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eddy current

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Proceedings Papers

Proc. ASME. PVP2020, Volume 7: Non-Destructive Examination, V007T07A012, August 3, 2020
Paper No: PVP2020-21322
...Abstract Abstract Pulsed eddy current (PEC) is a new technique to distinguish corrosion defeats inside and outside the metal pipeline. In comparison with other eddy current techniques, the PEC technique has the advantage of being simple and high velocity. In this article, a brand-new PEC probe...
Proceedings Papers

Proc. ASME. PVP2019, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 27th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD), V005T10A002, July 14–19, 2019
Paper No: PVP2019-93374
... with the reference signals. The proposed method to detect flaws directly under the TSP was verified using an artificially flawed heat exchanger tube (HXT) test specimen made of titanium alloy. eddy current testing magnetic camera sensor array heat exchanger tube flaw directly under TSP REAL-TIME EDDY...
Proceedings Papers

Proc. ASME. PVP2011, Volume 8: Seismic Engineering, 59-64, July 17–21, 2011
Paper No: PVP2011-57790
... weight mechanical structures like a computer server rack. In this paper, experimental and analytical results on the performances of the product type damping device using damping effect caused by Eddy-Current are described. 1 PERFORMANCE EVALUATION OF PRODUCT TYPE MAGNETIC DAMPER USING EDDY-CURRENT...
Proceedings Papers

Proc. ASME. PVP2009, Volume 8: Seismic Engineering, 221-226, July 26–30, 2009
Paper No: PVP2009-77632
... system of light weight mechanical structures like a computer server rack. In this paper, the experimental and analytical results on the basic performances of the damping device using damping effect by Eddy-Current. 1 Copyright © 2009 by ASME Proceedings of PVP2009 2009 ASME Pressure Vessels...
Proceedings Papers

Proc. ASME. PVP2007, Volume 9: Eighth International Conference on Creep and Fatigue at Elevated Temperatures, 587-593, July 22–26, 2007
Paper No: CREEP2007-26431
... of the scale has been identified, using x-rays, as magnetite. This ferromagnetic oxide surface can be easily inspected in power plants using eddy current techniques. Because of the correlation with incipient creep damage, the suggestion is that measurement of the amount of ferromagnetic component can be used...
Proceedings Papers

Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 721-731, July 27–31, 2008
Paper No: PVP2008-61239
... the use of specialized pulsed eddy current (PEC) hardware and software to scan for wall thinning without removing insulation. Recent results are based on the current version, MK II, of this equipment. The authors have performed more than 200 power plant projects with this PEC equipment, examining numerous...
Proceedings Papers

Proc. ASME. PVP2003, Design and Analysis Methods and Fitness for Service Evaluations for Pressure Vessels and Components, 53-62, July 20–24, 2003
Paper No: PVP2003-1928
... eddy current (PEC) hardware and software to scan for wall thinning without removing insulation. APTECH has performed more than 50 nuclear power plant projects on hundreds of feedwater shells, as well as numerous pipe examination projects, using the PEC equipment as a cost-effective screening tool...
Proceedings Papers

Proc. ASME. PVP2004, Recent Advances in Nondestructive Evaluation Techniques for Material Science and Industries, 191-197, July 25–29, 2004
Paper No: PVP2004-2836
... testing) techniques for reliable detection and evaluation of defects in the nickel-base alloy. Basic studies on the flaw detection and characterization by eddy current examination of inconel, a typical nickel-base alloy, are carried out. Specimens made of inconel and inconel weld metal are prepared...
Proceedings Papers

Proc. ASME. PVP2004, Recent Advances in Nondestructive Evaluation Techniques for Material Science and Industries, 199-205, July 25–29, 2004
Paper No: PVP2004-2837
... The present paper describes and clarifies the main difficulties arising in the 3D numerical simulations using finite element method of the remote field eddy current effect in magnetic steam generator tubes. The 2D axisymmetric and full 3D simulations are compared with experimental results from...
Proceedings Papers

