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The effect of partial pressure of oxygen on the wetting processes and contact interactions in metal melts/SnO2-ceramics systems

T.V.Sydorenko,
 
V.Poluyanska,
 
† J.Naydich
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Adhesion of Melts and Brazing of Materials - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2018, #51
http://www.materials.kiev.ua/article/2584

Abstract

The wetting processes and contact interaction of metal melts and ceramic materials based on tin dioxide (SnO2, SnO2—1% (at.) Fe2O3, SnO2— 0,5% (at.) CuO) were studied in gaseous environments with different partial pressure of oxygen in the system (air, pure oxygen). The concentration dependences of the wetting contact angles of ceramic surfaces for a number of metal melts (Ag—Cu, Ag—Ge, Ag—Pb) with oxygen dissolved in them to equilibrium state were obtained. The microstructure of the ceramic-metal contact zone was investigated.


CONTACT INTERACTION, OXYGEN-CONTAINING GASEOUS ENVIRONMENTS, TIN DIOXIDE, WETTABILITY

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