Ultrasonic non-destructive characterization method for structure uniformity of non-uniform medium
A non-homogeneous medium, uniform tissue technology, used in the analysis of solids using sonic/ultrasonic/infrasonic waves, material analysis using sonic/ultrasonic/infrasonic waves, and processing response signals of detection, etc. It can solve the problem that tissue uniformity information is difficult to effectively decouple , ultrasonic scattering mechanism is complex, scatterer morphology is irregular, etc., to achieve good promotion and application prospects, overcome nonlinear and ill-posed problems, and easy to achieve.
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[0046] Below in conjunction with accompanying drawing and embodiment the patent of the present invention is described further.
[0047] The experimental sample in this example is the AlSi-polyester sealing coating sample 5. This non-destructive ultrasonic characterization method for the uniformity of the heterogeneous medium structure uses an ultrasonic flaw detector 2, a water immersion ultrasonic probe 4, a digital oscilloscope 3, a three-dimensional precision The ultrasonic pulse echo detection system (such as figure 1 As shown), the water immersion ultrasonic probe 4 is electrically connected to the three-dimensional precision motion device 1, the ultrasonic flaw detector 2 and the AlSi-polyester sealing coating 5, the three-dimensional precision motion device 1 and the ultrasonic flaw detector 2 are electrically connected to the digital oscilloscope 3, and the digital oscilloscope 3 Electrically connect computer 6 . The method takes the following steps:
[0048] a) Samp...
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