【摘要】 实验研究了含能材料激光点火的氧平衡问题。对Zr/KClO4 等的临界激光点火能量的测定实验表明,锆与高氯酸钾的质量比对Zr/KClO4 的临界激光点火能量阈值有明显影响,在其他条件、因素相同的情况下,当偏富氧配比时,有利于激光点火,即点火的阈值能量低,或者说含能材料的激光感度较高。更多还原

【Abstract】 Investigation on oxygen-equilibrium of laser ignition of energetic materials was carried out through experiments.The threshold energy of laser ignition of several systems,such as Zr/KClO 4,Ti/KClO 4,and Mg/KClO 4 was measured with different system composition.The findings showed that the mass ratio of initial mixture powders had significant effect on the ignition threshold energy.The threshold energy presents a minimum with increasing mass ratio,which corresponds to oxygen-rich system composition.That is,the ignition requires lower threshold,or energetic materials have relatively higher laser sensitivity.更多还原