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Measurement of thermophysical properties by a pulse-heating technique (1100 K to the melting point)

  • Peng Xiao*
  • , De Long Zhang
  • , Wei Zhang
  • , Jing Min Dai
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A technique is described for the dynamic measurement of selected thermophysical properties of e lectrically conducting solids in the temperature range 1100 K to the melting point. The technique is based on rapid resistive self-heating of the specimen from room temperature to any desired high temperature in less than several seconds by the passage of an electrical current pulse through it on measuring the pertinent quantities, such as current, voltage, with sub-millisecond time resolution. The pulse-heating technique is applied to strip specimens. In order to obtain the true temperature and normal spectral emissivity of metallic strip specimens, the technique of multi-wavelength pyrometry is mainly used. The heat capacity, electrical resistivity, total hemispherical emissivity are evaluated in the temperature range 1100 K to the melting point.

Original languageEnglish
Title of host publicationProceedings of the 2012 2nd International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2012
Pages689-691
Number of pages3
DOIs
StatePublished - 2012
Event2012 2nd International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2012 - Harbin, Heilongjiang, China
Duration: 8 Dec 201210 Dec 2012

Publication series

NameProceedings of the 2012 2nd International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2012

Conference

Conference2012 2nd International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2012
Country/TerritoryChina
CityHarbin, Heilongjiang
Period8/12/1210/12/12

Keywords

  • Emissivity
  • Measurement of thermophysical properties
  • Multi-wavelength high-speed pyrometer
  • Pulse-heating
  • True temperature

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