Method for laser welding end faces
Abstract:
A method for laser welding the end faces of joints of two connecting flanges, which are held against each other, of two connecting partners made from a steel material, of which at least one is provided with a metallic coating with an evaporation temperature that is below the melting temperature of the steel material. The method is carried out such that, for the process of laser welding, the connecting flanges of the two connecting partners are held against each other enclosing an angle that opens pointing in a direction from the joint side on which the laser is applied, as a result of which a degassing gap, which increases in the direction of heat introduction, is provided between the connecting flanges, through which degassing gap evaporation products of the coating material resulting from the introduction of heat are carried off.
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