1. Large inclusion in an aluminothermic rail weld
2. Defects in newly produced Printed Circuit Boards
3. Delamination in an in-service wind turbine blade.
4. wall thickness of an insulated pipe in a nuclear power plant without removing the insulation
5. for continuously assessing fatigue crack growth in steel during a test.
6. to check the quality of the welded sample (in a short time)
Dr.O.P. Gupta
Ultrasonic testing (with proper probes and equipment)
may be the answer for most of these situations (except the pcb).
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