Non-Destructive Testing Fundamentals
Explore the purpose and basic capabilities of common non-destructive testing methods used to detect surface or internal discontinuities without destroying the part.
Work context
Material and weld inspection
This page shows technical knowledge coverage. Course, assessment and credential availability depends on the applicable Industrial Skillset program.
Relevant roles
Quality inspectors · Welding inspectors · Manufacturing engineers · Maintenance technicians
Prerequisites
Engineering drawings · Basic material knowledge
Knowledge level
Intermediate coverage with practical workplace context.
Learning outcomes
What this topic is intended to help you understand
- Differentiate visual, penetrant, magnetic particle, ultrasonic and radiographic methods at a conceptual level.
- Recognize which defect types and materials suit different NDT methods.
- Understand the importance of qualified procedures and personnel.
Technical scope
Equipment, processes and terminology
- Visual testing
- Liquid penetrant
- Magnetic particle
- Ultrasonic testing
- Radiographic testing
- Acceptance criteria
- Indications versus defects
Workplace practice
How the subject connects to industrial work
- Verify method and acceptance criteria
- Prepare inspection area
- Maintain traceability
- Escalate rejectable indications
Quality and safety
Controls that protect people, product and process
- Method-specific hazards
- Radiation controls where applicable
- Chemical handling
- Qualified personnel requirements
Technical learning supports understanding. Actual work remains governed by site procedures, machine-specific instructions, engineering requirements, supervision and authorization.
Industrial documents
Documents commonly connected to this subject
- NDT procedure
- Inspection report
- Engineering drawing
- Acceptance standard