The Sm-Ni system on the Sm-rich side was experimentally investigated using differential scanning calorimetry with a slow scanning rate, as well as microscope and X-ray diffraction analyses. Two new phases Sm7Ni3 and Sm3Ni2 were observed and both of them form through a peritectic reaction and decompose at low temperature. The related invariant reactions and phase relations were determined. The phase diagram of the Sm-Ni system in the Sm-rich side has accordingly been modified. The results are discussed and compared with those of similar previously known systems.
The Sm–Ni system: new phases in the Sm-rich region
BORZONE, GABRIELLA;DELSANTE, SIMONA;PARODI, NADIA
2012-01-01
Abstract
The Sm-Ni system on the Sm-rich side was experimentally investigated using differential scanning calorimetry with a slow scanning rate, as well as microscope and X-ray diffraction analyses. Two new phases Sm7Ni3 and Sm3Ni2 were observed and both of them form through a peritectic reaction and decompose at low temperature. The related invariant reactions and phase relations were determined. The phase diagram of the Sm-Ni system in the Sm-rich side has accordingly been modified. The results are discussed and compared with those of similar previously known systems.
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