Advantages and limitations of ultrasound C-scan bond inspection of Al-Sn alloy/steel bimetal strip.
|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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