Imaging Detection of Ultrasonic Guided Wave Array for Welded Structure of Chemical Pressure Vessel
The ultrasonic guided wave array imaging has great significance in the non-destructive testing technology of the welding structure plate of chemical pressure vessels.By discussing the principle of ultrasonic guided waves,the imaging principle of ultrasonic guided wave array imaging of the welding structure of chemical pressure vessels is elaborated.The research results show that the features of the weld seam image are relatively obvious,and the ultrasonic guided wave with a frequency of 0.5 MHz and a wavelength of about 3.2 mm,the ultrasonic guided wave array imaging can effectively characterize the information of the millimeter-scale defect scatterers in the welded structural plate that is equivalent to the wavelength size.The research work can provide ideas and support for the non-destructive testing and structural health monitoring of the welding structure of chemical pressure vessels.
chemical pressure vesselweld structuralultrasonic guided waves in platesarray imaging detection
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