Wetting of noble metals by fusions on a basis of Bi2O3

I.T. Denisova, E.A. Pastukhov, S.A. Istomin, V.M. Denisov

KEY WORDS:

fusion, noble metals, wetting, oxides of bismuth, germanium, silicon, titanium, boron, zinc.

ABSTRACT:

The wetting of Ag, Pt, Pd, Au and Ir by the Bi₂O₃-GeO₂ (SiO₂, TiO₂, B₂O₃, ZnO) fusions in dependence on temperature and fusion composition was investigated. The lowest interaction of such melts was demonstrated to occur with iridium.