CALCULATION AND MEASUREMENT OF ULTRASONIC ATTENUATION FOR DISTRIBUTED CRACKS IN A SOLID

机译：固体中分布裂纹的超声衰减计算与测量

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A cement-based specimen that contains penny shaped cracks is prepared and experimental measurements of scattered waveforms are performed. After the processing of measured waveforms, the ultrasonic attenuations are obtained and compared with the numerically calculated attenuations. Relatively good agreement is confirmed for the measured and numerically calculated attenuations in the range of transducer bandwidth.

机译：准备了一个水泥模型的标本，其中包含一个便士形的裂缝，并进行了散射波形的实验测量。在处理所测量的波形之后，获得超声衰减并将其与数值计算的衰减进行比较。对于换能器带宽范围内的测量和数值计算的衰减，确认了相对较好的一致性。

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《Review of Progress in Quantitative Nondestructive Evaluation》|2003年|p.1156-1163|共8页
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M. Kitahara; T. Takahashi;
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中图分类机械、仪表工业;
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CALCULATION AND MEASUREMENT OF ULTRASONIC ATTENUATION FOR DISTRIBUTED CRACKS IN A SOLID

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