1. Physical principles
Brazing is governed by three fundamental physical principles, which are entirely interrelated. Only the combination of these three principles can result in a quality brazed joint that meets all industrial specifications (mechanical strength, corrosion resistance, appearance, cost...).
1.1 Mooring
Wetting, in the context of brazing, corresponds to the spreading of the filler metal alloy on a metal and/or ceramic surface, when brought to a liquid state and under satisfactory operating conditions (surface preparation, atmosphere, temperature, etc.). Wetting is characterized by the angle formed by the filler alloy and the substrate on which it is applied. In all cases, we aim for the smallest possible wetting angle (figure...
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Physical principles
Filler alloy
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