Journal
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
Volume 95, Issue 2, Pages 244-249Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024421020084
Keywords
Fe– Mn– C; viscosity; theory of absolute reaction rates; liquid– liquid structural transition; Arrhenius– Frenkel– Eyring equation; activation energy of viscous flow; volume of viscous flow structural unit
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Funding
- Russian Foundation for Basic Research [19-33-90198]
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The study investigates the effect of different Mn and C contents on the kinematic viscosity of Fe-Mn-C melts, determining the temperatures at which viscous flow characteristics change and liquid-liquid structural transitions occur through viscosity measurements.
The kinematic viscosity of Fe-Mn-C melts is measured with Mn contents of 5.0, 7.5, 10.0, 12.0, 15.0, 17.5, 20.0, and 25.0 wt % and C contents of 0.4 to 2.2 wt %. The kinematic viscosity is measured using damped torsional vibrations of a crucible with a melt upon the heating and subsequent cooling of the samples. The temperatures at which the characteristics of the viscous flow change and the liquid-liquid structural transition occurs in Fe-Mn-C melts are determined using the results from measuring the kinematic viscosity.
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