Phased Array Ultrasonic Testing
It is an advanced method of ultrasonic testing and can be used for a multitude of different inspection tasks.
This method is an advanced NDT method that is used to detect discontinuities i.e. cracks or flaws and thereby determine component quality. Due to the possibility to control parameters such as beam angle and focal distance, this method is very efficient regarding the defect detection and speed of testing. Apart from detecting flaws in components, phased array can also be used for wall thickness measurements in conjunction with corrosion testing.
- It allows for faster examinations compared to manual ultrasonic testing. Information can be displayed in multiple display formats (for example, A, B, C and D scans), which help in more accurate interpretation of flaws.
- The data can also be captured and stored so it can be reviewed by the inspector and used for future reference and inspections.
- A further benefit of phased array is safety. There is no radiation or environmental hazards compared to radiography. With phased array there is no need to shut down operations due to radiation exposure so there is less wasted man hours and increased production.
Phased array can be used for the following industrial purposes:
Volumetric inspection of forging or casting materials
Erosion and corrosion mapping
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