Accession Number:

AD0687435

Title:

THE THERMODYNAMICS OF THE BORON CARBIDE BORON-CARBON VAPOR SYSTEM,

Descriptive Note:

Corporate Author:

RAND CORP SANTA MONICA CALIF

Personal Author(s):

Report Date:

1969-03-01

Pagination or Media Count:

41.0

Abstract:

An investigation of the thermodynamic properties of boron carbide over a range of temperatures up to 6000 deg K and pressures up to 1000 atmospheres. Two sets of equilibrium composition equations are used--one representing a pure gas phase, the other a heterogeneous system of gas and condensed solid or liquid boron carbide. The gas phase of the heterogenous chemical system, like the homogeneous gas phase, comprises 23 gaseous boron-carbon species. The results of the computational program are presented in both tabular and graphic form. The latter is a conventional Mollier diagram in which specific enthalpy is plotted against specific entropy, with cross plots of temperature, pressure, and molecular weight or moles of condensed boron carbide. Author

Subject Categories:

  • Physical Chemistry
  • Ceramics, Refractories and Glass
  • Thermodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE