THERMODYNAMIC PROPERTIES OF BINARY IRON-ALUMINUM ALLOYS. Final Report | Zendy

Jeffrey I. Eldridge | Zendy; Kurt L. Komarek | Zendy

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THERMODYNAMIC PROPERTIES OF BINARY IRON-ALUMINUM ALLOYS. Final Report

Author(s) -

Jeffrey I. Eldridge,

Kurt L. Komarek

Publication year - 1960

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4115185

Subject(s) - feal , aluminium , intermetallic , thermodynamics , materials science , activity coefficient , metallurgy , chemical composition , chemistry , aqueous solution , physics , alloy

Thermodynamic properties of solid iron--aluminum alloys were determined by this method at 30 to 75% aluminum and 1100 to 1400 deg K. The activity of aluminum shows a strong negative deviation from Raoult's law at low concentrations of aluminum but increases rapidly above 40 at.% aluminum. Close to 50 at.% aluminum, the behavior of thermodynamic properties indicates a rapid increase in order as the composition FeAl is approached. A further rapid increase of the activity of aluminum occurs at the intermetallic compound FeAl/ sub 3/. Various molar and partial molar thermodynamic properties were calculated for a temperature of 1200 deg K. (auth

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