A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Filters
Low Frequency, Pulsed Eddy Currents for Deep Penetration
[chapter]
1998
Review of Progress in Quantitative Nondestructive Evaluation
Preserved Fulltext
John Bowler for their assistance in calculating magnetic field strengths for this article. ...
ACKNOWLEDGMENT This work is supported by the FAA Center for Aviation Systems Reliability program under Federal Aviation Administration Grant No. 95G-032. We are grateful to Dr. ...
Figure 6 .Figure 7 . 67 Signals for simulated corrosion on the bottom of a 6.3 mm panel of 2024 Al for the GMR sensor (A) and the coil sensor (B)Scanned images using the GMR probe to detect simulated corrosion ...
doi:10.1007/978-1-4615-5339-7_37
fatcat:taflgndzsjdapoc36nuoasess4
Quantitative Assessment of Corrosion in Aircraft Structures Using Scanning Pulsed Eddy Current
[chapter]
1998
Review of Progress in Quantitative Nondestructive Evaluation
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
ACKNOWLEDGMENTS This work was supported by the FAA Center for Aviation Systems Reliability program at the Center for NDE at Iowa State University and was supported in part by AFOSR grant No. ...
INTRODUCTION Eddy current nondestructive testing techniques are used extensively in industry for detection of hidden cracks and corrosion in multi-layer conductive structures such as those found in aircraft ...
Holes were also drilled through the sample to simulate fastener holes on 25.4 mm centers. Figure 6 shows the pulsed eddy current images obtained by scanning this sample. ...
doi:10.1007/978-1-4615-5339-7_40
fatcat:4qfvd6sub5g6hj3ynjlvhc77nm
Detecting defects in marine structures by using eddy current infrared thermography
2016
Applied Optics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Eddy current thermography is a new non-destructive testing technique for detecting cracks in electro conductive materials. ...
on aircraft carriers, loads that occur upon the sudden immersion in and emerging from water in the case of submarines, effects of fatigue, corrosion cracking, etc. ...
Structural elements of warships made of metal sheets meet the requirements of using pulsed eddy current thermography to detect defects. ...
doi:10.1364/ao.55.000d17
pmid:27958434
fatcat:33ucodgo4ncvlm44hndl6obe3m
Pulsed Eddy-Current Measurements of Corrosion-Induced Metal Loss: Theory and Experiment
[chapter]
1995
Review of Progress in Quantitative Nondestructive Evaluation
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
ACKNOWLEDGMENT This material is based upon work perfonned at the FAA Center for Aviation Systems Reliability operated by Iowa State University and supported by the Federal Aviation Administration under ...
A considerable effort is underway to develop new eddy-current techniques for detecting and characterizing hidden corrosion. ...
We have built a pulsed eddy-current instrument for characterizing corrosion-induced loss of metal in aircraft structures. ...
doi:10.1007/978-1-4615-1987-4_264
fatcat:y2j7dq5wy5hdzjfkzvysrl2emi
Time-Gating of Pulsed Eddy Current Signals for Defect Characterization and Discrimination in Aircraft Lap-Joints
[chapter]
1997
Review of Progress in Quantitative Nondestructive Evaluation
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Figure 8 Fig. 8 . 88 is the result of an investigation of second layer crack detection by pulsed eddy current. ...
This demonstrates one of the principal advantages of the pulsed eddy current technique. ...
doi:10.1007/978-1-4615-5947-4_250
fatcat:i2ti44xxancynamhhaquy7pf64
STUDY ON RUST DETECTION OF RC STRUCTURE BASED ON ELECTROMAGNETIC PULSED EDDY CURRENT
2019
International Journal of Robotics and Automation
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A set of rust detecting system for reinforced concrete was designed based on the electromagnetic pulsed eddy current (EPEC). ...
And the results of the numerical simulation verify the validity of the conclusions of the physical experiments. ...
Then, the specimen generated an eddy current magnetic field under the effect of the exciting pulse magnetic field. ...
doi:10.2316/j.2019.206-5582
fatcat:ntlqga3po5c5hmlua4lwc2wuxe
Development of a Wireless Corrosion Detection System for Steel-Framed Structures Using Pulsed Eddy Currents
2021
Sensors
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In this paper, an optimal remote monitoring system platform for SHM is proposed based on pulsed eddy current (PEC) that is utilized for measuring the corrosion of a steel-framed construction. ...
was verified by simulations and experiments. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s21248199
pmid:34960312
pmcid:PMC8704296
fatcat:qxfh2miqqnhdfkrnnz7ypt5gcu
Corrosion detection in steel reinforced aluminium conductor cables
2014
2014 Australasian Universities Power Engineering Conference (AUPEC)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This paper investigates the existing methods of corrosion detection used in ACSR cables of overhead transmission lines, and estimates the location of corrosion through simulation in a computer program. ...
