The Questions Every NDT Inspector Asks — Finally Answered : NDT Field Guide - MPI & FPI
MPI vs DPT/FPI: The Complete NDT Inspector's Field Guide | Magnetic Particle & Dye Penetrant Testing Trinity NDT Field Guide · MPI & DPT/FPI The Questions Every NDT Inspector Asks — Finally Answered A comprehensive, technically-rigorous deep-dive into Magnetic Particle Inspection (MPI) and Dye Penetrant / Fluorescent Penetrant Inspection (DPT/FPI) — covering every question that goes unanswered in forums. Non-Destructive Testing Weld & Component Inspection ASTM / ASME / ISO Aligned Updated June 2026 Jump to 01 Fundamentals 02 Which Method? 03 MPI Deep Dive 04 DPT Deep Dive 05 Indications 06 Temperature 07 Demagnetization 08 Certification 09 Quick FAQ Walk into any NDT forum — ndt.net, LinkedIn groups, Reddit's r/NDT, or the ASNT community boards — and you'll find the same questions repeated, often wi...