Surfacing weld geometry
Surfacing weld geometry refers to the contour and layer thickness distribution of applied protective or wear-resistant layers on a base material. It requires exact overlap of the beads to guarantee uniform hardness and thickness.
Physical-Chemical Mechanism of Action
Surfacing weld geometry describes the exact shape and layer thickness distribution of applied protective layers or wear-resistant layers on a base material. This geometry influences how well the layers interlock and bond.
Metallurgical Relevance & Risks in Welding
Inaccurate surfacing weld geometry can lead to inconsistencies in hardness and thickness. This can result in cracks, wear problems, or reduced component life. It is crucial that the beads overlap exactly to ensure a homogeneous bond.
Workshop Practice & Instructions
To ensure good surfacing weld geometry, the following steps must be observed:
1. Check contour and layer thickness: Ensure the contour of the layers is correct and the layer thickness distribution is uniform.
2. Overlap beads: The beads must overlap exactly to ensure a homogeneous bond.
3. Temperature control: Correct temperature control during welding is crucial to keep the hardness and thickness of the layers uniform.