2001 volume 33(5)
doi:10.1068/htwu155

Cite as:
Reiter P, Kaschnitz E, 2001, "A new millisecond high-temperature pulse calorimeter" High Temperatures - High Pressures 33(5) 505 – 510

A new millisecond high-temperature pulse calorimeter

Peter Reiter, Erhard Kaschnitz

Received 05 April 2000

Abstract. A new pulse-heating system for resistive self-heating of metallic specimens has been constructed for the accurate measurement of thermophysical properties. A controlled high current pulse is used to heat alloys in a time interval of approximately 1 s from room temperature into the melting range. From time-resolved measurements of current and voltage drop across the specimen, enthalpy and electrical resistivity are determined. A high-speed pyrometer is used to measure the (time-dependent) temperature of the specimen. From these measured quantities, specific enthalpy, heat capacity, and electrical resistivity as a function of temperature are obtained.

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