The AWS WIT-T:2020 Welding Inspection Technology (6th Edition) serves as the primary, 411-page reference for welding inspection technology and the Certified Welding Inspector (CWI) exam. Published by the American Welding Society, this 2020 resource covers safety, metal joining, NDE methods, and metallurgy, with accompanying materials like the WIT-W:2020 workbook and updated 2021 safety standards. The official publication can be found at the AWS Bookstore . Welding Inspection Technology - Sixth Edition (2020)
Beyond ultrasound, researchers explored other novel approaches. One study successfully combined for comprehensive weld quality formation inspection. Another investigated the use of photodiodes to detect variations in part-to-part gap and weld penetration depth during remote laser welding, particularly for battery tab connectors—a critical application in the burgeoning electric vehicle industry. welding inspection technology 2020 pdf 2021