The Applications of Ultrasonic Testing for PE Pipe
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摘要: 测量了PE管的纵横波声速及PE管热熔焊缝声衰减系数,确定了PE管材料的声学性能。采用小波域去噪理论去除噪声,提高了检测回波的信噪比。试验表明,超声检测方法适用于PE管热熔焊缝的焊接质量检测。Abstract: By measuring the longitudinal and shear wave velocity of PE pipe and its ultrasonic attenuation of hot-melt weld, the acoustic properties of PE pipe was determined. Wavelet denoising technique was used to remove noise, and it improved the monitoring of the echo signal-to-noise ratio. Experiments showed that ultrasonic testing method was suitable for the weld quality testing of PE pipe.
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Keywords:
- Ultrasonic testing /
- PE pipe /
- Sound velocity /
- Ultrasonic attenuation /
- Signal processing
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