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The System Sc 2 O 3 ‐WO 3
Author(s) -
Halum Gary W.,
Datta R.K.
Publication year - 1985
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1985.tb15290.x
Subject(s) - eutectic system , materials science , phase diagram , binary system , phase (matter) , mineralogy , crystallography , congruent melting , analytical chemistry (journal) , binary number , chemistry , microstructure , organic chemistry , mathematics , arithmetic
Phase relations in the system Sc 2 O 3 ‐WO 3 were characterized. Two stable binary compounds were, found. The 1:3 compound, SC 2 (WO 4 ) 3 , melts congruently at 1640°±10°C and forms a simple eutectic with WO 3 at ∼90 mol% WO 3 and 1309°+10°C. The 3 : 1 compound, Sc 6 WO 12 , forms a simple eutectic with the 1:3 compound at ‐69 mol% WO 2 , and 1580°+10°C. The melting temperature of SC 6 WO 12 was >1600°C.
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