| 高温高压下碳的状态方程及相变理论研究 |
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| 引用本文： | 杨向东,张宏.高温高压下碳的状态方程及相变理论研究[J].高压物理学报,1997,11(4):250-253. |
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| 作者姓名： | 杨向东 张宏 |
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| 作者单位： | 中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室，四川联合大学高温高压与原子分子科学研究所 |
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| 基金项目： | 中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室基金 |
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| 摘 要： | 研究了高温高压下三相碳（石墨、金刚石、液相碳）的状态方程，包括高压下石墨到金刚石的固-固相变以及高温下石墨和金刚石的熔解曲线。计算所得到的金刚石熔解曲线具有正的斜率，石墨-金刚石-液相三相点为4 400 K，14 GPa左右。
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| 关 键 词： | 状态方程 相变 高温 高压 |
| 收稿时间： | 1997-03-24; |
THEORETICAL STUDIES OF EOS AND PHASE TRANSITIONS OF CARBON UNDER HIGH PRESSURE AND HIGH TEMPERATURE |
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| Yang Xiangdong a,b,Zhang Hong a,b,Hu Dong a,Jing Fuqian a.THEORETICAL STUDIES OF EOS AND PHASE TRANSITIONS OF CARBON UNDER HIGH PRESSURE AND HIGH TEMPERATURE[J].Chinese Journal of High Pressure Physics,1997,11(4):250-253. |
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| Authors: | Yang Xiangdong a b Zhang Hong a b Hu Dong a Jing Fuqian a |
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| Institution: | 1. Laboratory for Shock Wave and Detonation Physics Research, Southwest Institute of Fluid Physics, CAEP, Chengdu 610003, China;2. Institute of Atomic and Molecular Science at High Temperature and High Pressure, Sichuan Union Universtiy, Chengdu 610065, China |
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| Abstract: | Equation of state(EOS) of three phase carbon(graphite,diamond,and liquid),including solid solid phase transition from graphite to diamond under high pressure and melting line of graphite and diamond under high temperature has been studied.The melting curve of diamond we obtained has a positive slope,and the graphite diamond liquid triple point is about 4400K,14GPa. |
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| Keywords: | equation of state phase transitions high temperature high pressure |
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