Open Access

Table 8.

Advantages and limitations of shearography bond inspection of Al-Sn alloy/steel bimetal strip.

Advantages Limitations
Full-field inspection. Difficulty to apply mechanical loading without rigid-body movement in-line/limited to laboratory.
Contactless inspection. Potential to miss flaws due to matt and/or reflecting surface.
Revealing flaws in seconds. Highly skilled and/or experienced operator required.
Information about criticality of flaw. Signal interpretation can be ambiguous.

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