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Plate tapping test

Tap testing an NDT Technique “Tap Test is an old and simple technique to inspect composite materials. Its main objective is to detect discontinuities, especially detachments and delaminations.” Reference : linkspringer . com One of the disadvantages of composite is detecting the damage and its extent. Tap testing is one of the simplest and requires no extra equipment. You mark it in a 10mm × 10mm grid. Coin tap testing involves tapping in a regular manner and listening for a dull or dead sound,