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Identification of liquid/solid transformations in eutectic Pb–Sn alloy

  • M. Brunčko , A. C. Kneissl , B. Kosec , G. Lojen and I. Anžel
Published/Copyright: May 23, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 98 Issue 2

Abstract

In this paper the applicability and the efficiency of in-situ electrical resistance measurements with a four-probe method for monitoring the solidification process are presented. For this purpose a special measurement cell was developed. It enables simultaneous in-situ electrical resistance and temperature measurements during solidification to characterize the L → S phase transformation of metals and alloys. The method was experimentally demonstrated with a eutectic Pb – Sn (i. e. Pb-61.9 wt.% Sn) alloy. Additionally, the L → S phase transformation was monitored and compared with conventional differential thermoanalysis. The results of our investigation show that the simultaneous in-situ electrical resistance and temperature measurement method is able to determine the exact position of the start and end points of the L → S phase transformations from the resistance curves R(t) and the corresponding temperatures.

Keywords: Solidification; L → S phase transformation; Simultaneous in-situ electrical resistance and temperature measurement; Eutectic Pb – Sn alloy
* Correspondence address, Dr. Mihael Brunčko, University of Maribor, Faculty of Mechanical Engineering, Smetanova 17, SI-2000 Maribor, Slovenia, Tel.: +386 2 220 7868, Fax: +386 2 220 7990, E-mail:

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Received: 2006-5-4
Accepted: 2006-11-30
Published Online: 2013-05-23
Published in Print: 2007-02-01

© 2007, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.101448
Keywords for this article
Solidification; L → S phase transformation; Simultaneous in-situ electrical resistance and temperature measurement; Eutectic Pb – Sn alloy

Articles in the same Issue

  1. Contents
  2. Contents
  3. Basic
  4. A comparison of different distributions of azimuth angles in the sin2 ψ-method
  5. Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
  6. Liquid–solid phase equilibria in metal-rich Hf–Ti–Si alloys
  7. Density and atomic volume in liquid Al–Fe and Al–Ni binary alloys
  8. Identification of liquid/solid transformations in eutectic Pb–Sn alloy
  9. Cyclic deformation behaviour and lifetime calculation of the magnesium die-cast alloys AZ91D, MRI 153M and MRI 230D
  10. Applied
  11. Superplastic deformation behavior of a spray-deposited eutectic NiAl/Cr(Mo) alloy doped with Dy
  12. Fracture behavior of overmatched ductile iron weldment
  13. Design of carbide-free low-temperature ultra high strength bainitic steels
  14. The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
  15. Effect of tempering on the microstructure and hardness of ledeburitic chromium steel X155CrVMo12.1
  16. Notifications
  17. DGM News
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