Non-Destructive Testing Training

Lesson 1 • Regulatory and Standards Framework

Introduces international NDT standards bodies and certification schemes. Students understand compliance requirements before applying any inspection technique.

Lesson 2 • NDT Method Selection Criteria

Teaches systematic decision-making for choosing the correct NDT method. Students apply selection logic to realistic material and geometry scenarios.

Lesson 3 • Safety in NDT Operations

Addresses hazards specific to NDT environments, including radiation and chemical exposure. Establishes safe work habits required throughout all practical modules.

Lesson 4 • Material Properties and Defect Types

Covers physical and mechanical material properties relevant to flaw detection. Links material behaviour to the types of discontinuities each NDT method targets.

Lesson 1 • Reporting and Documentation

Teaches structured reporting formats and photographic evidence standards. Accurate records form the compliance foundation for all NDT disciplines.

Lesson 2 • Principles of Visual Inspection

Explains light, contrast, and human visual perception as they apply to flaw detection. Establishes the scientific basis for all optical inspection procedures.

Lesson 3 • Direct Visual Inspection Techniques

Covers unaided and aided direct examination of accessible surfaces. Students practise systematic scanning patterns and surface preparation methods.

Lesson 1 • Surface Preparation for PT

Details cleaning methods required before penetrant application to ensure valid results. Improper preparation is the leading cause of missed indications in PT.

Lesson 2 • Penetrant Application and Dwell

Covers application techniques, dwell time variables, and excess removal methods. Students control each process step to maximise sensitivity and minimise false indications.

Lesson 3 • PT Physics and Chemistry

Explains capillary action, surface tension, and dye chemistry underlying penetrant testing. Understanding these principles ensures correct material selection and process control.

Lesson 4 • PT System Performance Checks

Introduces system performance verification using reference blocks and test panels. Routine checks ensure equipment and materials meet sensitivity requirements.

Lesson 1 • Magnetic Particle Media

Compares dry powder, wet visible, and fluorescent wet particle systems. Media selection directly affects sensitivity and suitability for surface conditions.

Lesson 2 • Indication Interpretation and Evaluation

Teaches classification of relevant, non-relevant, and false indications in MT. Students apply acceptance criteria from applicable standards to inspection findings.

Lesson 3 • Demagnetization and Post-Inspection

Explains residual magnetism risks and demagnetisation methods. Proper post-inspection steps protect component function and downstream processes.

Lesson 4 • Magnetism and Ferromagnetic Materials

Reviews magnetic field theory, permeability, and hysteresis as applied to MT. This physics foundation enables correct magnetisation technique selection.

Lesson 1 • Ultrasonic Wave Theory

Covers wave modes, velocity, wavelength, and acoustic impedance in solids. This physics foundation is prerequisite to all UT calibration and interpretation tasks.

Lesson 2 • UT Equipment and Transducers

Introduces flaw detectors, transducer types, and couplant selection. Students identify equipment components and their effect on signal quality.

Lesson 3 • Straight Beam Inspection Techniques

Covers normal incidence scanning for laminations, inclusions, and thickness measurement. Students perform systematic scans and record reflector positions accurately.

Lesson 4 • Calibration and Reference Standards

Teaches distance-amplitude correction and sensitivity calibration using reference blocks. Proper calibration is mandatory before any valid UT examination.

Lesson 1 • Radiation Physics and Sources

Covers X-ray generation, gamma-ray isotopes, and radiation interaction with matter. Understanding source characteristics enables correct exposure parameter selection.

Lesson 2 • Digital Radiography Methods

Introduces computed radiography and direct digital detector systems as film alternatives. Students compare image quality parameters between film and digital outputs.

Lesson 3 • Radiograph Interpretation

Develops systematic film reading skills for weld and casting discontinuities. Students classify indications and apply acceptance criteria from applicable standards.

Lesson 4 • Film Radiography Technique

Teaches film selection, exposure geometry, and darkroom processing for conventional RT. Students optimise technique variables to achieve required image quality indicators.

Lesson 1 • Surface and Subsurface Flaw Detection

Applies ECT to detect cracks, pitting, and corrosion in plates, welds, and tubes. Students interpret impedance plane signals and size indications.

Lesson 2 • Electromagnetic Induction Theory

Explains eddy current generation, impedance plane behaviour, and skin depth. This theory directly governs probe selection and frequency optimisation in ECT.

Lesson 3 • Conductivity and Coating Thickness

Uses ECT for material sorting by conductivity and non-conductive coating measurement. These applications extend ECT beyond flaw detection into material characterisation.

Lesson 4 • ECT Probes and Instrumentation

Covers absolute, differential, and reflection probe designs and their applications. Students match probe type and frequency to inspection requirements.

Lesson 1 • Time-of-Flight Diffraction

Explains TOFD geometry, diffraction signals, and accurate flaw height sizing. TOFD complements PAUT for precise through-wall sizing in weld inspections.

Lesson 2 • Multi-Method Inspection Planning

Teaches systematic integration of multiple NDT methods into a single inspection strategy. Students produce written inspection plans addressing coverage, sensitivity, and reporting.

Lesson 3 • Acoustic Emission Testing

Covers AE source mechanisms, sensor placement, and real-time monitoring during loading. AE detects active defect growth, complementing static inspection methods.

Lesson 4 • Guided Wave Testing

Introduces long-range guided wave propagation for pipeline and plate screening. Students understand mode selection and signal interpretation for screening applications.