旨在通过对各种解析物态方程的对比研究,试图寻找一种可以利用较低压力下的超声测量数据建立在较宽广的压力范围内适用于简单面心立方金属的等温物态方程模型.对于Al、Cu、Ag 3种面心立方金属,结合实测DAC 实验数据对比研究了基于较低压力下的超声测量数据计算的各种解析状态方程适用的压力范围,发现目前尚不存在一种完全适用于材料从低压段到极高压力区的物态方程模型,而从较低压力下得到的超声测量数据出发,选取Vinet等温物态方程模型,可以在相当高的压力范围内(对铝约200GPa,对于铜和银约100GPa)很好地描述几种面心立方金属的压缩性.
参考文献
| [1] | 经福谦.实验物态方程导引[M].北京:科学出版社,1999 |
| [2] | 汤文辉.物态方程理论及计算概论[M].长沙:国防科技大学出版社,1999 |
| [3] | Murnagahan F D .Finite deformations of an elastic solid[J].American Journal of Mathematics,1937,49:235. |
| [4] | Birch F .Finite elastic strain of cubic crystals[J].Physical Review,1947,71(11):809. |
| [5] | Vinet P;Ferrante J;Rose J H .Compressibility of solids[J].Journal of Geophysical Research,1987,92(B9):9319. |
| [6] | PIYUSH KUCHHAL;NARSINGh DASS .New isothermal equation of state of solids applied to high pressures[J].Pramana,2003(4):753-757. |
| [7] | Holzapfel WB. .PHYSICS OF SOLIDS UNDER STRONG COMPRESSION [Review][J].Reports on Progress in Physics,1996(1):29-90. |
| [8] | Raymond G G et al.Al as a simple solid:High pressure study to 220GPa(2.2Mbar)[J].Physical Review Letters,1994,73(15):2075. |
| [9] | Mao H K et al.Specific volume measurements of Cu,Mo,Pd,and Ag and calibration of the ruby R1 fluorescence pressure gauge from 0.06 to 1 Mbar[J].Journal of Applied Physics,1978,49(06):3276. |
| [10] | Duffy T D et al.Sound velocities at high pressure and temperature and their geophysical implications[J].Journal of Geophysical Research,1992,97(B4):4503. |
| [11] | Guinan M W et al.Pressure and temperature derivatives of the isotropic for crystalline shear modulus for 65 elements[J].Journal of Physics and Chemistry of Solids,1971,35(11):1501. |
| [12] | Anderson O L.Equations of state of solids for geophysics and ceramic science[M].London,Oxford:Oxford University Press,1995 |
| [13] | Cohen R E et al.Accuracy of equation-of-state formulations[J].American Mineralogist,2000,85(02):338. |
| [14] | Vinet P;Smith J R;Ferrante J et al.Temperature effects on the universal equation of state of solids[J].Physical Review B:Condensed Matter,1987,35(04):1945. |
| [15] | Schlosser H;Ferrante J .Universality relationships in condensed matter:Bulk modulusand sound velocity[J].Physical Review B:Condensed Matter,1987,37(09):4351. |
| [16] | Hofmeister A M .Interatomic potentials calculated from equations of state--Limitation of finite strain to moderate K-prime[J].Geophysical Research Letters,1993,20(07):635. |
| [17] | Baonza VG.;Caceres M.;Nunez J.;Taravillo M. .UNIVERSAL FEATURES OF THE EQUATION OF STATE OF SOLIDS FROM A PSEUDOSPINODAL HYPOTHESIS[J].Physical Review.B.Condensed Matter,1996(9):5252-5258. |
| [18] | Kim K Y;Chhabildas L C;Ruoff A L .Isothermal equations of state for lithium fluoride[J].Journal of Applied Physics,1976,47(07):2862. |
| [19] | Chhabildas L C;Ruoff A L .Isothermal equations of state for Sodium chloride by the length-change-measurement technique[J].Journal of Applied Physics,1976,47(07):4182. |
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