Glossary
Welded components for machines. Processes, definitions and quality rules

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Glossary


Welded components for machines. Processes, definitions and quality rules

Author : Alain MICHEL

Publication date: October 10, 2015, Review date: March 10, 2021 | Lire en français

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6. Glossary

non-destructive testing; contrôle non destructif

Physical examination method for detecting a continuity solution in a material. The examination may be :

  • surface such as visual (VT), or dye penetrant (RT);

  • superficial/subcutaneous such as magnetization (MT);

  • (or compactness) such as ionizing radiation (RT) or ultrasound (UT and its variants: TOFD, Phased Array ).

Zone fondue; weld metal

In fusion welding, a zone in which the metal (or alloy) has been momentarily brought to a liquid state (molten bath) and, after cooling to room temperature, presents a solidification structure, possibly modified by subsequent thermal cycle(s) of reheating + cooling in connection with multi-pass deposits....

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