| 摘要 |
PROBLEM TO BE SOLVED: To provide a measuring device capable of easily measuring a structural damping coefficient of a material by simple constitution. SOLUTION: This measuring instrument is provided with sample suspending means 2, 3, 11 for suspending a sample, hammering means 6, 7, 8 for hammering the suspended sample, a microphone 4 for collecting a hammering sound, a control equipment 9 for finding the structural damping coefficient of the sample based on a collected vibration waveform, and a display means 10 for displaying a found result.
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