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Section III: Supplemental Literature Review

Dy-Li (Dysprosium-Lithium) H. Okamoto

Reference

The Dy-Li phase diagram was unknown in [Massalski2]. Figure 1 shows the Dy-Li phase diagram constructed based on a schematic phase diagram and a table of invariant reaction temperatures and compositions given in [1998Gan]. Table 1 shows Dy-Li crystal structure data.

Table 1

1998Gan: N.N. Ganiev, Kh.M. Nazarov, and M.D. Badalov, Interaction of Lithium with Rare-earth Metals, Izv. Ross. Akad. Nauk, Metally, 1998, (6), p 109-112, in Russian; TR: Russ. Metall., 1998, (6), p 132-136

Dy-Li crystal structure data

Phase

Composition, at.% Li

Pearson symbol

Space group

Strukturbericht designation

Prototype

(bDy) (aDy) (bLi)

0 0 100

cI2 hP2 cI2

Im3m P63/mmc Im3m

A2 A3 A2

W Mg W

Weight Percent Lithium 5

0

10

20

30 40 60 100

(βDy)

1412°C 1400 1381°C

L 1200

L1 + L2

Temperature,°C

1000 915°C 40.31

800

600

(αDy) 400

179°C

200

99.92

180.6°C

(βLi) 0 0

Dy

10

20

30

40

50

60

70

80

90

Atomic Percent Lithium

Fig. 1 Dy-Li phase diagram

116

Journal of Phase Equilibria and Diffusion Vol. 30 No. 1 2009

100

Li