In case of closed tubes and boxes, imperfections can be localised due to smallest changes of the internal pressure with the local deformation homogeneity. The example shows a stage of measurement to automatic or repeatable inspection of a carbon fiber tank (the box is a product of the MAN Technology AG and is inserted for aircraft and spacecraft/ Space Station ATV).

Robotplatform with Shearography sensor
Tank with pressure display on a rotary table

Measurement result example:
screen diagonal 200 mm
Size of prepared defect circa 8x8 mm²
- Inspection of a CFRP-tank - Rotor blade - Carbon fibre beam
- Vacuum chamber - Vibration excitation - GLARE-plates

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