The experimental study on the equation of state for polyester

Lin Peng、Wang Changli、Li Yan、Liu Wenxiang、Wang Dengwang

Strategic Study of CAE ›› 2009, Vol. 11 ›› Issue (4) : 63-66.

PDF(760 KB)
PDF(760 KB)
Strategic Study of CAE ›› 2009, Vol. 11 ›› Issue (4) : 63-66.

The experimental study on the equation of state for polyester

  • Lin Peng、Wang Changli、Li Yan、Liu Wenxiang、Wang Dengwang

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Abstract

The shock wave propagation characteristics of the polyester have been measured by recording the shock wave profile produced by the impact of projectiles accelerated in a light gas gun. The impact velocities in the experiments were from 323 m/s to 526 m/s, and the corresponding peaks of impact stresses in the targets were from 0.632 to 2.137 GPa. The Hugoniot relation, expressed as the curve of shock wave velocity versus particle velocity, obtained from the experiments shows linearity in the testing stress range. The polynomial equation of state is obtained by regression of the experimental data and the Grüneisen coefficient is calculated.

Keywords

polyester / equation of state / Hugoniot / the shock wave

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Lin Peng,Wang Changli,Li Yan,Liu Wenxiang,Wang Dengwang. The experimental study on the equation of state for polyester. Strategic Study of CAE, 2009, 11(4): 63‒66
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