Cyclic Supercooling of Liquid Bismuth Drops during Solidification
- Authors: Aleksandrov V.D.1, Zozulya A.P.1, Frolova S.A.1, Aleksandrova O.V.1, Kotova O.V.1
-
Affiliations:
- Donbass National Academy of Building and Architecture
- Issue: Vol 2019, No 1 (2019)
- Pages: 77-82
- Section: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/172899
- DOI: https://doi.org/10.1134/S0036029519010026
- ID: 172899
Cite item
Abstract
The laws of changing the presolidification supercooling of bismuth drops during continuous thermal cycling were studied by thermal analysis in the temperature–time coordinates. A sawtooth cyclic dependence of the supercooling on the sequence of heating and cooling cycles, which is described by a Fourier function, is detected. An expression is derived for the energy of coagulation of nuclei, and it is used to find a relation between the experimental and calculated supercoolings. The obtained results are interpreted in terms of a cluster-coagulation solidification model and the anomalous properties of bismuth in melting and solidification.
Keywords
About the authors
V. D. Aleksandrov
Donbass National Academy of Building and Architecture
Email: zozulyanastya@yandex.ua
Ukraine, Makeevka
A. P. Zozulya
Donbass National Academy of Building and Architecture
Author for correspondence.
Email: zozulyanastya@yandex.ua
Ukraine, Makeevka
S. A. Frolova
Donbass National Academy of Building and Architecture
Email: zozulyanastya@yandex.ua
Ukraine, Makeevka
O. V. Aleksandrova
Donbass National Academy of Building and Architecture
Email: zozulyanastya@yandex.ua
Ukraine, Makeevka
O. V. Kotova
Donbass National Academy of Building and Architecture
Email: zozulyanastya@yandex.ua
Ukraine, Makeevka