Фазовая диаграмма системы Dy-V

К оглавлению: Другие диаграммы (Others phase diargams)


Dy-V (Dysprosium-Vanadium) J.F. Smith and K.J. Lee Only limited information is available concerning the phase relationships in the Dy-V system. The assessed phase diagram has been calculated and is based on review of the experimental data. [61Gsc] quoted unpublished work of Beck that indicated a region of liquid immiscibility in the system. [61Bae] found no evidence for the existence of intermetallic phases and reported that the terminal solubilities of the elements are quite small. [66Gib] cited later work of Copeland and Kato, (quoted in [Shunk]), as the basis for a partial phase diagram covering the Dy-rich region of the system from 0 to 10 at.% V and in the temperature range 1200 to 1600 C. The region shows a eutectic depression of the melting of Dy from 1407 to 1370 C near 7 at.% V, with a maximum terminal solubility of V in (Dy) of <0.6 at.%. From these limited data, the phase diagram of the Dy-V system appears to be of the same essential character as the diagrams of the other trivalent lanthanons with V. 61Bae: N.C. Baenziger and J.L. Moriarty, Acta Crystallogr., 14, 948-950 (1961). 61Gsc: K.A. Gschneidner, Jr., Rare Earth Alloys, D. Van Nostrand, New York, 331 (1961). 66Gib: J.A. Gibson and G.S. Harvey, U.S. Govt. Report AFML-TR-65-430, 74 (1966) . Published in Phase Diagrams of Binary Vanadium Alloys, 1989. Complete evaluation contains 1 figure, 2 tables, and 8 references. Special Points of the Dy-V System