| Aspect | Immersion Ultrasonic Testing | Phased Array Ultrasonic Testing |
|---|
| Credentials | Level I/II Ultrasonic Certification | Level I/II Ultrasonic Certification, Phased Array Certification |
| Work Environment | Liquid immersion tanks, controlled environments | Similar environments, with advanced equipment for complex inspections |
| Industry Usage | Welding, aerospace, power generation | Welding, aerospace, power generation, especially complex geometries |
Immersion Ultrasonic Testing involves immersing the test object in a liquid medium for inspection, primarily detecting flaws in materials. Phased Array Ultrasonic Testing uses multiple ultrasonic elements to steer and focus the sound beam electronically, allowing for more detailed and faster inspections. Both require similar certifications and are used in comparable industries, but Phased Array offers enhanced imaging capabilities for complex parts.