After studying the development of ultrasonic nondestructive testing and its application, an experimental system using ultrasonic echo to detect the defects was established and experiments were conducted to detect defects perpendicular to the surface of steel block. This paper also does ultrasonic testing signal analysis and studies ways to determine the defect size. The main works are the followings:
To achieve the classification of ultrasonic flaw signals, an experiment system with OmniScan MX UT port...
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