SpatterSpatter takes the form of small particles of metal, which are ejected from the arc or the weld pool and adhere to the surface of the material being joined. Spatter may be unacceptable for purely cosmetic reasons, it may inhibit the application of surface coatings and it may initiate corrosion. Spatter usually results from some form of process instability and is exacerbated by the incorrect choice of operating parameters, such as too high a welding voltage. The level of spatter may be reduced by careful selection of operating parameters, and process.
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