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Monitoring of Älvkarleby test embankment dam using 3D electrical resistivity tomography for detection of internal defects
Electrical resistivity tomography (ERT) is a potential-based method for detecting internal erosion in the core of embankment dams using the...
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In-process thermal imaging to detect internal features and defects in fused filament fabrication
The objective of this work is to identify and measure in situ the embedded features in parts manufactured with a fused filament fabrication (FFF) 3D...
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Internal Defects Detection Method of the Railway Track Based on Generalization Features Cluster Under Ultrasonic Images
There may be several internal defects in railway track work that have different shapes and distribution rules, and these defects affect the safety of...
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Terahertz Spectroscopic Characterization and Thickness Evaluation of Internal Delamination Defects in GFRP Composites
The use of terahertz time-domain spectroscopy (THz-TDS) for the nondestructive testing and evaluation (NDT&E) of materials and structural systems has...
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A Method for Detection of Internal Defects of Dielectric Materials Based on Pulsed Electro-Acoustic Technique
BackgroundSeveral methods have been used to detect defects or debonds nondestructively in materials or construction. Each of these nondestructive...
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Internal Combustion Engine Diagnostics System Technical Implementation by Precision Chronometric Measurement Technology
This article analyzes the main existing diagnostics methods of the internal combustion engine (ICE), such as vibration method, analysis of physical...
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Detection of Defects in PCB Images by Separation and Intensity Measurement of Chains on the Board
The subtraction requires constant comparison with the input images. The developed approach automatically demonstrates defects and chains containing...
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Defects and Impurities in Silicon Materials
This chapter reviews the defects and impurities in Si materials. Most of the defects in Si crystal originate from point defects, which can be divided...
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Internal Defect Detection of Structures Based on Infrared Thermography and Deep Learning
Rapid and accurate detection of internal defects in bridges has always been a major concern of the management and maintenance departments. In the...
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Detection of Debonding Defects in Thermal Barrier Coatings by Long Pulse and Vibro-Thermography
Thermal barrier coatings (TBCs) are widely used in turbine blade for protection of superalloy substrate. Interfacial debonding will lead to serious...
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Progress and perspectives of joints defects of laser-arc hybrid welding: a review
Laser-arc hybrid welding (LAHW), being a high-efficiency with excellent properties of high welding speed, deep penetration, and good bridging...
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Intelligent Endoscopic Examination of Internal Openings for Drilling Quality Control
The paper presents an intelligent computer vision complex for drilling quality control using an endoscopic video camera to examine the internal...
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Defect measurement in CFRP drilling based on digital image processing
Drilling-induced burr and delamination are the main defects in carbon fiber–reinforced polymers (CFRPs). Although substantial CFRP defect measurement...
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Automated identification of steel weld defects, a convolutional neural network improved machine learning approach
This paper proposes a machine-learning-based methodology to automatically classify different types of steel weld defects, including lack of the...
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Bending Behavior of Rectangular Cross-Sectional Tube Considering Internal Fluid Pressure Effects
The objective of this research is to examine the influence of internal fluid pressure on the development of imperfections when quadrilateral tubes...
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PCB Defects
Printed circuit board is one of the most important element in the production of an electronic package. Improper fabrication can result in moisture...
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Analysis of Vibration Characteristics of Mechanical Defects in GIS Three-Position Switch Travel not in Place Based on Multi-point Information
Mechanical defects in the travel of three-position switches not in place are an important factor in the failure of GIS equipment and a serious threat...
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Data Processing of L-PBF Manufactured Lattice Structures for Geometric Defects Characterization
As the use of additive manufacturing becomes more widespread, companies’ interest in lattice structures keeps growing. This type of structure offers...
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Propagation form of internal cracks induced by continuous casting soft reduction and control strategy for internal quality
The propagation form of internal cracks induced by continuous casting soft reduction and the control strategy for enhancing the internal quality of...
