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Thermodynamics of the ternary system Fe-Ni-Cr in the fcc solid phase

Book ·
OSTI ID:367633
 [1]; ;  [2]
  1. Univ. of Vienna (Austria). Inst. of Physical Chemistry
  2. Masaryk Univ., Brno (Czech Republic)
Thermodynamic investigations on fcc solid ternary Fe-Ni-Cr alloys have been performed by means of the computer-aided Knudsen cell mass spectrometry. Ternary T.A.P.-series (Thermodynamically adapted power series) are used for the algebraic representation of the thermodynamic excess properties. At 1,650 K the molar excess gibbs energy G{sup E} is negative over the whole field of stable fcc phase. The molar heat of mixing H{sup E} is exothermic in the predominant part of the fcc phase field. Only between the section with a constant ratio of mole fraction X{sub Cr}/x{sub Ni} = 0.64 and the fcc phase field boundary the H{sup E} values are slightly endothermic. The results of this work can be used successfully for phase diagram calculations.
OSTI ID:
367633
Report Number(s):
CONF-960202--; ISBN 0-87339-310-4
Country of Publication:
United States
Language:
English

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