Zobrazeno 1 - 10
of 6 250
pro vyhledávání: '"Nondestructive evaluation"'
Autor:
Hyosung Lee, Ji Won Lim, Jihyun Kwon, Seung-Ki Choi, Hyun Suk Kim, Young-In Hwang, Ki-Bok Kim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract The management of unknown weapons obtained from warfare, military operations, and terrorist situations requires a series of nondestructive testing processes. This management process, which is aimed at collecting information on the nature of
Externí odkaz:
https://doaj.org/article/1f9f559cdcc744369e40f3b59b442b0c
Autor:
James LeBlanc, Lewis Shattuck, Eric Warner, Carlos Javier, Irine Chenwi, Jahn Torres, David Ponte, Patric Lockhart, Tyler Chu, Arun Shukla
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 7, Iss 4, Pp 614-629 (2024)
The effects of salt water exposure at deep ocean depth pressures when coupled with low temperatures on the material characteristics of three unique additively manufactured polymers has been investigated through a detailed experimental approach. The p
Externí odkaz:
https://doaj.org/article/a419e5dbdd0a493b8115cdb007ec2cc6
Publikováno v:
IEEE Open Journal of Instrumentation and Measurement, Vol 3, Pp 1-11 (2024)
X-ray computed tomography (XCT) is a widely adopted nondestructive technique for characterizing internal porosity in additive manufactured (AM) components. However, the accuracy and precision of porosity characterization using XCT can be affected by
Externí odkaz:
https://doaj.org/article/a38c269b3afe48c792422823f8e7fb20
Publikováno v:
IEEE Open Journal of Instrumentation and Measurement, Vol 3, Pp 1-13 (2024)
Common additive manufacturing (AM) methods use metal powder feedstock. The properties of the metal powder, such as particle size distribution (PSD), morphology, and presence of surface oxides or other contaminants, significantly impact the quality of
Externí odkaz:
https://doaj.org/article/70a1bf6039cc4f7a85294bc2131692a1
Autor:
Mima Todorova, Petya Veleva, Stefka Atanassova, Tsvetelina Georgieva, Miroslav Vasilev, Zlatin Zlatev
Publikováno v:
Engineering Proceedings, Vol 70, Iss 1, p 34 (2024)
This study conducted a systematic analysis and investigation of near-infrared (NIR) spectroscopy for assessing tomato fruits’ quality. This was combined with the integration of multivariate techniques for analysis to improve existing methods for no
Externí odkaz:
https://doaj.org/article/320c1697d2014e61bf9553459f50eea5
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6588 (2024)
Borehole pulsed eddy-current (PEC) systems based on uniform linear multicoil arrays (ULMAs) perform efficient nondestructive evaluations (NDEs) of metal casings. However, the limited physical space of the borehole restricts the degrees of freedom (Do
Externí odkaz:
https://doaj.org/article/f292966762e84ef2b23cccff80389e39
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5808 (2024)
A new algorithm is developed to automatically detect rebar locations and diameters of reinforced concrete structures using the ground penetrating radar technique. The study uses two-way travel time and biquadratic equations to formulate electromagnet
Externí odkaz:
https://doaj.org/article/1ba76aa83547444f812ff3fcd1e5fcc3
Autor:
Jong-Sub Lee, Jung-Doung Yu
Publikováno v:
Developments in the Built Environment, Vol 17, Iss , Pp 100365- (2024)
This study aims to inspect grout defects in rock bolts using electromagnetic (EM) waves. The experiments are conducted using one intact rock bolt and eight defective rock bolts with defect ratios (DR) of 10–50%. A two-conductor transmission line is
Externí odkaz:
https://doaj.org/article/88aaace72173412e8069e87ee72b6657
Autor:
Azizi, Arad, Hejripour, Fatemeh, Goodman, Jacob A., Kulkarni, Piyush A., Chen, Xiaobo, Zhou, Guangwen, Schiffres, Scott N.
Publikováno v:
Rapid Prototyping Journal, 2023, Vol. 29, Issue 6, pp. 1109-1120.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/RPJ-09-2022-0290
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4769 (2024)
An automated method for nondestructively characterizing the layer-by-layer raster orientation of additively manufactured components fabricated via the fused filament fabrication (FFF) process is presented, which utilizes full waveform capture of the
Externí odkaz:
https://doaj.org/article/8b1bf05d7adc425dbf4aa8337d58db25