What is one advantage of using a phased array over conventional ultrasound?

The advantage of using a phased array over conventional ultrasound is that it allows for multiple angles of view in one scan. This capability is due to the design of phased array transducers, which consist of multiple elements that can be electronically controlled to steer the ultrasound beam in different directions without the need to move the transducer physically. This ability to manipulate the angle of the beam offers advantages in terms of flexibility and efficiency during inspections, as it enables comprehensive scanning of a target area from various perspectives in a single maneuver. This multi-angle capability can lead to better detection of flaws and a more thorough assessment of the material being tested.

In contrast, complexity in interpretation is not inherently an advantage; in fact, the additional data from phased arrays may require skilled interpretation. Phased array equipment being less portable is generally considered a disadvantage, as advanced equipment often requires more setup and space. Additionally, while phased array systems do require calibration, they don’t eliminate the need for it, particularly to ensure measurement accuracy and consistency over time.