197 Result(s)
within
English
Engineering
Characterization and Evaluation of Materials
Solid Mechanics
Vibration, Dynamical Systems, Control
**hu Li
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Article
Intelligent Extraction of Surface Cracks on LNG Outer Tanks Based on Close-Range Image Point Clouds and Infrared Imagery
Most of the studies on oil tanks have focused on the analysis of deformation and settlement, and more research needs to be done on crack extraction from external LNG tanks.
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Article
Efficient Localisation of Impact Load for Composite Structure Based on Response Similarity Search and Optimisation
Composite materials have been extensively used in various industry fields due to their distinguishing characteristics. However, low-velocity impact loads would undermine the mechanical properties of composite ...
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Article
X-Ray Digital Image Correlation: A Reliable Method for Deformation Measurement at 1000 °C
Digital image correlation (DIC) is widely used as a noncontact optical deformation measurement method. However, optical DIC encounters difficulties when measuring displacement and strain at high temperatures, ...
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Article
A Ring-Projection-Based Two-Scale Approach for Accurate Digital Image Correlation of Large Translations and Rotations
Digital image correlation (DIC) has been widely used for motion tracking and estimation, however, the process is often sensitive to the initial guess, especially under large translations and rotations.
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Article
A Highly Efficient and Lightweight Detection Method for Steel Surface Defect
The detection of steel surface defects is of great significance to steel production. In order to better meet the requirements of accuracy, real-time, and lightweight model, this paper proposes a highly efficie...
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Article
Automatic Defect Classification for Infrared Thermography in CFRP based on Deep Learning Dense Convolutional Neural Network
Carbon fiber reinforced polymer (CFRP) is an important composite material widely used in aerospace and other industries. However, long-term service in harsh environments can lead to various defects such as deb...
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Article
A New Apparatus for Testing Shear-Slip Properties of Rock Joint Subjected to Dynamic Disturbance
To evaluate the stability of jointed rock masses subjected to dynamic disturbance, laboratory dynamic shear test on rock joint is necessary. Develo** dynamic shear test equipment for rock joint is currently ...
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Article
Micromagnetic and Quantitative Prediction of Yield and Tensile Strength of Carbon Steels Using Transfer Learning Method
This study investigates the correlation between various micromagnetic signature patterns and the yield and tensile strengths of carbon steel (Cr12MoV steel as per Chinese standards). For this purpose, back-pro...
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Article
Electromagnetic-Acoustic Sensing-Based Multi-Feature Fusion Method for Stress Assessment and Prediction
Manufacturing and online service of ferromagnetic materials easily induce local stress concentrations and then generate cracks. Research on in-service inspection of stress status is an important criterion for ...
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Article
Research on Identification Method of Cable Cross-Sectional Loss Rates Based on Multiple Magnetic Characteristic Indicators
The identification of cross-sectional loss in cables due to corrosion is crucial for evaluating the remaining strength of bridge cables. To accurately determine the cross-sectional loss rate, this paper derive...
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Article
Depth Accurate Prediction and Kerf Quality Improvement of CFRP Through-Hole Laser Cutting via Acoustic Emission Nondestructive Monitoring Technology
Acoustic emission (AE) technology is an effective method for monitoring the quality of carbon fiber reinforced plastic (CFRP) laser cutting. It is a challenge to decipher the formation mechanism because of the...
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Article
Reconstruction of Metal Defect Images Based on the Sensitivity Matrix of High Conductivity Initial Estimate for Eddy Current Tomography
Eddy current testing is one of the conventional non-destructive testing (NDT) technologies which is widely used in metal defects detection. Defect imaging by eddy current tomography (ECT) has advantages of vis...
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Article
Ultrasonic Lamb Wave Damage Detection of CFRP Composites Using the Bayesian Neural Network
Composite plates are susceptible to various damages in complex conditions and working environments, which may reduce the reliability of the structure and threaten equipment and personal safety. Thus, the imple...
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Article
Defects Imaging in Corner Part with Surface Adaptive Ultrasonic and Focusing in Receiving (FiR) Strategy
A weak circumferential resolution of defects in the corner part of engineering components brings great challenges to quantitative non-destructive testing. Especially for the corner of carbon fiber reinforced p...
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Article
Defect Width Estimation of Magnetic Flux Leakage Signal with Wavelet Scattering Transform
The magnetic flux leakage (MFL) technique is widely employed for nondestructive testing of ferromagnetic specimens and materials, including wire ropes, bridge cables, and pipelines. As regards the MFL testing,...
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Article
A Label-Free Measurement Method for Plane Stress States in Optical Isotropic Films with Spectroscopic Ellipsometry
Stress measurement for thin films is crucial in a variety of fields such as in semiconductor manufacturing, the optoelectronics industry, and biomedical science, among others. However, most measurement methods...
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Article
Piezomagnetic Behaviour of Wire Arc Additively Manufactured Steel Single-lap Shear Bolted Connections
In this paper, the piezomagnetic response of single-lap shear failure of wire arc additively manufactured (WAAM) steel bolted connections was investigated. It aims to explore the use of piezomagnetic measureme...
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Article
A Method for Non-destructive Detection of Moisture Content in Oilseed Rape Leaves Using Hyperspectral Imaging Technology
This study assessed the viability of using hyperspectral imaging (HSI) technology for nondestructive detection of moisture content in oilseed rape leaves. Besides, a method (IVISSA-iPLS) coupling interval vari...
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Article
Quantitative Evaluation of Interfacial Defect Size and Pattern by Solving a 3D Inverse Problem Based on Step Heating Thermography
Active infrared thermography is proved to be viable and attractive for non-destructive evaluation of interfacial defects like delaminations in a coating-substrate system. But it is a challenging task to accura...
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Article
Research on Strain Modulation of Spectral Reflectance in Soft Materials
Strain on soft materials plays a fundamental role in understanding the mechanical behavior of engineering soft machines and devices. However, it is challenging to noninvasively measure strain distribution on s...
