Фазовая диаграмма системы Ge-Ti

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Ge-Ti

Ge-Ti (Germanium-Titanium) Editor The Ti-Ge phase diagram is redrawn from [89Rud]. The solid phases in the Ti-Ge system are (1) the (aTi), (bTi), and (Ge) solid solutions; (2) Ti5Ge3; (3) Ti6Ge5; and (4) TiGe2. The maximum solubility of Ti in (Ge) is 1.8 x 10-6 at.% , determined by composition analysis of single crystals of (Ge) grown from a liquid alloy [64Vas]. [70Yue] determined the eutectic composition as 14.9 at.% Ge by chemical analysis of the eutectic region of a zone-melted alloy. Other reported values of the eutectic composition are less accurate, because they were based on metallographic examination of as-cast alloys. Orthorhombic TiGe, reported by [57Age], was not observed. -H.O. 57Age: N. Ageev and V. Samsonev, Dokl. Akad. Nauk, SSSR, 112, 853-855 (1957) in Russian; TR: Proc. Acad. Sci. USSR, Appl. Phys., 112, 7-9 (1957). 64Vas: V.N. Vasilevskaya and E.G. Miselyuk, in Radiatsionnaya Avtomatika Izotop i Yadernye Izlucheniya v Nauke i Technike, V.I. Stetsenko, Ed., Akad. Nauk Ukr. SSR, Kiev, 183-187 (1964). 70Yue: A.S. Yue and F.W. Crossman, Metall. Trans., 1, 322-323 (1970). 89Rud: M.V. Rudometkina, Yu.D. Seropegin, A.V. Gribanov, and L.S. Gusei, J. Less-Common Met., 147, 239-247 (1989). This supersedes the evaluation by J.L. Murray published in Phase Diagrams of Binary Titanium Alloys, 1987, which contains 3 figures, 4 tables, and 13 references. Special Points of the Ti-Ge System

 

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