Zhejiang ultrasonic testing organization
Tianjin Rong Da Testing Co., Ltd. contact: Mr. Wang
Cell phone: 13102238283 QQ:3144667033
Tel: 022-23892103 WeChat: 13102238283
Characteristics of ultrasonic wave:
1, ultrasonic beam can be concentrated in a specific direction, in the medium along the straight line, with good directivity.
2, ultrasonic propagation process in the medium, will occur attenuation and scattering.
3, ultrasonic wave in the interface of heterogeneous media will produce reflection, refraction and wave type conversion. By using these characteristics, the reflected waves from the defect interface can be obtained, which can achieve the purpose of detecting the defects.
4, the ultrasonic energy is much larger than the sound wave.
5, the ultrasonic transmission loss in the solid is very small, the detection depth is large, due to the ultrasonic wave in the heterogeneous interface will occur reflection, refraction and other phenomena, in particular, can not be through the gas solid interface. If there are holes, cracks, delamination and other defects in the metal (gas) or inclusion, ultrasonic wave propagation to the interface between the metal and the defect, all or part of the reflection. Reflection of the ultrasonic wave is received by the probe, through the instrument inside the circuit processing, in the instrument's screen will show a different height and a certain distance of the waveform. The depth, position and shape of the defect can be judged according to the change characteristics of the waveform.
Ultrasonic testing is also called ultrasonic testing, Testing Ultrasonic abbreviation UT, ultrasonic flaw detection, is one of the five conventional nondestructive testing methods.
Non destructive testing is a test method, Testing Nondestructive (abbreviated NDT), which is used to check the surface and the interior quality without damaging the working condition of the workpiece or raw material.
Large testing company to provide you with professional ultrasonic testing services, personnel have the corresponding two, three certificates, but also related to the Pressure Vessel NDT certificate, welcome to come to consult