首页|Analysis of the effect of the liquid phase separation on the formation of microstructure in the Sn[sbnd]Fe and Al[sbnd]Fe[sbnd]Sn alloys
Analysis of the effect of the liquid phase separation on the formation of microstructure in the Sn[sbnd]Fe and Al[sbnd]Fe[sbnd]Sn alloys
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NSTL
Elsevier
? 2022 Elsevier Inc.In the present paper, the wide miscibility gap in liquid phase in the Al-Fe-Sn system is well defined for the first time. A large miscibility gap extends from the Sn[sbnd]Fe side and dramatically extends upon addition of Al. The evolution of the microstructure during solidification was investigated experimentally in the entire concentration range in binary Sn[sbnd]Fe and ternary Al-Fe-Sn systems using SEM/EDS, XRD and DTA/DSC techniques. The existence of Fe3Sn phase in the Sn[sbnd]Fe system was confirmed. It was found that the FeAl2 phase in the ternary system participates in equilibrium with the liquid phase contrary to the binary Al[sbnd]Fe system where it is formed in a solid state. All the binary phases do not demonstrate any essential solubility of the third component. Liquidus and solidus projections, melting diagram, isothermal section at 850 °C, vertical sections on isoconcentrates 10, 20 and 35 at.% Sn and a Scheil reaction scheme for the Al-Fe-Sn system covering the whole concentration range were constructed for the first time.
Al-Fe-Sn systemExperimentalLiquid phase separationMiscibility gap
Shilundeni S.、Cheverikin V.、Kondratiev A.、Bulanova M.、Fartushna I.、Bajenova I.、Khvan A.
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Thermochemistry of Materials Scientific Research Centre NUST MISIS
I.N. Frantsevich Institute for Problems of Materials Science
NSTL
Elsevier
