Lack of fusion
Failure to establish fusion between weld metal and a relevant base-metal or weld-metal surface.
Also called: incomplete fusion
Material family: Nonwovens, filtration and industrial consumables
Where it matters
Investigate joint access, preparation and execution against the approved procedure.
Testing and verification
It is different from incomplete penetration and cannot be accepted or repaired from generic web advice.
Related guides
Related products and materials
Technical references
General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.