Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Thermodynamic measurement of Dy + Fe binary system by double Knudsen cell mass spectrometry

Nagai, T.[Takashi], Shirai, S.[Sho], Maeda, M.[Masafumi]
J. Chem. Thermodyn. 2013, 65, 78-82
ABSTRACT
The activities of Dy in Dy Fe alloys with Dy concentrations ranging from (7.0 to 89) at% were determined at (1273 to 1573) K by measuring the ion current of the vapor of Dy in equilibrium with Dy Fe melts, Dy2Fe17 + gammaFe, etc. The standard Gibbs energy of formation of Dy2Fe17, Dy6Fe23, DyFe3, and DyFe2 were calculated from the activities of Dy obtained from these measurements.
Compounds
# Formula Name
1 Dy dysprosium
2 Fe iron
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 1
  • 2
  • (Relative) activity - 1 ; Liquid
  • Mole fraction - 1; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Mass-spectrometry
  • 14
  • POMD
  • 1
  • 2
  • (Relative) activity - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal
  • Mass-spectrometry
  • 6
  • POMD
  • 1
  • 2
  • (Relative) activity - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal of intercomponent compound 1
  • Mass-spectrometry
  • 3
  • POMD
  • 1
  • 2
  • (Relative) activity - 1 ; Liquid
  • Temperature, K; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal of intercomponent compound 2
  • Mass-spectrometry
  • 1