Phase equilibria of the Mg–Sn-Nd ternary system at 400 °C

The phase equilibria of the Mg–Sn-Nd ternary at 400 °C were investigated by X-ray powder diffraction (XRD), scanning electron microscope equipped with an energy dispersive spectrometer (SEM-EDS). Seven stable ternary compounds and one eutectoid decomposed structure (A1) were observed in the section....

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Veröffentlicht in:	Calphad 2023-09, Vol.82, p.102564, Article 102564
Hauptverfasser:	Ou, Rong, Jiang, Ruyi, Huang, Yukun, He, Wei, He, Cuiyun
Format:	Artikel
Sprache:	eng
Schlagworte:	Experimental phase equilibria Magnesium alloy Mg–Sn-Nd ternary System
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Zusammenfassung:	The phase equilibria of the Mg–Sn-Nd ternary at 400 °C were investigated by X-ray powder diffraction (XRD), scanning electron microscope equipped with an energy dispersive spectrometer (SEM-EDS). Seven stable ternary compounds and one eutectoid decomposed structure (A1) were observed in the section. The crystal structure for the phases: τ1 (MgSnNd, I4/mmm, tI12) and τ2 (MgSn2Nd, I42 m, tI32) were confirmed. τ3 (Mg75Sn3.5Nd21.5) is the iso-structure of Mg23SnLa6 (Zn23SiZr6 prototype, cF120 Pearson's code) and τ4 (Mg40+3Sn26.7-3Nd33.3) has the same structure and homogeneity range of Mg4-xSn2+xLa3(0.12
ISSN:	0364-5916 1873-2984
DOI:	10.1016/j.calphad.2023.102564