← Glossary
Butt weld
A butt weld lies in the plane of the parts and transfers force well across the weld. It is stable and avoids stress concentration.
Physical-Chemical Mechanism of Action
A butt joint forms a flat, straight connection between the metal parts. It creates no deep notches or fibers, which keeps the stress distribution uniform.
Metallurgical Relevance & Welding Risks
The butt joint is especially important for highly stressed components because it avoids cracks and stress concentrations. Incorrect execution can lead to uneven stress distribution and cause hot cracks or shear failure.
Shop Practice & Action Guidelines
When forming the joint, the pressing direction must be parallel to the joint axis. The surface should be smooth and straight to ensure uniform stress distribution. If the butt joint is missing or uneven, the component strength can be affected.
MetallurgieSchweißtechnik