Temperature Effects on Nonlinear Ultrasonic Guided Waves. [PDF]
Materials (Basel), 2023 Nonlinear ultrasonic guided waves have attracted increasing attention in the field of structural health monitoring due to their high sensitivity and long detection distance. In practical applications, the temperature of the tested structure will inevitably change, so it is essential to evaluate the effects of temperature on nonlinear ultrasonic guided ...
Niu X, Zhu L, Yang W, Yu Z, Shen H.
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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 +2 more
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Research Progress in Nonlinear Ultrasonic Testing for Early Damage in Metal Materials [PDF]
Materials, 2023 There are some limitations when conventional ultrasonic testing methods are used for testing early damage in metal parts. With the continuous development of acoustics and materials science, nonlinear ultrasonic nondestructive testing technology has been ...
Xiaoling Yan
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Nonlinear Ultrasonic Imaging for Porosity Evaluation. [PDF]
Sensors (Basel), 2023 The influence of porosity on the mechanical behaviour of composite laminates represents a complex problem that involves many variables. Therefore, the evaluation of the type and volume content of porosity in a composite specimen is important for quality control and for predicting material behaviour during service.
De Simone ME +3 more
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Energy Transfer Efficiency Based Nonlinear Ultrasonic Testing Technique for Debonding Defects of Aluminum Alloy Foam Sandwich Panels [PDF]
Sensors, 2023 In order to improve the accuracy of detection results of debonding defects of aluminum alloy thin plate, the nonlinear ultrasonic technology is used to detect the simulated defect samples, aiming at problems such as near surface blind region caused by ...
Jun Tu +4 more
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The nonlinear dynamics of flexural ultrasonic transducers [PDF]
Proceedings of Meetings on Acoustics, 2019 Dynamic nonlinearity can manifest as changes in characteristic properties of a vibrating system in response to variations in excitation. This study investigates the nonlinearity in the vibration response of the flexural ultrasonic transducer. This device is typically employed for industrial measurement, but little is known about the influence of ...
Feeney, Andrew +3 more
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Characterization of Nonlinear Ultrasonic Diffuse Energy Imaging [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2018 Nonlinear ultrasonic diffuse energy imaging is a highly sensitive method for the measurement of elastic nonlinearity. While the underlying principles that govern the technique are understood, the precise behavior and sensitivity have not previously been quantified. This paper presents experimental, theoretical, and numerical modeling studies undertaken
Jack Potter, Anthony J. Croxford
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Debonding Detection in Hidden Frame Supported Glass Curtain Walls Using the Nonlinear Ultrasonic Modulation Method with Piezoceramic Transducers [PDF]
Sensors, 2018 Debonding defects are common and they are the main reason for the failure of hidden frame supported glass curtain walls, which are widely used as an external enclosure and decorative structure. In this paper, a debonding detection method for hidden frame
Xiaobin Hong +3 more
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Research on Fatigue Damage in High-Strength Steel (FV520B) Using Nonlinear Ultrasonic Testing
Shock and Vibration, 2020 In view of the early fatigue damage of high-strength steel FV520B, a nonlinear ultrasonic detection was performed on two types of fatigue samples using nonlinear Lamb waves.
Bingbing Chen +4 more
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Preliminary Research on the Nonlinear Ultrasonic Detection of the Porosity of Porous Material Based on Dynamic Wavelet Fingerprint Technology [PDF]
Sensors, 2019 Porosity is an important characteristic of porous material, which affects mechanical and material properties. In order to solve the problem that the large distribution range of pore size of porous materials leads to the large detection errors of porosity,
Xianghong Wang +3 more
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