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Subsolidus phase equilibria in the RuO2–Bi2O3–SiO2 system

✍ Scribed by Marko Hrovat; Thomas Maeder; Janez Holc; Darko Belavič; Jena Cilenšek; Janez Bernard

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
473 KB
Volume
28
Category
Article
ISSN
0955-2219

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✦ Synopsis

Subsolidus equilibria in the RuO 2 -Bi 2 O 3 -SiO 2 diagram were studied with the aim of investigating possible interactions between the bismuth-ruthenate-based conductive phase and the silica-rich glasses in thick-film resistors. The tie lines are between Bi 2 Ru 2 O 7 and Bi 12 SiO 20 (gamma phase), between Bi 2 Ru 2 O 7 and Bi 4 Si 3 O 12 , and between RuO 2 and Bi 4 Si 3 O 12 . This indicates that the bismuth ruthenate is not stable in the presence of the silica-rich glass phase.

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