Acknowledgements This study was supported by National Natural Science Foundation of China (Grant No. 51105033, 50975028, 51175133 ) and State Key Laboratory of Advanced Welding and Joining.
It meets some difficulties in the case of ultrasonic phased arrays testing for the nickel-based alloy welded joint, since the ultrasound will propagate with curvilinear paths in this kind anisotropic joint. Thus, it i...
Supported by the National Natural Science Foundation of China(50975028);"111"Project of China(B08043)
Hilbert transformation and improved ellipse localization method is applied in ultrasonic transducer array tomography to detect defect of metal plate.By combining the improved ellipse localization method and time-rever...
This study was supported by State Key Laboratory of Advanced Welding Production Technology and National Natural Science Foundation of China (Grant No. 50975028, 50775054).
Ultrasonic inspections on nickel-based alloy weldments meets some difficulties due to the curvilinear propagating paths will appear in both anisotropic and inhomogeneons welded joints. Thus, it is difficult to determi...