Electrical resistivity of pb and pb-10 wt pct sn during solidification

S. H. Liu, David R Poirier, P. N. Ocansey

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The electrical resistivities of Pb and Pb-10 wt pct Sn alloy were measured during cooling and solidification. Three regimes corresponding to events when the metals were all liquid, liquid plus solid, and all solid were eminent. In particular, the nucleation and growth of the solid were captured by measuring the electrical resistivity. The resistivities of the liquid at the nucleation temperature of lead and of Pb-10 wt pct Sn are 94.7 and 85.7 μΩ. cm, respectively, and nucleation in these systems occurred at 326.9 °C and 301 °C, respectively. In lead, it was found that the ratio of resistivity of the liquid at the melting temperature to the resistivity of the solid was 1.92. The resistivity data were used to estimate the mass fraction of solid as a function of temperature during solidification. The method of measuring resistivity and temperature or the models for predicting electrical resistivity of two-phase mixtures should be improved before this method can be made quantitative.

Original languageEnglish (US)
Pages (from-to)741-745
Number of pages5
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume26
Issue number3
DOIs
StatePublished - Mar 1995

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Solidification
Nucleation
Liquids
Lead
Temperature
Melting point
Metals
Cooling

ASJC Scopus subject areas

  • Metals and Alloys
  • Materials Science(all)

Cite this

Electrical resistivity of pb and pb-10 wt pct sn during solidification. / Liu, S. H.; Poirier, David R; Ocansey, P. N.

In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 26, No. 3, 03.1995, p. 741-745.

Research output: Contribution to journalArticle

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