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Tie lines in a two‐phase region in the Cu–Ni–Zn system
Author(s) -
Mayall O. S.,
Mathew A.
Publication year - 1979
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889879012693
Subject(s) - tetragonal crystal system , phase (matter) , crystallography , position (finance) , materials science , chemistry , crystal structure , organic chemistry , finance , economics
The positions of the f.c.c. + b.c.c. two‐phase region and the f.c.c. + b.c.c. + tetragonal three‐phase region of the Cu–Ni–Zn system have been determined. The position of the latter differs significantly from that determined by Schramm & Vaupel [ Metallwirtsch. (1936), 15 , 723–726]. Unit‐cell parameters measured by X‐ray powder photography enabled tie lines in the two‐phase region to be drawn. Hence information about the free‐energy surfaces has been derived.