CAJ | 학술논문

设计了内外层分别由含铝质量分数为5％和20％的 DNTF 基炸药组成的复合装药。采用直径50 mm 圆筒试验测量了其爆速及圆筒壁的膨胀位移，研究了不同复合装药结构的能量释放特性，并与单一配方装药进行了对比。结果表明，内层为高爆速炸药时，爆速约为两种单一装药的平均值，后期驱动能力没有显著增强，格尼系数仅为2．86 mm／μs；外层为高爆速炸药时，爆速略低于高爆速单一装药，爆轰波形具有明显的内聚特征，提高了内层低爆速炸药的能量释放速率，驱动能力持续增强，格尼系数为2．93 mm／μs。
설계료내외층분별유함려질량분수위5％화20％적 DNTF 기작약조성적복합장약。채용직경50 mm 원통시험측량료기폭속급원통벽적팽창위이，연구료불동복합장약결구적능량석방특성，병여단일배방장약진행료대비。결과표명，내층위고폭속작약시，폭속약위량충단일장약적평균치，후기구동능력몰유현저증강，격니계수부위2．86 mm／μs；외층위고폭속작약시，폭속략저우고폭속단일장약，폭굉파형구유명현적내취특정，제고료내층저폭속작약적능량석방속솔，구동능력지속증강，격니계수위2．93 mm／μs。
Two kinds of typical inner/outer layer compound charge composed of two types of DNTF-based explo-sives with aluminum mass fraction of 5% and 20% were chosen.Their detonation velocity and expansion displace-ment of the cylinder wall were measured by a 50mm cylinder test.The energy release characteristics of different compound charge structures were studied and compared with those of single formula charge.Results show that when inner layer compound charge is high detonation velocity explosive,the detonation velocity is about the average of two kinds of single charge,and the driving ability in the late is not enhanced significantly and its Gurney coeffi-cient is only 2.86 mm/μs.When outer layer compound charge is high detonation velocity explosive,the detonation velocity is slightly lower than that of single charge with high detonation velocity,and the detonation wave has obvi-ous cohesion characteristics,which improves the energy release rate of the inner layer low detonation velocity explo-sive and continuously enhances the driving ability,its Gurney coefficient is 2.93 mm/μs.