Results 21 to 30 of about 65,788 (166)
SensorsIn this study, we propose a method for optimizing the design of CMUT sensors using genetic algorithms. Existing CMUT sensors face frequency response and sensitivity limitations, necessitating optimization to enhance their sensing performance. Traditional
Sai Zhang +5 more
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Applied Sciences, 2020 The objective of this study is to compare the performance of different ultrasonic non-destructive testing (NDT) techniques for bonding quality evaluation.
Bengisu Yilmaz +3 more
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Fatigue Damage Evaluation of Compressor Blade Based on Nonlinear Ultrasonic Nondestructive Testing
Journal of Marine Science and Engineering, 2021 Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage ...
Pengfei Wang +4 more
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Ultrasonic Inspection Techniques Possibilities for Centrifugal Cast Copper Alloy
Archives of Foundry Engineering, 2017 The article deals with ultrasonic testing possibilities of the copper alloy centrifugal casts. It focused on the problems that arise when testing of castings is made of non-ferrous materials.
Konar R., Mician M.
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Phased array ultrasonic testing of gear tooth
Cogent EngineeringThis paper proposes a new testing method, phased array ultrasonic testing, for the internal defects of gear teeth, which can be used to inspect the teeth of final products, breaking the limitations of incomplete volume coverage of conventional ultrasonic
Liang Wang, Chenchen Ma
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Ultrasonic Testing Analysis of Concrete Structure Based on S Transform
Shock and Vibration, 2019 Ultrasonic testing analysis is a crucial scientific component during the process and interpretation of the ultrasonic detection signal. Focusing on the ultrasonic testing characteristics, the time-invariant spectral analysis method cannot meet the ...
Juncai Xu, Hai Wei
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Studies of Angular Resolution for Acoustic Arc Arrays
Sensors, 2023 Currently, phased arrays are increasingly used in ultrasonic nondestructive testing. One of the most important parameters of ultrasonic nondestructive testing with the application of phased arrays is the angular resolution.
Dmitry A. Sednev +5 more
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ActuatorsUltrasonic vibration-assisted machining is a promising technique for improving the removability of materials, especially for difficult-to-machine materials, but the material removal mechanism under ultrasonic vibration status is still far from clear ...
Yaming Huang +4 more
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Acoustic Field of a Linear Phased Array: A Simulation Study of Ultrasonic Circular Tube Material
Sensors, 2019 As ultrasonic wave field radiated by an ultrasonic transducer influences the results of ultrasonic nondestructive testing, simulation and emulation are widely used in nondestructive testing. In this paper, a simulation study is proposed to detect defects
Zhitao Xiao +6 more
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Nondestructive testing method of SiCp particle dispersion in SiCp/AZ91D magnesium matrix composites
Cailiao gongcheng, 2023 SiCp/AZ91D magnesium matrix composites are widely used in the aerospace field, but there is less report on the distribution of SiCp particles in SiCp/AZ91D magnesium matrix composites by ultrasonic testing methods at home and abroad.
HU Ke +4 more
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