V. I. Lutsyk, V. P. Vorob’eva, A. E. Zelenaya, M. V. Lamueva

3D computer model of the Co-Cu-CoS-Cu2S subsystem T-x-y diagram above 800oC

J. Min. Metall. Sect. B-Metall., 57 (3) (2021) 319-329 DOI:10.2298/JMMB190307028L
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Available online 22 April 2021
(Received 07 March 2019; Accepted 30 March 2021)


The three-dimensional computer model of the Co-Cu-CoS-Cu2S subsystem T-x-y diagram at temperatures above 800oC is represented. It is shown that the liquid immiscibility in the binary subsystem Cu-Cu2S is transformed within the ternary system with Co into the wide two-phase region of two immiscible melts, which interrupts the univariant curve of the Co and Cu2S co-crystallization. The special features of the structure of the solidus surface of cobalt, caused by liquid-phase immiscibility are considered.

Keywords: Phase diagrams; Immiscibility; 3D visualization; Metal-sulfide systems; Alloys of cobalt and copper

Correspondence Address:
V. I. Lutsyk,
a Institute of Physical Materials Science, Siberian Branch, Russian Academy of Sciences, Ulan-Ude, Russia; b Banzarov Buryat State University, Chemical Department, Ulan-Ude, Russia;,
email: vluts@ipms.bscnet.ru



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