摘要:用圆筒试验获得含铝和不含铝两种配方的DNTF基熔铸炸药的筒壁膨胀速度、比动能和格尼系数的变化规律,研究了其金属加速作功能力,并与Octol炸药进行了对比。结果表明,DNTF可显著提高混合炸药的金属加速作功能力;加入少量铝粉虽然会降低初始筒壁速度,但在圆筒膨胀后期,筒壁速度可超过不含铝配方,且提高了DNTF基熔铸炸药的持续金属加速作功能力;与Octol炸药相比,含铝DNTF基熔铸炸药的格尼系数提高了6.2%。
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