Abstract
This paper discusses a model of heat, momentum, and mass transfer prior to formation of an equilibrium membrane of the free surface, but after formation of a molten metal micro layer and/or metal filler liquid drop during brazing. Empirical evidence related to joint formation performed in a controlled atmosphere brazing is reviewed first. Aluminum brazing is considered as an example. This evidence includes the topology and morphology of a joint zone before and after joint formation. Based on understanding of involved phenomena, an analytical model of a molten metal micro layer of a sessile drop is discussed. A set of dimensionless parameters that governs the process is extracted from the model, and the orders of magnitudes of these parameters are assessed.
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Sekulic, D.P. (2008). Scaling of Molten Metal Brazing Phenomena: Prolegomena for Model Formulation. In: Saito, K. (eds) Progress in Scale Modeling. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8682-3_31
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DOI: https://doi.org/10.1007/978-1-4020-8682-3_31
Publisher Name: Springer, Dordrecht
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