Abstract
The effect of the particle size of LLM-105 on the combustion performance, mechanical sensitivity, mechanical properties and shock wave sensitivity of the Modified Double Base Propellant, The results showed that the LLM-105 in the formulation increased, the burning rate of the propellant under different pressures decreased significantly. When the mass fraction of LLM-105 in the formula is increased from 0 to 25%, the burning rate at 10 MPa decreases by 53.3%; The burning rate reduction effect of coarse-grained LLM-105 is better than that of fine-grained; Substituting micron LLM-105 for the nanometer, the propellant burning rate is reduced by 1.5 mm/s at 10 MPa. Nano-level LLM-105 increases the characteristic drop height H50 of the propellant from 21.3 to 36.4 mm, the friction sensitivity is reduced from 17 to 6%, the tensile strength of the propellant at 20 °C increased by 61%, the tensile strength of the propellant at − 40 °C increased by 33%, the tensile strength of the propellant at 50 °C increased by 37%, the shock wave sensitivity of the propellant is reduced by 35.8%.
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Zhang, C., Ma, L., Wang, Cq., Hu, Yw., Chen, Jb., Yang, Lb. (2022). Effect of Nano-LLM-105 on the Performance of Modified Double Base Propellant. In: Gany, A., Fu, X. (eds) 2021 International Conference on Development and Application of Carbon Nanomaterials in Energetic Materials. ICCN 2021. Springer Proceedings in Physics, vol 276. Springer, Singapore. https://doi.org/10.1007/978-981-19-1774-5_32
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DOI: https://doi.org/10.1007/978-981-19-1774-5_32
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