Open Access
Table 10.
Advantages and limitations of guided waves using EMAT bond inspection of Al-Sn alloy/steel bimetal strip.
Advantages | Limitations |
---|---|
Ultrasound directly interrogates and interacts with delamination. | Rigid mechanical integration required to avoid any lift offs between test specimen and probe. |
High reproducibility and repeatability, not dependent on operator. | High calibration effort. |
No requirement for coupling media or immersion bath. | No commercial system exists, need to be adapted for Al-Sn alloy/steel bimetal strip. |
Material surface irregularities do not affect the test results. | |
No mechanical loading required. | |
100% Volume inspection due to guided waves. | |
Low Signal-to-Noise ratio possible. | |
Fast automated inspection possible. |
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