Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison results of advantages and disadvantages.
| Method | Detection accuracy | Detection cost | Detection adaptability | Detection depth | Detection speed | Automation level (low=high score) |
|---|---|---|---|---|---|---|
| Ultrasonic testing | 9 | 4 | 6 | 9 | 5 | 5 |
| Magnetic particle Testing | 8 | 7 | 7 | 3 | 7 | 6 |
| Eddy current testing | 7 | 6 | 8 | 4 | 9 | 8 |
| Visual inspection | 6 | 9 | 5 | 2 | 8 | 9 |
