Abstract
The dissolution of a copper cylinder in molten tin-lead alloys was studied at 673 K under static and dynamic conditions in the peripheral velocity range 1.9 to 75.4 cm per second using an immersion method. The dissolution rate of copper increased with increasing tin concentration and peripheral velocity. The solution rate constant increased with peripheral velocity and with diffusion coefficient of copper in the melt. The constant decreased with kinematic viscosity of the melt and diameter of the specimen. The dissolution of copper in molten tin-lead alloys was mixed control. Flow of the melt under forced convection was turbulent flow with Taylor vortices. Natural convection occurred in dissolution of stationary copper in tin rich alloys due to hydrodynamic instability from density differences in the melt.
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YOSHIFUSA SHOJI, formerly Graduate Student, Tokai University, Tokyo
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Shoji, Y., Uchida, S. & Ariga, T. Dissolution of solid copper cylinder in molten tin-lead alloys under dynamic conditions. Metall Trans B 13, 439–445 (1982). https://doi.org/10.1007/BF02667760
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DOI: https://doi.org/10.1007/BF02667760