The paper also analyses two promising methods of corrosion detection, namely "electromagnetic induction" and "time domain reflectometry (TDR)", and explains in detail their principle of operation and efficiency ...
This is the basic concept for eddy current inspection [8] . ...
doi:10.1109/aupec.2014.6966630
fatcat:orv5whvglvbldg7pwfbfbqivje
Detection of Corrosion and Wall Thinning in Carbon Steel Pipe Covered With Insulation Using Pulsed Eddy Current
2016
Journal of Magnetics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In this study we developed a Pulsed Eddy Current (PEC) system to detect wall thinning of ferro magnetic steel pipes covered with 95 mm thick fiber glass thermal insulator and shielded with aluminum plate ...
The thickness of the tube was made to change such as 2.5 mm, 5 mm and 8 mm from the inner surface to simulate wall thinning. ...
The duration of the eddy currents will have an effect on the transition period of the detected pulse. ...
doi:10.4283/jmag.2016.21.1.057
fatcat:t7lchhl2pjfzhkxkzhhik3y6fm
Review paper: Application of the Pulsed Eddy Current Technique to Inspect Pipelines of Nuclear Plants
2013
Journal of Magnetics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In the present study, a development of pulsed eddy current (PEC) technology that detects the wall thinning of pipelines covered with insulation is reviewed. ...
The excitation coils in the probe is driven by a rectangular current pulse, the difference of two Hall sensors has been measured as a resultant PEC signal. ...
effect of the induced eddy currents are more on H1 than H2. ...
doi:10.4283/jmag.2013.18.3.342
fatcat:naxo3fl5hrbs3h3qxinz7pma54
Scanning the steel 08G2B using superminiature eddy current probe
2020
E3S Web of Conferences
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
eddy current probe to detect continuity defects and corrosion in this type of metal. ...
The eddy current method is a non-contact one being used both for cracks identification and determination of their characteristics. ...
eddy current probe to detect continuity defects and corrosion in this type of metal. ...
doi:10.1051/e3sconf/202015701011
fatcat:7mrhy6g55bezpg62v3dyt2pdwm
Investigation of an encircling Pulsed Eddy Current probe for corrosion detection
2014
IEEE SENSORS 2014 Proceedings
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Existing Pulsed Eddy Current probes use surface type probes on pipes. ...
Pulsed Eddy Current (PEC) is an emerging nondestructive testing and evaluation (NDT & E) technique and has been used for a wide range of conductive materials. ...
ACKNOWLEDGMENT Authors would like to thank TWI Ltd and College of Engineering, Design and Physical Sciences, Brunel University for funding this work. ...
doi:10.1109/icsens.2014.6985129
fatcat:qiowdrxyv5hxtk47ryuci3y3z4
Dual Core Differential Pulsed Eddy Current Probe to Detect the Wall Thickness Variation in an Insulated Stainless Steel Pipe
2010
Journal of Magnetics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In the present study, a pulsed eddy current (PEC) differential probe with two excitation coils and two Hall-sensors was fabricated to measure the wall thinning in insulated pipelines. ...
The excitation coils in the probe were driven by a rectangular current pulse, the difference of signals from two Hall-sensors was measured as the resultant PEC signal. ...
Acknowledgement This work was developed by the research project focusing on the development of an advanced diagnostic technique for micro-material degradation and damages, as a part of a long-term nuclear ...
doi:10.4283/jmag.2010.15.4.204
fatcat:5l4hscvrsjbu5kv4blykxam3pi
A Capsule-Type Electromagnetic Acoustic Transducer for Fast Screening of External Corrosion in Nonmagnetic Pipes
2018
Sensors
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Simulations based on the hybrid model indicate feasibility of the proposed transducer in detection and evaluation of external corrosion in nonmagnetic pipes. ...
A 3D hybrid model for efficient prediction of responses from the proposed transducer to external corrosion is established. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s18061733
pmid:29843390
pmcid:PMC6021855
fatcat:h2k6xnhgxjfwvlcpwv2pejld6q
Study on Detection Methods of Residual Wall Thickness for Process Pipeline Corrosion in Oil and Gas Gathering and Transportation Station
2018
Journal of Magnetics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In this paper, it is proposed to adopt Pulsed Eddy Current (PEC) testing of coaxial double coil structure to implement the detection on residual wall thickness of pipeline corrosion in oil and gas gathering ...
On such basis, a theoretical model of coaxial double coil structure for PEC detection is built, and the relation of voltage phase of the detected signal varying with the wall thickness of the pipeline ...
The signals of pulse eddy current response quicker than the ones of multi-frequency current. ...
doi:10.4283/jmag.2018.23.2.142
fatcat:2isrcs2awzffhfg33icdnut4jm
« Previous
Showing results 1 — 15 out of 1,409 results