Density of CeAl2 and NdAl2 intermetallic compounds in solid and liquid states
S.V. Stankus, R.A. Khairulin
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Keywords: intermetallics of lanthanides, density, thermal expansion, solid and liquid states, gamma method, prediction of properties
Abstract
The density of CeAl2 and NdAl2 intermetallic compounds in the temperature range of 1550 - 1930 K in the so-lid and liquid states was measured using the method of transmitting samples with a narrow gamma-ray beam with an error of 0.5 - 0.8 %. Approximation dependences for the density of melts of the studied alloys were obtained, and changes in the density during melting and crystallization were determined. The density of melts of a number of other LnAl2 intermetallics of cerium subgroup of lanthanides was empirically estimated.
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