Ultrasonic Displays (5) Flashcards
1
Q
What are the three most common displays for Ultrasonic Inspection?
A
- A-scan
- B-scan
- C-scan
2
Q
A-Scan
A
Displays returned signals (pips)
- horizontal axis = time or distance (when calibrated)
- vertical axis = how much sound is being reflected back
3
Q
B-Scan
A
Displays a cross-sectional view of the part and any existing discontinuities
4
Q
What is an Encoder?
A
The device that creates a B-Scan
5
Q
C-Scan
A
Displays a plan view of the part, similar to an x-ray (uses colours to represent thickness).
- no information about depth or orientation of discontinuities
