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Welding: Principles and Applicatio...
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Welding: Principles and Applicatio...
Why are some slags called refractory?
Refractory slag.
In FCA welding, a consumable tabular electrode containing flux, the flux itself protects the weld from atmosphere, producing bothgaseous as well as liquid slag protecting the weld.
Arc is produce between a continuously feed tabular wire electrode and work piece. Arc melts the end of the electrode and work piece.
Flux protects molten metal weld pool from the atmosphere so that atmospheric gases should not entrap in molten metal. Flux reacts with molten metal which Improves strength of weld through chemical changes in flux.
Addition of filler materials improves the strength and properties of the base metal...
Chapter 12 Solutions
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