Results 1 to 10 of about 1,020,842 (201)

Traditional Eddy Current–Pulsed Eddy Current Fusion Diagnostic Technique for Multiple Micro-Cracks in Metals [PDF]

open access: yesSensors, 2018
Due to a harsh working environment, micro-cracks in metal structures (e.g., airplane, oil/gas pipeline, hydro-turbine) often lead to serious accidents, so health monitoring of the metals is of great significance to ensure their safe operation.
Zhenwei Wang, Yating Yu
doaj   +5 more sources

Generation Mechanism of Nonlinear Rayleigh Surface Waves for Randomly Distributed Surface Micro-Cracks [PDF]

open access: yesMaterials, 2018
This paper investigates the propagation of Rayleigh surface waves in structures with randomly distributed surface micro-cracks using numerical simulations. The results revealed a significant ultrasonic nonlinear effect caused by the surface micro-cracks,
Xiangyan Ding   +2 more
exaly   +3 more sources

Role of MRI for detecting micro cracks in teeth. [PDF]

open access: yesDentomaxillofac Radiol, 2016
To evaluate the limit of tooth crack width visualization by two MRI pulse sequences in comparison with CBCT.Two extracted human teeth with known crack locations and dimensions, as determined by reference standard microCT, were selected for experimental imaging.
Idiyatullin D   +3 more
europepmc   +4 more sources

Multi-scale soil moisture dynamics in arid mined Loess Plateau arise from crack evolution and microstructure collapse [PDF]

open access: yesScientific Reports
Coal mining-induced subsidence and mining-induced cracks significantly disturb soil moisture dynamics in the arid Loess Plateau, yet the multi-scale mechanisms remain poorly understood.
Ting Ma, Fuquan Tang, Furong Zhang
doaj   +2 more sources

A Comparative Review of Image Processing Based Crack Detection Techniques on Civil Engineering Structures [PDF]

open access: yesJournal of Soft Computing in Civil Engineering, 2021
Crack detection and repair of the cracks in engineering structures is essential to ensure serviceability and durability. Traditionally, cracks are detected by the examiner's visual inspection; as a result, crack detection and estimation of ...
Md. Rahat Zawad   +3 more
doaj   +1 more source

MICRO-COMPUTED TOMOGRAPHIC EVALUATION OF DENTINAL CRACKS CAUSED BY VARIOUS RECENT FILE SYSTEMS

open access: yesCumhuriyet Dental Journal, 2022
Objectives: The purpose of present study was to evaluate the incidence of dentinal micro-cracks observed after the use of ProTaper Gold (PTG), WaveOne Gold (WOG), OneShape New Generation (OSNG), K3XF nickel-titanium (NiTi) instrumentation systems ...
Gizem Kutlu Cengiz   +4 more
doaj   +1 more source

Investigating the Effect of Electrical Discharge Process Input Parameters on Mechanical Properties of Aluminum Surface [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2021
One of the important parameters in electrical discharge machining is the presence of micro cracks on the workpiece surface (recast layer). Therefore, the aim of this study was to investigate the possibility of increasing the mechanical properties of ...
Hadi Eivazi bagheri   +3 more
doaj   +1 more source

Characterization of surface and subsurface defects induced by abrasive machining of optical crystals using grazing incidence X-ray diffraction and molecular dynamics

open access: yesJournal of Advanced Research, 2022
Introduction: Surface and subsurface defects were easily induced during abrasive machining process of optical crystals due to their high brittleness. Accurate characterization of these defects is the prerequisite for obtaining optical components with ...
Yong Zhang   +5 more
doaj   +1 more source

Size effects for micro-fractured bodies under compressive loading [PDF]

open access: yesTheoretical and Applied Mechanics, 2011
A two-scale damage model for micro-fractured media is constructed using the asymptotic homogenization method. At the small-scale level, we consider locally periodic microstructures of two-types: micro-cracks nucleating from pores and wing-type micro ...
Dobrovat A.M.   +3 more
doaj   +1 more source

Macro- and micro-cracking in one-dimensional elasticity [PDF]

open access: yesInternational Journal of Solids and Structures, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
DEL PIERO, Gianpietro, L. Truskinovsky
openaire   +3 more sources

Home - About - Disclaimer - Privacy