Abstract
Contactless modulation calorimetry was applied to measure the specific-heat of glass forming eutectic Zr alloys in the stable and undercooled liquid under microgravity conditions during the space shuttle IML-2 mission. The experimental method is described. leading to a quantitative determination of the specific heat from measured temperature modulations. In addition, the enthalpy of Vision of the specimen and the total hemispherical emissivity can be obtained. The data on ZrNi36, permit calculation of the thermodynamic functions in the stable and undercooked melt as well as estimation of the ideal glass transition temperature.
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