While not a volumetric inspection, 2020 standards recognized that cap height and undercut are predictors of fatigue failure. Laser scanners produced 3D surface maps, with pass/fail criteria automatically inserted into a welding inspection technology summary PDF.
There was increased interest in Eddy Current Array (ECA) technology for surface and near-surface inspections.
1.1 Evolution of the Inspector
1.2 The 5 Pillars of Inspection (2020 Hierarchy)
Mandatory data points per AWS B5.1:
Software examples: WeldNote, Zetec, Inspection Manager.
To reduce human exposure to hazardous environments and mitigate travel restrictions, companies deployed robotic crawlers. welding inspection technology 2020 pdf
Despite advances, three challenges remained unresolved in 2020, as noted in many industry PDF surveys:
The American Petroleum Institute updated its welding standard for pipelines to include acceptance criteria for AUT (Automated UT). The redline PDF showing changes from 2019 to 2020 is particularly valuable. While not a volumetric inspection, 2020 standards recognized
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