TOFD Testing | Time of Flight Diffraction | Weld Volumetric Inspection | Atlantis NDT

Complete guide to TOFD testing (time of flight diffraction): diffraction physics, D-scan interpretation, lateral wave and back wall reference signals, dead zone, ASME V Article 4 Mandatory Appendix III, EN ISO 10863, BS 7706. TOFD vs PAUT vs radiographic testing comparison. Specialist TOFD training and ASME Appendix III procedure development from Atlantis NDT.