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Oct 31, 2024
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2024-2025 College Catalog
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NDT 209 - Phased Array (PAUT) I and II 3 Credits, 3 Contact Hours 3 lecture periods 0 lab periods Provides students with a basic knowledge of phased array ultrasonic testing (PAUT) consistent with other methods, and to acknowledge PAUT as unique enough to warrant an additional body of knowledge and qualification requirement.
Prerequisite(s): NDT 206
Course Learning Outcomes
- Demonstrate proficient knowledge of phased array and advanced ultrasonic testing.
- Demonstrate proficient knowledge of the application of phased array.
- Demonstrate proficient knowledge of how to set up and calibrate NDT equipment.
- Demonstrate proficient knowledge and basic understanding of ultrasonic theory.
Outline:
- Introduction
- Terminology of PAUT
- History of PAUT- medical ultrasound, etc.
- Responsibilities of levels of certification
- Basic Principles of PAUT
- Review of ultrasonic wave theory - longitudinal and shear-wave
- Introduction to PAUT concepts and theory
- Phasing
- Beam scanning patterns
- Delay laws and focal laws
- Imaging
- Dynamic depth focusing
- Equipment
- Computer based systems
- Focal law generator
- Probes
- Wedges
- Scanners
- Testing Techniques
- Linear scans
- Sectorial scans
- Electronic scans
- Standardization
- Active element and probe checks
- Wedge delay
- Velocity
- Exit point verification
- Refraction angle verification
- Sensitivity
- DAC, TCG, TVG, and ACG variables and parameters
- Effects of curvature
- Focusing effects
- Beam steering
- Acquisition gates
- Data Collection
- Single probes
- Multiple probes
- Multiple groups or multiplexing single/multiple probes
- Non-encoded scans
- Encoded scans
- Zone discrimination
- Scan plans
- Probe offset and indexing
- Procedures
- Specific applications
- Material evaluations
- Composites
- Nonmetallic materials
- Metallic materials
- Base material scan
- Bar, rod, and rail
- Forgings
- Castings
- Component evaluation
- Complex geometrics
- Weld inspection
- Data presentation
- Standard
- Other
- Data evaluation
- Codes
- Flaw characterization
- Flaw dimensioning
- Geometry
- Software tools
- Evaluation gate
- Reporting
- Imaging outputs
- Onboard reporting tools
- Plotting, ACAD, etc.
Effective Term: Fall 2023
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