Phase equilibria in the ternary system Sm–Al–B
at 600°C
Chem.
Met. Alloys 11 (2018) 23-26
https://doi.org/10.30970/cma11.0380
Taras SLIVINSKIY, Yaroslav
TOKAYCHUK, Roman GLADYSHEVSKII
The isothermal section of the phase
diagram of the system Sm–Al–B at 600°C was
constructed. The binary compounds do not dissolve significant amounts the third
component. One ternary compound, Sm3AlBx
(x ≈ 0.1) was found in the system. The crystal structure of the
metal (Sm/Al) sublattice of
the new compound belongs to the structure type Cu3Au (Pearson symbol
cP4,
space group Pm-3m, a = 4.832(2) Å). The boron atoms are likely to occupy octahedral voids in
the structure, in an arrangement corresponding to the structure type
CaTiO3.
Isothermal section of
the phase diagram of the system Sm–Al–B at 600°C.
Keywords
Samarium
/ Aluminum / Boron / X-ray powder diffraction / Phase diagram