Фазовая диаграмма системы Ag-Sm

К оглавлению: Другие диаграммы (Others phase diargams)


Ag-Sm (Silver-Samarium) K.A. Gschneidner, Jr. and F.W. Calderwood The assessed phase diagram of the Ag-Sm system is based on the work of [64Geb], [65Ste], [70Mcm], and [80Sta]. The present phase diagram is drawn from the data of [80Sta], except that the Ag-rich compound is Ag51Sm14. A solubility range from 21.5 to 25 at.% Sm occurs, as in the Ag-Ce system, with the peak in the liquidus occurring at some composition within this range. The solid solubility of Sm in (Ag) at the eutectic temperature is ~1 at.% [ 70Gsc]. The compound bAg2Sm forms peritectically at 790 C from Ag51Sm14 and the liquid. The three reported eutectics are (Ag)-Ag51Sm14 at 10 at.% Sm and 760 C, the bAg2Sm-AgSm at 37 at.% Sm and 775 C, and AgSm-(Sm) at 82 at.% Sm and 675 C. 64Geb: E. Gebhardt, M. von Erdberg, and U. Luty, Nucl. Met., 10, 303 (1964). 65Ste: S. Steeb and D. Godel, Z. Metallkd., 56, 612 (1965) in German. 70Gsc: K.A. Gschneidner, Jr., O.D. McMasters, D.G. Alexander, and R.F. Venteicher, Metall. Trans., 1, 1961 (1970). 70Mcm: O.D. McMasters, K.A. Gschneidner, Jr., and R.F. Venteicher, Acta Crystallogr., B26, 1224 (1970). 80Sta: I. Stapf, G. Kiessler, H. Jehn, E. Gebhardt, and A. Mulokozi, J. Less- Common Met., 71, P19-P27 (1980) in German. Published in Bull. Alloy Phase Diagrams, 6(2), Apr 1985. Complete evaluation contains 1 figure, 1 table, and 14 references. 1