Table 1.
Summary of the Applicability of Each Nondestructive Testing Technique
| NDT | Real defects |
Artificial defects |
|||
|---|---|---|---|---|---|
| Pores | Cracks | Lack of fusion | FBH | Horizontal hole | |
| DP |
|
|
|
|
|
| IR |
|
|
|
|
|
| US |
|
|
|
|
|
| EC |
|
|
|
|
|
| CT |
|
|
|
|
|
: not possible; : possible; /: usually possible/not possible, but it depends on the position or orientation of the defect.
CT, computed tomography; DP, dye penetrant; EC, Eddy currents; FBH, flat bottom hole; IR, infrared; NDT, nondestructive testing; US, ultrasonic.