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Corrugated expansion joint test

A corrugated expansion joint is a flexible, cylinder shape element made from thin metal sheet for balancing movement in pipeworks which are caused in particular by vibrations or thermal extensions or shortenings. Due to the constant alternating loads, there can be damages in the form of cracks which can cause the component to fail and cause critical leakages. For testing this complex geometry, DELTA TEST has developed a probe system which detects cracks and other material inhomogeneities in the vulnerable areas.