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Rapid detection of cracks in the rail foot by ultrasonic B-scan imaging using a shear horizontal guided wave electromagnetic acoustic transducer

期刊: NDT & E INTERNATIONAL, 2021; 120 ()

Transverse cracks in the rail foot are responsible for the breaking of the rail. The existing non-destructive testing technology for high-speed railwa......

Frequency component mixing of pulsed or multi-frequency eddy current testing for nonferromagnetic plate thickness measurement using a multi-gene genetic programming algorithm

期刊: NDT & E INTERNATIONAL, 2021; 120 ()

For the efficient use of frequency components, a frequency mixed feature for pulsed eddy current testing (PECT) or multi-frequency eddy current testin......

Layer thickness measurement of the TRISO-coated particle based on U-Net

期刊: NDT & E INTERNATIONAL, 2021; 121 ()

Tri-structural Isotropic (TRISO) coated particles are the core fuel of high temperature gas-cooled reactors (HTGR), with four layers encasing the kern......

Time-frequency characteristics of longitudinal modes in symmetric mode conversion for defect characterization in guided waves-based pipeline inspection

期刊: NDT & E INTERNATIONAL, 2021; 122 ()

The converted modes generated by mode conversion in guided waves-based inspection can provide plenty of defect information, and the reasonable usage o......

The choice of the sweep-frequency rate for the probing wave in nonlinear-modulation method of crack detection in resonant samples

期刊: NDT & E INTERNATIONAL, 2021; 123 ()

Vibro-acoustic modulation (VAM) was a sensitive nonlinear method used to nondestructively detect crack-like defects in materials and structures. Howev......

Ray tracing method for ultrasonic array imaging of CFRP corner part using homogenization method

期刊: NDT & E INTERNATIONAL, 2021; 122 ()

A reliable nondestructive evaluation technique that can effectively detect and quantify the internal defects of corner parts in complex-shaped carbon ......

An automatic welding defect location algorithm based on deep learning

期刊: NDT & E INTERNATIONAL, 2021; 120 ()

Welding production has a pivotal role in the modern manufacturing industry. However, welding defects are frequently generated during the complex weldi......

Grain Size Estimation using phased array ultrasound attenuation

期刊: NDT & E INTERNATIONAL, 2021; 122 ()

Grain size is a key parameter for polycrystalline material affecting the mechanical properties. Ultrasonic attenuation method can be used to evaluate ......

Profile reconstruction and quantitative detection of planar defects with composite-mode total focusing method (CTFM)

期刊: NDT & E INTERNATIONAL, 2021; 123 ()

The profile reconstruction of planar defects by ultrasonic imaging is helpful for obtaining the flaw type, size, orientation and other characteristics......

Inverse reconstruction of fibre orientation in multilayer CFRP using forward FEM and eddy current pulsed thermography

期刊: NDT & E INTERNATIONAL, 2021; 122 ()

Eddy current pulsed thermography (ECPT) is an effective non-destructive testing technique for evaluating the integrity and safe operation of conductiv......

The use of full-skip ultrasonic data and Bayesian inference for improved characterisation of crack-like defects

期刊: NDT & E INTERNATIONAL, 2021; 121 ()

Ultrasonic arrays are often used to detect and characterise crack-like defects in the field of non-destructive testing. The ultrasonic scattering matr......

Energy selective X-ray diffraction: A novel method to obtain phase information of material in A vial

期刊: NDT & E INTERNATIONAL, 2021; 121 ()

Energy selective x-ray diffraction (ESXRD) is proposed as a means to identify the phase information of material in a vial. This method is based on the......

A novel design of window function modulated meander-line-coils EMATs for unidirectional Rayleigh waves generation and sidelobes suppression

期刊: NDT & E INTERNATIONAL, 2021; 123 ()

A new design of Window Function modulated electromagnetic acoustic transducers (EMATs) to generate unidirectional Rayleigh waves is proposed. The nove......

An enhancement framework based on gradient domain tone mapping and fuzzy logical for X-ray image of complex workpiece

期刊: NDT & E INTERNATIONAL, 2021; 121 ()

X-ray images of complex workpiece often suffer low brightness and contrast in industrial defect inspection. In this paper, we propose an enhancement f......

Comparative study of ultrasonic techniques for reconstructing the multilayer structure of composites

期刊: NDT & E INTERNATIONAL, 2021; 121 ()

The multilayer structure of fiber-reinforced polymers may be extracted by ultrasonic pulse-echo inspection. Depending on the employed ultrasonic frequ......

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