supported by the National Natural Science Foundation of China(Grant No.51575134 and 51175113)
Electron beam welding (EBW) is a fusion welding process in which a beam of high-velocity electrons is applied to two materials to be joined. It is a complex high-temperature metallurgical process, and the quality of...
supported by the National Natural Science Foundation of China(51575134,51175113,51105033,51205083)
According to the principle of synchronous demodulation, the modulation informa- tion in the output signal of vibro-acoustic modulation test was investigated and the nonlinear interaction of sound and vibration with th...
This work was supported by the National Natural Science Foundation of China (Grant No. 51175113 ).
The shape of aluminum alloy extrudate used in high-speed train is complex, structural noises from the surfaces of the extrudate will be received when using ultrasonic phased array to detect the flaws in FSW. To solve ...