Results 11 to 20 of about 3,739 (197)

Comparison of different types of focusing probes in pulsed eddy current testing

open access: yesAIP Advances, 2022
Pulsed eddy current (PEC) testing has attracted widespread attention because of its unique advantages in detecting local defects in insulated pipes. In this paper, rectangular, U-shaped, and semicircular PEC focusing probes are designed, the magnetic ...
Fan Yang   +5 more
doaj   +1 more source

Experimental Investigation on Choosing a Proper Sensor System for Guided Waves to Check the Integrity of Seven-Wire Steel Strands

open access: yesSensors, 2020
Multiple wire twisted steel strands are commonly used to hoist elevators, concrete structures, etc. Due to frequent and long-time usage, the steel strands are subjected to corrosion, overloads, and aging, making strands may fail unexpectedly.
Edison Z.Y. Hou   +3 more
doaj   +1 more source

Foreword to the Special Issue on Terahertz Nondestructive Testing

open access: yesApplied Sciences, 2021
It is my pleasure to introduce this Special Issue on “Terahertz Nondestructive Testing”, one of the most promising new technologies to be applied to non-destructive inspection problems [...]
Robert A. Smith
doaj   +1 more source

Research on the Instrument for Rapid Detection of Unsound Wheat Kernels

open access: yesLiang you shipin ke-ji, 2022
By using image analysis technology and automatic control technology, the artificial intelligence technology was applied to the detection of unsound wheat kernels.
ZHANG Yue   +7 more
doaj   +1 more source

Fast Nondestructive Detection Technology and Equipment for Food Quality and Safety

open access: yesFoods, 2023
Fast nondestructive detection technology in food quality and safety evaluation is a powerful support tool that fosters informatization and intelligence in the food industry, characterized by its rapid processing, convenient operation, and seamless online
Zhiming Guo, Heera Jayan
doaj   +1 more source

Nondestructive Internal Defect Detection Using a CW–THz Imaging System in XLPE for Power Cable Insulation

open access: yesApplied Sciences, 2020
The demand for internal nondestructive testing and inspection techniques is rapidly increasing. Using a continuous wave (CW) terahertz (THz) imaging system, we demonstrate that the internal defects in cross-linked polyethylene (XLPE) plates for power ...
In-Sung Lee, Joong Wook Lee
doaj   +1 more source

High-Speed Time- and Frequency-Domain Terahertz Tomography of Glass-Fiber-Reinforced Polymer Laminates with Internal Defects

open access: yesApplied Sciences, 2021
Composite materials are increasingly being utilized in many products, such as aircrafts, wind blades, etc. Accordingly, the need for nondestructive inspection of composite materials is increasing and technologies that allow nondestructive inspection are ...
Ji-Sang Yahng, Dae-Su Yee
doaj   +1 more source

A systematic approach to technical inspection of construction projects [PDF]

open access: yesE3S Web of Conferences, 2023
This study presents a methodical approach to the procedure of inspection of the technical condition of non-residential public buildings, including architectural monuments.
Ekba Sergey   +3 more
doaj   +1 more source

Applied Sciences Special Issue: Ultrasonic Guided Waves

open access: yesApplied Sciences, 2019
The propagation of ultrasonic guided waves in solids is an important area of scientific inquiry due primarily to their practical applications for the nondestructive characterization of materials, such as nondestructive inspection, quality assurance ...
Clifford J. Lissenden
doaj   +1 more source

Use of ashes and ash-and-slad wastes in construction [PDF]

open access: yesИнженерно-строительный журнал, 2011
The use of ash waste saves expenses on main materials without compromising the quality of the product, while solving the problem of disposal of ash materials.
P. Lahtinen   +3 more
doaj   +1 more source

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