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Research on Total Internal Reflection Detection Technology for Subsurface Defects of Optical Elements Based on Spectral Confocal Principles
Published 2025-06-01“…It has become a key technology to realize the high-precision quantitative automatic detection of subsurface defects of optical elements. …”
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Deep Learning-Enhanced Electronic Packaging Defect Detection via Fused Thermal Simulation and Infrared Thermography
Published 2025-06-01Subjects: Get full text
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Reconstruction of defects in elastic bodies by combination of genetic algorithm and finite element method
Published 2016-06-01“…The results demonstrate adequacy of the additional information to overcome the problem ill-posedness, as well as high efficiency of the proposed algorithm both in accuracy of detecting defects parameters, and in their search speed.…”
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Research on Nondestructive Testing Method Based on Magnetic Characteristics of Electron Beam Weld Defects
Published 2025-06-01“…In view of the problems of poor safety, slow detection speed, and low accuracy of existing nondestructive testing (NDT) technologies, such as X-ray methods and ultrasonic detection in detecting electron beam weld defects in aluminum alloys, this study proposes a weak magnetic NDT method based on the geomagnetic field. …”
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Defect Location Analysis of CFRP Plates Based on Morphological Filtering Technique
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Mathematical model of the process for diagnosing defects in aircraft structure elements made of composite materials
Published 2024-11-01“…The scientific article is the result of a study aimed at creating a mathematical model for diagnosing defects in aircraft structural elements made of composite materials. …”
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Detection of Rail Defects Using Phased Array Ultrasonic Technique
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Detection of conveyor belt defects using unified diagnostic criteria.
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Techniques in detect selective leaching in metal components
Published 2025-03-01“…Due to the fact, Selective Leaching Detection Program is a requirement of the current national regulatory authority, there is a need to know the techniques for early detection of defects and failures in Structures, Systems and Components (SSCs) due to selective leaching, enabling immediate corrections and minimizing resources and replacements. …”
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Self-reference Lock-in Thermography for Detecting Defects in Metal Bridge Spans
Published 2022-07-01“…If the presence of this defect is confirmed during repeated examinations, it will be possible to diagnose hidden defects that have not yet come to the surface, and/or detect potentially collapsing places.Discussion and Conclusions. …”
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On detection of crack-like welding defects by existing quality control methods
Published 2021-04-01“…Welding defects were detected by standard quality control methods prescribed by the SPD and GOST standards.Results. …”
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Spatial information analysis of characteristics of soil trace element contents in high incidence areas of birth defects
Published 2008-11-01“…Based on the correlation analysis between the distribution of soil element contents and birth defects, to study the anomaly characteristics of soil elements in high incidence areas of birth defects, and provide scientific basis and new approach for the screening of sensitive factors that induce birth defects, two counties Zhongyang and Jiaokou of Shanxi Province were selected as research area, according to the investigation route and villages of epidemic, soil samples were collected in every village, the contents of 16 kinds of elements in the soil, Al, As, Ca, Cu, Fe, K, Mg, Mo, Na, Ni, Pb, Se, Sn, Sr, V, Zn were measured. …”
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Sparse Adaptive Optimization Based on Low Rank Decomposition for Image Defect Detection
Published 2025-01-01“…Extensive experiments on tasks such as defect detection and background reconstruction demonstrate that the proposed method outperforms existing approaches, achieving superior accuracy and robustness across various real-world scenarios.…”
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WELD DEFECT ANALYSIS IN A PRESSURE PIPELINES USING 2D AXISYMMETRIC FINITE ELEMENT ANALYSIS IN ABAQUS
Published 2025-03-01“…This study concludes the significance of carefully selecting mesh element types and sizes. Quadrilateral quadratic elements capture detailed stress distribution in the curved geometries. …”
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Applying Finite-Element and Boundary-Element Methods to Select Rational Design Version of Weld-Fabricated Bogie Frame Brackets of Locomotives and Railway Cars
Published 2015-10-01“…At the first stage general stressed state of a bogie frame as a whole is examined by applying finite-element method. At the second stage special features of 3D stress distribution within the individual bracket are studied in detail using boundary-element method with due regard for factors of geometric concentration of stresses within the potential welding defects zones. …”
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A Novel YOLOv10-Based Algorithm for Accurate Steel Surface Defect Detection
Published 2025-01-01“…To address challenges like manual processes, complicated detection methods, high false alarm rates, and frequent errors in identifying defects on steel surfaces, this research presents an innovative detection system, YOLOv10n-SFDC. …”
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Transfer Learning-Based Detection of Pile Defects in Low-Strain Pile Integrity Testing
Published 2025-07-01“…Low-strain pile integrity testing (LSPIT) is widely used for defect detection; however, conventional manual interpretation of reflectograms is both time-consuming and susceptible to human error. …”
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Fault Detection Enhancement in Rolling Element Bearings Using the Minimum Entropy Deconvolution
Published 2013-10-01“…Minimum Entropy Deconvolution (MED) has been recently introduced to the machine condition mon- itoring field to enhance fault detection in rolling element bearings and gears. MED proved to be an excellent aid to the extraction of these impulses and diagnosing their origin, i.e. the defective component of the bearing. …”
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