The effect of the conditions under which the solid phase is formed at the initial stage of the solidification process on the result of a measurement of the temperature of ITS-90 fixed points

The effect of the conditions under which the solid phase is formed at the initial stage of the solidification process on the result of a measurement of the temperature of ITS-90 fixed points

The effect of the rate of crystallization in the initiation of the liquid–solid inner interface on the results of a measurement of the solidification temperature of the ITS-90 fixed points is investigated. It is shown that a redistribution of the impurity at a different rate of crystallization may l...

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Veröffentlicht in:Measurement techniques 2011-10, Vol.54 (7), p.794-800
Hauptverfasser: Ivanova, A. G., Abasov, M. Yu, Gerasimov, S. F., Pokhodun, A. I.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Analytical Chemistry
Characterization and Evaluation of Materials
Cold
Crystallization
Deviation
Equilibrium
Heat
Impurities
Interfaces
Liquid-solid interfaces
Liquidus
Mathematical analysis
Measurement Science and Instrumentation
Measurement techniques
Phase transitions
Physical Chemistry
Physics
Physics and Astronomy
Solid phases
Solidification
Solids
Studies
Temperature
Thermal Measurements
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Zusammenfassung:The effect of the rate of crystallization in the initiation of the liquid–solid inner interface on the results of a measurement of the solidification temperature of the ITS-90 fixed points is investigated. It is shown that a redistribution of the impurity at a different rate of crystallization may lead to a considerable deviation of the measured solidification temperature from the liquidus temperature.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-011-9806-9