Abstract
Recent investigation at our institute revealed that the solid-fluid-fluid three-phase line of the system helium-nitrogen shows two quadruple points in the pressure range up to 10 GPa. Since each quadruple point is connected with four three-phase lines, the phase diagram is very complicated. We have detected the phase transitions representing solid-solid-fluid equilibria. Moreover, two lines of constant composition have been determined as a function of temperature and pressure. These results are discussed together with the implications for the phase diagram of both He-N2 and pure nitrogen.
Original language | English |
---|---|
Pages (from-to) | 15-25 |
Number of pages | 11 |
Journal | International Journal of Thermophysics |
Volume | 10 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1 Jan 1989 |
Externally published | Yes |
Fingerprint
Keywords
- binary mixtures
- diamond anvil cell
- helium
- high pressure
- nitrogen
- phase equilibria
Cite this
}
Phase behavior of the system He-N2 at high pressures. / Vos, W. L.; van den Bergh, L. C.; Schouten, J. A.
In: International Journal of Thermophysics, Vol. 10, No. 1, 01.01.1989, p. 15-25.Research output: Contribution to journal › Article › Academic › peer-review
TY - JOUR
T1 - Phase behavior of the system He-N2 at high pressures
AU - Vos, W. L.
AU - van den Bergh, L. C.
AU - Schouten, J. A.
PY - 1989/1/1
Y1 - 1989/1/1
N2 - Recent investigation at our institute revealed that the solid-fluid-fluid three-phase line of the system helium-nitrogen shows two quadruple points in the pressure range up to 10 GPa. Since each quadruple point is connected with four three-phase lines, the phase diagram is very complicated. We have detected the phase transitions representing solid-solid-fluid equilibria. Moreover, two lines of constant composition have been determined as a function of temperature and pressure. These results are discussed together with the implications for the phase diagram of both He-N2 and pure nitrogen.
AB - Recent investigation at our institute revealed that the solid-fluid-fluid three-phase line of the system helium-nitrogen shows two quadruple points in the pressure range up to 10 GPa. Since each quadruple point is connected with four three-phase lines, the phase diagram is very complicated. We have detected the phase transitions representing solid-solid-fluid equilibria. Moreover, two lines of constant composition have been determined as a function of temperature and pressure. These results are discussed together with the implications for the phase diagram of both He-N2 and pure nitrogen.
KW - binary mixtures
KW - diamond anvil cell
KW - helium
KW - high pressure
KW - nitrogen
KW - phase equilibria
UR - http://www.scopus.com/inward/record.url?scp=0042060399&partnerID=8YFLogxK
U2 - 10.1007/BF00500704
DO - 10.1007/BF00500704
M3 - Article
VL - 10
SP - 15
EP - 25
JO - International Journal of Thermophysics
JF - International Journal of Thermophysics
SN - 0195-928X
IS - 1
ER -