Mg−Y (Magnesium-Yttrium)

Supplemental Literature Review: Section III JPEDAV (2006) 27:431 DOI: 10.1361/154770306X116559 1547-7037/$19.00 ©ASM International Mg-Y (Magnesium-Yttrium) H. Okamoto The Mg-Y phase diagram in [Massalski2] was assessed thermodynamically by [1988Ran], as introduced by [1992Oka]. This phase diagram obtained by [1988Ran] is Table 1 shown with dashed lines in Fig. 1. [2003Fab] reassessed this system using new information on the thermodynamic model. The result is shown with solid lines in Fig. 1. Table 1 shows special points of this phase diagram. Special points of the Mg-Y phase diagram Reaction L ↔ Mg L ↔ (Mg) + ␧ L + Mg2Y ↔ ␧ L + MgY ↔ Mg2Y L + (␤Y) ↔ MgY (␤Y ) ↔ MgY + (␣Y) L ↔ ␤Y ␤Y ↔ ␣Y Composition, at.% Y Temperature, °C Reaction type 0 3.5 26.4 46.6 58.0 79.7 100 100 650 572 608 783 942 774 1522 1478 Melting Eutectic Peritectic Peritectic Peritectic Eutectoid Melting Allotropic 8.2 14.1 28.9 47.2 69.0 13.5 16.0 32.3 49.8 50.5 References 1988Ran: Q. Ran, H.L. Lukas, G. Effenberg, and G. Petzow, Thermodynamic Optimization of the Mg-Y System, Calphad, 1988, 12(4), p 375-381 1992Oka: H. Okamoto, Mg-Y (Magnesium-Yttrium), J. Phase Equilibria, 1992, 13(1), p 105-106 2003Fab: O.B. Fabrichnaya, H.L. Lukas, G. Effenberg, and F. Aldinger, Thermodynamic Optimization in the Mg-Y System, Intermetallics, 2003, 11(11-12), p 1183-1188 Fig. 1 Mg-Y phase diagram Journal of Phase Equilibria and Diffusion Vol. 27 No. 4 2006 431  (...truncated)