The Transformation of the Structure at Heating and Mechanism of Thermal Expansion of Sn-Bi Eutectic Alloy

Authors

  • I.I. Shtablavyi Ivan Franko National University of Lviv
  • S.I. Mudry Ivan Franko National University of Lviv
  • U.I. Liudkevych Ivan Franko National University of Lviv

DOI:

https://doi.org/10.15330/pcss.18.2.198-205

Keywords:

short range order structure, thermal expansion, free volume

Abstract

The short range order structures of Sn-Bi eutectic melt has been studied by means of X-ray diffraction and reverse Monte-Carlo methods within 420 – 1120 К temperature range. Temperature dependences of interatomic distances and thermal expansion coefficient within first coordination sphere were calculated. Free volume temperature variation was investigated using Voronoi-Delone statistic-geometric method. Obtained data allowed us to find the occurrence of smeared structure transformation in Sn-Bi liquid eutectic and determine the temperature range of this transformation. Results of this study have a potential application in soldering technologies, particularly at improving of interface region properties.  

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Published

2017-06-15

How to Cite

Shtablavyi, I., Mudry, S. ., & Liudkevych, U. (2017). The Transformation of the Structure at Heating and Mechanism of Thermal Expansion of Sn-Bi Eutectic Alloy. Physics and Chemistry of Solid State, 18(2), 198–205. https://doi.org/10.15330/pcss.18.2.198-205

Issue

Section

Scientific articles