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Доповіді НАН України. – 2008. – N 9. – С. 99–105.
Процеси змочування перовськітової BaTiO3-кераміки металічними розплавами
Ю.В. Найдіч, Т.В. Сидоренко
Abstract
The complex research of the contact interaction and wetting of
BaTiO3 — perovskite ceramics by metal melts
is carried out. Two states of barium titanate were studied:
1. semiconducting BaTiO3–x — with oxygen defect. The experiments in vacuum
for 13 pure metals and for Ti-containing alloys Cu–Sn–Ti,
Cu–Ga–Ti and Ag–Cu–Ti are executed. The majority of metals
do not wet barium titanate. The addition of Ti sharply increases
capillary properties and adhesion;
2. ferroelectric stoichiometric BaTiO3. The studies
of alloys Ag–Cu–O in air are carried out. Oxygen dissolved
in alloy Ag–Cu works as a strong adhesive element.
Compositions of capillary active alloys and modes of brazing and
metallization of barium titanate with high strength of a contact are
recommended.
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