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液氮冲击压缩特性的理论计算

DOI: 10.11858/gywlxb.2002.03.009, PP. 213-216

Keywords: 液氮,冲击压缩,离解相变

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Abstract:

用修正的WCA理论计算了液氮冲击压缩至70GPa的一次冲击Hugoniot数据。计算中引入与体系比容有关的分子离解因子,计算结果表明,在33GPa以上液氮体系发生的相变为分子离解相变,该过程对体系热力学状态有较大影响,分子离解是对冲击能量的吸收过程,导致体系冲击压力和温度增长率下降。

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