Advantages, Disadvantages and Applications of Ultrasonic Inspection -
Advantages
1. It is a fast and reliable method of non-destructive inspection.
2. This method of locating flaws with metal objects is more sensitive than radiography.
3. The minimum flaw size which can be detected is equal to about 0.1 % of the distance from the probe to the defect.
4. Big weldments can be systematically scanned for initial detection of major defects.
5. Ultrasonic inspection involves low cost and high speed of operation.
6. The sensitivity of ultrasonic flaw detection is extremely high, being at a maximum when using waves of highest frequency.
