What is a metallic ring test?

Updated: 4/28/2022
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12y ago

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A very simple test for delamination in a bonded structural component. The material is tapped with a coin, and the sound is noted. If the sound is a clear metallic ringing, the material is good, and there is no delamination. But if the tapping produces a dull thudding noise, there is a good possibility that the laminations of which the material is made have begun to separate

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Q: What is a metallic ring test?
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