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Multi-parameter approximation of stress field in a cracked specimen using purpose-built Java applications
Published 2015-06-01“…Considering the fact that in the case of elastic-plastic and especially quasi-brittle materials the size of this zone is substantial in comparison to the specimen dimensions, it is necessary to take a large region around the crack tip into account for this task. An automatic utility created to determine the values of coefficients of the higher order terms of Williams power series by usage of over-deterministic method applied on results of finite element analysis of arbitrary mode I test geometry is one of the tested procedures. …”
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82
Fatigue crack growth of composite patch repaired Al-alloy plates under variable amplitude loading
Published 2018-01-01“…In this paper, fatigue crack growth of edge crack in 2024 T351 aluminum alloy plate repaired with bonded composite patch under constant and variable amplitude loading (VAL) was predicted. …”
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83
Experimental investigation of crack initiation and propagation in high- and gigacycle fatigue in titanium alloys by study of morphology of fracture
Published 2015-12-01“…Fatigue (high- and gigacycle) crack initiation and its propagation in titanium alloys with coarse and fine grain structure are studied by fractography analysis of fracture surface. …”
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84
Fatigue crack growth of composite patch repaired Al-alloy plates under variable amplitude loading
Published 2017-12-01“…In this paper, fatigue crack growth of edge crack in 2024 T351 aluminum alloy plate repaired with bonded composite patch under constant and variable amplitude loading (VAL) was predicted. …”
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85
An Advanced Otsu Method Integrated with Edge Detection and Decision Tree for Crack Detection in Highway Transportation Infrastructure
Published 2021-01-01“…This paper developed an improved Otsu method integrated with edge detection and a decision tree classifier for cracking identification in asphalt pavements. An image preprocessing approach including Gaussian function-based spatial filtering and top-hat transform is firstly proposed to reduce the influence of poor shading and lighting effects significantly. …”
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86
Experimental investigation of crack initiation and propagation in high- and gigacycle fatigue in titanium alloys by study of morphology of fracture
Published 2016-01-01“…Fatigue (high- and gigacycle) crack initiation and its propagation in titanium alloys with coarse and fine grain structure are studied by fractography analysis of fracture surface. …”
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87
Estimation of the crack propagation direction in a mixed-mode geometry via multi-parameter fracture criteria
Published 2015-07-01“…It appears also in this study that the higher-order terms of the asymptotic crack-tip field are of great relevance for the conducted analysis, similarly to a number of other fracture phenomena (near-crack-tip stress field approximation, non-linear zone extent estimation, etc.).…”
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88
Investigation of validity and inter examiner agreement of quantitative light induced fluorescent images in diagnosing cracked teeth
Published 2024-12-01“…Abstract The images of the Quantitative Light induced Fluorescent (QLF) device, which provides both natural color images similar to those from intraoral cameras and fluorescent images using 405 nm light in a single shot, were evaluated for the validity and inter examiner reliability in detecting tooth cracks. QLF images of 26 cracked teeth before and after removing crack lines were taken. …”
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89
The Fractal Dimension, Structure Characteristics, and Damage Effects of Multi-Scale Cracks on Sandstone Under Triaxial Compression
Published 2025-01-01“…The distribution density of medium-scale cracks in the failed specimen is higher, which is the main reason to produce damage. …”
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Determination of Crack Resistance of the Cover and Slide Glass by Indentation Method with the Visualization Using Atomic Force Microscopy
Published 2024-04-01“…Crack resistance of two types of glass was studied – cover glass (0.17 mm thick) and slide glass (2 mm thick) using an improved technique through the use of the probe methods, which makes it possible to increase the accuracy of determining the crack resistance of glass. …”
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92
Analysis on characteristics and mechanism for rock fracture in deep rock with cracks under dynamic-static coupling effect
Published 2024-12-01“…The study revealed three key findings: (1)The dynamic compressive strength of specimens with pre-existing cracks exhibited a non-monotonic relationship with crack inclination angle under uniaxial stress, contrasting with an increasing trend under confining pressure, highlighting the significant effects of confining pressure and strain rate. (2)Confining pressure significantly altered the failure modes, with specimens failing predominantly in axial tension at 0° and 90° crack inclinations, and a mix of axial tension and shear at 30° and 60°, indicating complex failure mechanisms. (3)The pre-existing crack angle under confining pressure influenced the propagation path and fractal dimension of the specimen, with an increasing angle correlating to higher fractal dimensions and a positive impact on compression peak stress. …”
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93
Effect of different restorative design and materials on stress distribution in cracked teeth: a finite element analysis study
Published 2025-01-01“…The occlusal veneer with internal resin filler exhibited higher stress on the end of the lower margin of the crack surface. …”
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94
Prediction of Long-Term Prestress Loss and Crack Resistance Analysis of Corroded Prestressed Concrete Box-Girder Bridges
Published 2022-01-01“…Reasonable assessment of long-term prestress loss and crack resistance is essential to ensure the service performance of prestressed concrete (PC) bridges. …”
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95
Investigation into the Early Cracking Behavior of High-Geothermal Tunnel Lining Concrete Based on Thermal–Mechanical Coupling Model
Published 2025-01-01“…Results indicate that the higher cracking risk occurred on the external surface of the lining sidewall after 24 h of casting. …”
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Cruciform specimens used for determination of the influence of T-stress on fatigue crack growth with overloads on aluminum alloy Al 6061 T651
Published 2019-04-01“…The reason for this behaviour is considered to be the reduced plasticity at the crack tip due to the higher triaxiality of the stress state.…”
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99
Stress intensity factors analyses for external semi-elliptical crack for repaired gas-pipeline by composite overwrap under pressure
Published 2019-07-01“…Our results show the presence of three failure modes along the semi elliptical crack front and has three zones in which the stress intensity factor in mixed mode (KII) the higher-values comparing to KI and KIII. …”
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Performance and Efficiency Comparison of U-Net and Ghost U-Net in Road Crack Segmentation with Floating Point and Quantization Optimization
Published 2024-12-01“…This study presents a comprehensive comparison of U-Net and Ghost U-Net for road crack segmentation, emphasizing their performance and memory efficiency across various data representation formats, including FP32, FP16, and INT8 quantization. …”
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