Results 41 to 50 of about 65,788 (166)
International Journal of Advanced Robotic Systems, 2019 Composite workpieces, especially the complex-curved surfaces composite workpieces, have been increasingly used in different industries. Non-destructive testing of these parts has become an urgent problem to be addressed.
Canzhi Guo +4 more
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Application of Wavelet and EEMD Joint Denoising in Nonlinear Ultrasonic Testing of Concrete
Advances in Materials Science and Engineering, 2018 The health state of concrete is deteriorating during its service. Nonlinear ultrasonic detection based on the amplitude of the fundamental and the second harmonic is considered to be a powerful tool for the discovery of the microcrack in concrete ...
Zhichao Nie, Kui Wang, Mingjie Zhao
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Research of the ultrasonic testing parts reconditioned by welding
Metalurgija, 2016 The paper presents the results obtained following the nondestructive ultrasonic testing of crankpin shaft of a crankshaft that were reconditioned by welding. After the ultrasonic testing, the reconditioned samples were cut and subjected to visual testing
C. Petriceanu +5 more
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Journal of King Saud University: Engineering SciencesIn building inspection, traditional non-destructive testing methods have problems such as low efficiency and low accuracy. To improve the performance of non-destructive testing in buildings and achieve intelligent building automation testing, this study ...
Hongzhi Guo
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Jixie chuandong, 2013 The internal flaws in gearswhich occur during manufacturing and service have great effect on operation safety of equipments.A scheme of automatic ultrasonic testing based on the XYmotion platformis presented,and the corresponding automatic ultrasonic ...
吕铎, 杨岳, 李雄兵, 刘希玲
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Signal Separation in Ultrasonic Non-Destructive Testing
Acta Polytechnica, 2007 In ultrasonic non-destructive testing the signals characterizing the material structure are commonly evaluated. The sensitivity and resolution of ultrasonic systems is limited by the backscattering and electronic noise level commonly contained in the ...
V. Matz, M. Kreidl, R. Šmíd
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MachinesPerforming fatigue characterisation is often an expensive task, being both time consuming and expensive. Taking that into account, ultrasonic fatigue testing is an interesting solution, since it can be thousands of times faster than traditional ...
Felipe Klein Fiorentin +5 more
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Inverse Kinematic Analysis and Evaluation of a Robot for Nondestructive Testing Application
Journal of Robotics, 2015 The robot system has been utilized in the nondestructive testing field in recent years. However, only a few studies have focused on the application of ultrasonic testing for complex work pieces with the robot system. The inverse kinematics problem of the
Zongxing Lu +4 more
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Comparison between dog-bone and Gaussian specimens for size effect evaluation in gigacycle fatigue
Fracture and Structural Integrity, 2013 Gigacycle fatigue properties of materials are strongly affected by the specimen risk volume (volume of material subjected to a stress amplitude larger than the 90% of the maximum stress). Gigacycle fatigue tests, performed with ultrasonic fatigue testing
A. Tridello +3 more
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Tool Frame Calibration for Robot-Assisted Ultrasonic Testing. [PDF]
Sensors (Basel), 2023 Zhang H, Wang J, Guo C.
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