Joint Preparation Geometry

Joint preparation geometry defines the groove shape and bevel angles to guarantee full penetration and complete fusion. It affects lack of fusion and residual stresses.

Physicochemical mechanism of action

The joint preparation geometry determines the shape of the groove and the slope of the flank angles. A correctly shaped weld metal results in a uniform welding process, preventing porosity and cracks.

Metallurgical relevance & risks during welding

Insufficient or incorrect joint preparation can lead to lack of fusion and increased weld stresses. This can result in cracks, distortion, and reduced weld strength.

Workshop practice & action instructions

The groove should be round and the flank angles should be 45-60 degrees. Precise preparation ensures a uniform weld, prevents porosity, and increases the mechanical strength of the joint.

MetallurgieSchweißtechnik