利用低密度泡沫和激光驱动冲击波对聚酰亚胺在高达5.8太帕压力下进行状态方程测量。
Equation-of-state measurements of polyimide at pressures up to 5.8 TPa using low-density foam with laser-driven shock waves.
作者信息
Takamatsu K, Ozaki N, Tanaka K A, Ono T, Nagai K, Nakai M, Watari T, Sunahara A, Nakano M, Kataoka T, Takenaka H, Yoshida M, Kondo K, Yamanaka T
机构信息
Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan.
出版信息
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 May;67(5 Pt 2):056406. doi: 10.1103/PhysRevE.67.056406. Epub 2003 May 23.
The laser-driven equation-of-state (EOS) experiments for polyimide are presented. The experiments were performed with emission measurements from the rear sides of shocked targets at up to a laser intensity of 10(14) W/cm(2) or higher with 351 nm wavelength and 2.5 ns duration. Polyimide Hugoniot data were obtained up to 0.6 TPa with good accuracy. Applying low-density foam ablator to the EOS unknown material, we also obtained the data at a highest pressure of 5.8 TPa in the nonmetal materials. Those data were in agreement with the theoretical curves.
介绍了聚酰亚胺的激光驱动状态方程（EOS）实验。这些实验是通过对受激靶材背面进行发射测量来进行的，激光波长为351nm，持续时间为2.5ns，激光强度高达10(14)W/cm(2)或更高。以良好的精度获得了高达0.6TPa的聚酰亚胺雨贡纽数据。将低密度泡沫烧蚀剂应用于EOS未知材料，我们还在非金属材料中获得了高达5.8TPa的最高压力数据。这些数据与理论曲线相符。
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