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碳水混合物冲击压缩特性的理论研究

DOI: 10.11858/gywlxb.2001.03.004, PP. 186-192

Keywords: 碳水混合物,流体微扰变分统计理论,冲击压缩曲线,混合法则

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Abstract:

采用固-液双相混合模型和分子流体的微扰变分统计理论,分别计算了石墨-水体系(ρ0=1.233g/cm3)和金刚石-水体系(ρ0=1.238g/cm3)的冲击压缩特性。结果表明:(1)在不发生石墨→金刚石相变和化学反应的低压区域(p20GPa),这两种混合体系的冲击压缩曲线显著不同,且石墨-水体系更易压缩;(3)在45~60GPa强冲击压力范围内,冲击波诱发的化学反应也不会显著影响这两种体系冲击压缩曲线的走势。上述结论与文献(高压物理学报,1999,13(2):87-92)发表的实验结果相矛盾。进一步分析了引起理论与实验结果不一致的可能原因,并对文献中的实验结果及其理论分析结论提出质疑。

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