Фазовая диаграмма системы Co-Se

К оглавлению: Другие диаграммы (Others phase diargams)

Co-Se (Cobalt-Selenium) Editor The liquidus boundaries of the Co-Se phase diagram were determined by [38Has] ( 0 to 40 at.%Se) and [72Kom] (40 to 70 at.% Se). Co1-xSe is hexagonal on the Co- rich side and monoclinic on the Se-rich side [55Boh]. These two forms appear to be separated by a two-phase field at low temperatures [55Boh] with a critical temperature at 530 C [78Cha], but the transition is gradual at high temperatures [55Boh]. The peritectoidal formation temperature of Co9Se8 (420 C) is taken from [72Kom], where the aCo = eCo transformation temperature was assumed to be 417 C, instead of the currently accepted 422 C.-H.O. 27Dej: W.F. deJong and H.W.V. Willems, Physica, 7, 74-79 (1927). 28Dej: W.F. deJong and H.W.V. Willems, Z. Anorg. Allg. Chem., 170, 241-245 ( 1928) in German. 38Has: U. Haschimoto, Nippon Kinzoku Gakkai-shi, 2, 67-77 (1938) in Japanese. 55Boh: F. Bohm, F. Gronvold, H. Haraldsen, and H. Pryde, Acta. Chem. Scand., 9, 1510-1522 (1955). 72Kom: K.L. Komarek and K. Sessely, Monatsh. Chem., 103, 896-906 (1972) in German. 78Cha: M.S. Chandrasekharaiah and M.D. Karkhanavala, Monatsh. Chem., 109(6), 1349-1363 (1978). 1