion performance of CMDB propellant
The effects of the type,content and particle size of carbon black on the combustion performance of composite modified double-base(CMDB)propellant were analyzed by the combustion-target line method.The results showed that when the pressure was 1～8 MPa,the addition of carbon black could improve the burning rate of propellant,and the Y1 carbon black could effectively reduce the pressure exponent of the propellant formulation;when the content of Y1 carbon black in the propellant formulation was low,the propellant samples exhibited a platform combustion characteristic under the pressure of 3～8 MPa,and the Y1 carbon black with small particle size was beneficial for the reduction of the pressure exponent of the propellant formulation.
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