Solubility of carbon in high-pressure and high-temperature water

被引:0
作者
Liu, FS [1 ]
Hong, SM [1 ]
Jing, FQ [1 ]
机构
[1] SW Jiaotong Univ, Lab High Pressure Phys, Chengdu 610031, Peoples R China
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中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The solubility of carbon in water at the pressure of 7.7 GPa and at temperatures of 1000-2900 K is investigated by means of statistical mechanical theory, and it is found that the excess saturation concentration of carbon in hot water is very sensitive to the temperature. The peak of excess saturation concentration is located at 2450 K, according to calculations using the code CHEQ, where the driving force for graphite-to-diamond transformation reaches the maximum. The conclusions are consistent with those from recent diamond synthesis experiments.
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页码:11431 / 11435
页数:5
相关论文
共 22 条
[1]   Formation process of diamond from supercritical H2O-CO2 fluid under high pressure and high temperature conditions [J].
Akaishi, M ;
Kumar, MDS ;
Kanda, H ;
Yamaoka, S .
DIAMOND AND RELATED MATERIALS, 2000, 9 (12) :1945-1950
[2]   MODELING THE GROWTH OF NATURAL DIAMONDS [J].
BOYD, SR ;
PINEAU, F ;
JAVOY, M .
CHEMICAL GEOLOGY, 1994, 116 (1-2) :29-42
[3]   Evaluation of various theoretical equations of state used in calculation of detonation properties [J].
Charlet, F ;
Turkel, ML ;
Danel, JF ;
Kazandjian, L .
JOURNAL OF APPLIED PHYSICS, 1998, 84 (08) :4227-4238
[4]  
CORTE D, 1998, GEOCHIM COSMOCHIM AC, V62, P3765
[7]   DIAMOND GENESIS IN A MULTIPLY-CONSTRAINED MODEL [J].
HAGGERTY, SE .
NATURE, 1986, 320 (6057) :34-37
[8]   Nucleation of diamond in the system of carbon and water under very high pressure and temperature [J].
Hong, SM ;
Akaishi, M ;
Yamaoka, S .
JOURNAL OF CRYSTAL GROWTH, 1999, 200 (1-2) :326-328
[9]   Formation of diamond from supercritical H2O-CO2 fluid at high pressure and high temperature [J].
Kumar, MDS ;
Akaishi, M ;
Yamaoka, S .
JOURNAL OF CRYSTAL GROWTH, 2000, 213 (1-2) :203-206
[10]  
MELTON CE, 1975, AM MINERAL, V60, P413