Proc. ASME. PVP2004, Recent Advances in Nondestructive Evaluation Techniques for Material Science and Industries, 185-190, July 25–29, 2004
Paper No: PVP2004-2835
... A computer-aided approach of the eddy current testing (ECT) is described to detect and to size up deep cracks in thick metal structures. A 3D eddy current field analysis based on the finite elements performs designing ECT probes and evaluating the size of crack depth quantitatively...
Proceedings Papers

Proc. ASME. PVP2015, Volume 7: Operations, Applications and Components, V007T07A004, July 19–23, 2015
Paper No: PVP2015-45511
... inspection methods applied during in-service inspections, like traditional ultrasonics, optical, dye-penetrant, eddy current etc. and also some new like automated ball indentation, thermoelectric power measurements etc. The paper summarizes the possibility of application of these methods on main reactor...
Proceedings Papers

Proc. ASME. PVP2005, Volume 4: Fluid Structure Interaction, 217-231, July 17–21, 2005
Paper No: PVP2005-71562
... Vortex or eddy identification is still a complex problem from both the experimental and the theoretical standpoints. The different intuitive and mathematical criteria used to identify vortices are reviewed and observations are made about the weaknesses of most of the criteria. Jeong...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 7, 255-261, July 18–22, 2010
Paper No: PVP2010-25984
... Nuclear Plant, a preventative program was initiated in 1999. All 37 CEDM seal housings have been inspected by using WesDyne Intraspect pancake and plus point eddy current probes. Examination of the eddy current data found that TGSCC was associated with localized areas of higher permeability (confirmed...
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 7: Operations, Applications, and Components, 75-84, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93313
... of the general principles, we detail how regularization can be applied to process eddy current probe signals and provide good estimates of the depth of small surface breaking defects. Encouraging laboratory results have been obtained so far, which may lead to re-consider the scope of the eddy current technique...
Proceedings Papers

Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A022, July 17–21, 2016
Paper No: PVP2016-63294
... A tailored-for-purpose environmental fatigue testing facility was previously developed to perform direct strain-controlled tests on stainless steel in simulated PWR water. Strain in specimen mid-section is generated by the use of pneumatic bellows, and eddy current measurement is used...
Proceedings Papers

Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A021, July 16–20, 2017
Paper No: PVP2017-65374
... eddy current based measurement is used as a feedback signal. The NUREG/CR-6909 report gathered a large database of test results and proposed environmental reduction factors (F en ) to account for a reduction in fatigue life in simulated LWR environment when comparing to a reference value in air...
Proceedings Papers

Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A070, July 17–21, 2016
Paper No: PVP2016-63207
... the NDE techniques that were employed and provides examples of typical data obtained by using the techniques. Catalyst tubes were inspected using the H SCAN ® (Figure 1) multiple sensor technology. This technique utilizes two types of ultrasonic sensors, eddy current sensors, laser measurements...
Proceedings Papers

Proc. ASME. PVP2009, Volume 5: High Pressure Technology; Nondestructive Evaluation Division; Student Paper Competition, 169-178, July 26–30, 2009
Paper No: PVP2009-77675
... Eddy Current (EC) and Ultrasonic Techniques (UT). 1 Copyright © 2009 by ASME Proceedings of PVP2009 2009 ASME Pressure Vessels and Piping Division Conference July 26-30, 2009, Prague, Czech Republic PVP2009-77675 ASSESSMENT OF INSPECTION PERFORMANCE USING SIMULATION SUPPORTED POD CURVES Jenson...
Proceedings Papers

Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 523-527, July 26–30, 2009
Paper No: PVP2009-77715
... with the examination results by using penetration, eddy current and destructive tests. It is found that the PWSCC initiation prediction has good agreement with the examination results. Also, PWSCC growth is assessed by using the PWSCC growth analysis procedure presented in ASME B&PV Code, Sec.XI. Finally...
Proceedings Papers

Proc. ASME. PVP2012, Volume 5: High-Pressure Technology; ASME NDE Division, 89-95, July 15–19, 2012
Paper No: PVP2012-78834
... of Linear Phased Array (LPA) ultrasonic examination for volumetric examination and Eddy Current Array (ECA) technology for surface examination. Advancements in ultrasonic Guided Wave Testing (GWT) also show promise for the examination of long tubes, such as in tubular low density polyethylene (LDPE...