Open Access
Table 9.
Advantages and limitations of ultrasound C-scan bond inspection of Al-Sn alloy/steel bimetal strip.
| Advantages | Limitations |
|---|---|
| Ultrasound directly interrogates and interacts with delamination. | Time consuming and costly scanning required to inspect 100% of the material. |
| Well established technique in industry. | Poor reproducibility and repeatability. |
| No mechanical loading required. | Requirement for coupling media or immersion bath (difficult for in-line continuous testing). |
| Slow automated inspection possible. | Significant water/coupling media carry over. |
| High calibration effort. | |
| Highly skilled and/or experienced operator required. | |
| Difficulties to focus probe when material is moving. |
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