高聚物理论估算溶塑火药拉伸强度的应用研究

应用高聚物理论,从化学键、分子间力的角度对溶塑类火药的拉伸强度理论估算方法进行了探索研究。以单基药、双基药、太根药为对象,深入研究含有增塑剂火药的拉伸强度的理论计算方法。同时用材料试验机对火药的拉伸强度进行了测试,并与理论值作对比。结果表明,单基药、双基药、太根药的理论拉伸强度分别为3.8×107N.m-2,11.2×106N.m-2,10.1×106N.m-2,其实测值为3.1×107N.m-2,10.6×106N.m-2,8.9×106N.m-2。分析认为,火药的拉伸强度主要由分子间的范德华力提供,运用高聚物理论可以对溶塑火药的拉伸强度进行理论估算。

Applied Study on Estimate-calculating Tensile Intensity of Dissolution-adding-plasticity Propellant by Polymer Theory

Applying polymer theory, exploring study on theoretical estimate calculating tensile intensity of dissolution adding plasticity propellant is put up from the side of chemical bond and intermolecular force. Selecting single base(SB),double base(DB) and TEGDN propellant,theorital calculation method of tensile intensity of dissolution adding plasticity propellant was studied deeply. Tensile intensities of propellant were tested in the meantime,and compared with theoretical estimate calculation. It shows that theorital tensile intensity of SB,DB and TEGDN were calculated to be 3.8×10⁷ N·m^-2,11.2×10⁶ N·m^-2 and 10.1×10⁶ N·m^-2,respectively. Their testing values were 3.1×10⁷ N·m^-2,10.6×10⁶ N·m^-2 and 8.9×10⁶ N·m^-2,respectively. It can be concluded that tensile intensity of propellant is mainly provided by intermolecular Van der Waals force. Tensile intensity of dissolution adding plasticity propellant can be calculated theoretically by polymer theory.