Thermal expansion of Ir, Pd, Pt, and v obtained in fast pulse-heating experiments

T. Hüpf, G. Pottlacher

Research output: Contribution to journalArticleResearchpeer-review

Abstract

During fast pulse-heating experiments an electrically conducting sample is heated rapidly by the passage of a large current pulse. Heating continues until the material evaporates (thus leading to the so-called 'wire-explosion'). Simultaneous measurements of temperature, voltage drop, current, and thermal expansion deliver thermophysical properties for the solid and liquid state. Within this study, thermal expansions of Ir, Pd, Pt, and V together with the respective resistivity polynomials are presented since resistivity includes the geometry of the sample. We have added available literature values to the graphs. The notable agreement of the platinum curves was taken as a starting point for conclusions. The results are part of a compilation (the 'pulse-heating data collection') of 22 pure elements measured under the same experimental conditions (pulse-heating at TU Graz).

Original languageEnglish
Pages (from-to)271-279
Number of pages9
JournalHigh temperatures, high pressures
Volume40
Issue number3-4
Publication statusPublished - 2011

Fingerprint

pulse heating
Thermal expansion
thermal expansion
Heating
electrical resistivity
expansion
Experiments
thermophysical properties
explosions
polynomials
platinum
Platinum
wire
Explosions
solid state
conduction
heating
Thermodynamic properties
Polynomials
electric potential

Keywords

  • Electrical resistivity
  • Ir
  • Liquid metal
  • Pd
  • Pt
  • Pulse heating
  • Thermal expansion
  • V

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Mechanics of Materials
  • Condensed Matter Physics

Fields of Expertise

  • Advanced Materials Science

Cite this

Thermal expansion of Ir, Pd, Pt, and v obtained in fast pulse-heating experiments. / Hüpf, T.; Pottlacher, G.

In: High temperatures, high pressures, Vol. 40, No. 3-4, 2011, p. 271-279.

Research output: Contribution to journalArticleResearchpeer-review

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