An experimental study on interplanetary collision using hypervelocity impact guns

利用激光冲击实验研究了硅酸盐材料在冲击诱导的极端条件下的状态方程。基于时间分辨发射光谱，我们得出结论，在碰撞驱动过程中，电子通过吸热激波诱导电离和放热电子复合而成为重要的能量储存库。以前有关硅酸盐蒸发的一些研究应该重新考虑，因为广泛使用的状态方程没有考虑这种电子行为。

Laser shock experiments were carried out to investigate the equations of state(EOS) for silicate materials under impact-induced extreme conditions. Based on time-resolved emission spectra, we conclude that electrons behave as an important energy reservoir during impact-driven processes via endothermic shock-induced ionization and exothermic electron recombination. A number of previous studies related to silicate vaporization should be re-visited because the widely used EOS's do not consider such electron behaviors.