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Developing Qualified NDT Procedures and the Technical Justification Process


Book Details


Michael Wright






Written by an expert NDT Research Scientist, this textbook provides essential guidelines for developing qualified NDT procedures. Documentation requirements and the process of creating a strong procedure are not commonly known to NDT personnel. Several topics are discussed in details in this book, including:

  • NDT Documentation: Written instructions, procedure components, technical justifications, training plans, experiments and studies as stipulated in qualification standards. Also, the recommended contents and purpose for each document are discussed.

  • Technical Justification: Essential and influential parameters are listed for both Eddy Current Testing and Ultrasonic Testing methods. Common studies required in technical justification documents are shown with real examples.

  • Probability of Detection Evaluation: The mathematics of probability of detection is discussed in great detail. Every common POD model is solved from first principles. Model-Assisted Probability of Detection algorithms and usage techniques are explained, from model selection to performance optimization.

  • NDT Studies & Experiments: Guidance is provided for performing, analyzing and reporting a variety of NDT Studies and Experiments. Several real example studies for noise, coverage, POD, probability of false call, and modelling examples for both ECT/ECAT and UT/PAUT are included. 

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