Weld Metal Dilution
Weld metal dilution is the proportion of melted base material in the total weld metal. It affects the chemical composition and the technological properties of the weld.
Physical-Chemical Mechanism of Action
Dilution refers to the percentage of base material in the total weld metal. This proportion determines the chemical composition and the properties of the resulting weld.
Metallurgical Relevance & Risks in Welding
Inaccurate dilution can lead to imbalances in the chemical composition. This can result in porosity, loss of strength and toughness, as well as hot cracking or glass-hard microstructures. Correct dilution is crucial for a high-quality weld.
Workshop Practice & Action Guidelines
Make sure the base material and fillers are thoroughly mixed to achieve the specified chemical composition. Keep a constant eye on dilution and ensure even distribution of all components. If you have any questions about proper dilution, always check the manufacturer's datasheet for the welding consumable you're using.