Table of Contents 40 Articles in Issue: 2013-10-01 | |
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Exhibitors (7) | |
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Title / Author(s) / Keywords
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Publication |
 An X-ray legend heads into the third dimension – “Y.MU2000 goes CT” YXLON International GmbH 196, Hamburg, Germany NEWS
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|  Ultrasonic Gantry/squirter Solution for the Evaluation of Jet Engines Composite Fan Casings TecScan Systems 25, Boucherville, Quebec, Canada NEWS
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|  A New Corrosion Module Software Available with the EPOCH 600 Ultrasonic Flaw Detector Provides Simplified Operation in Corrosion Inspection Applications. Olympus Scientific Solutions Americas (OSSA) 230, Waltham, MA, USA NEWS
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|  Tracer offers versatile C-scan solution Phoenix Inspection Systems Ltd 67, Warrington, United Kingdom
NEWS
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|  New Standard Surface ECA Probe Line Eddyfi 57, Quebec, Canada NEWS
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|  CIVA Newsletter September 2013 EXTENDE 98, Massy, France NEWS
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|  Live Web Event: 5 Ways HRSG Online Monitoring For Early Tube Leaks Benefits Your Plant MISTRAS Products & Systems 72, Princeton Junction, NJ, USA NEWS
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|  Ultrasonic boost to NDT inspection fleet Ashtead Technology 16, Letchworth Garden City, United Kingdom NEWS
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|  NDT expert joins Ashtead Technology Ashtead Technology 16, Letchworth Garden City, United Kingdom NEWS
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|  Helical Robotics MP Series Robotic Platforms Advances Shipboard Inspection and Maintenance Helical Robotics, Oregon, WI, USA
NEWS
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|  NDT 2013 52nd Annual Conference and Materials Testing Exhibition Technology Design Ltd 44, Winsford, United Kingdom NEWS
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|  Wavelength NDT launch new website and establish social media platforms, “in tune” with their online presence. Wavelength NDT 4, Ashbourne, United Kingdom NEWS
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|  Zerstörungsfreie Prüfung bei Beton – Bericht über Stand der Technik erschienen BAM Federal Institute for Materials Research and Testing 1304, Berlin, Germany NEWS DE
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|  Professor Dr. Panne is the new president of BAM Federal Institute for Materials Research and Testing BAM Federal Institute for Materials Research and Testing 1304, Berlin, Germany NEWS
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|  ASNT Technician Newsletter Available Online (Vol. 12, No. 4) ASNT 17, Columbus, OH, USA NEWS
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| Setting Realistic Tolerances on Equipment Substitution for Conventional, PAUT and TOFD Ultrasonic Methods T. Armitt1 10, P. Ciorau2 51 1Lavender International NDT Consultancy Services Ltd 16, Sheffield, United Kingdom 2Tetra Tech Energy Division 7, Pickering, Canada Ultrasonic Testing (UT), velocity, Qualification of Inspection, detection, sizing, center frequency, relative bandwidth, wedge angle, height 1st element, nr.points per A-scan, pitch width, PCS, tolerances, position error
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The paper presents a new approach to set realistic tolerances on equipment substitution for detection and sizing of cracks in pressure components based on inspection specification. The following
aspects will be presented: - Tolerances on conventional UT equipment substitution for center frequency, bandwidth, pulse length, refracted angle and gain-in reserve - Tolerances on PAUT features probe, wedge, and test piece velocity compared to reference block
velocity - Tolerances on TOFD parameters, namely PCS offset. Examples are given for different inspection scenarios for detecting and sizing fatigue cracks. Recommended tolerances are presented based on experimental work, field data and basic principles of UT method. Tolerances for a procedure qualification shall be set based on its scope, not arbitrary, based on ASME XI or other national/international standards. Tolerances quoted are given for clearly resolvable individual defects. Unresolved multiple flaws would not be sizable to tolerances quoted in this paper. Separate tolerances will be discussed with respect to UT, PAUT and TOFD.
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| Inspection of Defects in Rails using Ultrasonic Probe S. Vipparth Department of Mechanical; Swarnanadhra institute of engineering & technology Narsapuram, Andhra Pradesh, India Rail tracks, ultrasonic testing, pulse-echo probe, defects.
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The detection of critical inherent cracks in the railhead is a major challenge for the railway
industry. Conventional inspection methods have proven not to be reliable enough in this context;
therefore the aim of this work is to develop an alternative screening method. The approach is to scan a
pulse-echo probe along the rail which covers maximum part of rail head. The properties of the dominant
surface of rails were determined and a mode suitable for inspection purposes is identified. In order to
ensure correct and reliable signal interpretation of ultrasonic wave a signal processing method is
developed. The performance of this method was studied on rails containing artificial and real defects.
Furthermore, deep defects were detected even with multiple smaller ones in front. The inspection
method developed appears suitable for defect detection and could be used to complement existing
methods and thus enhance their reliability.
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| An Investigation of Focusing and Angular Techniques for Volumetric Images by using the 2D Circular Ultrasonic Phased Array S. Mondal 2 Engineering and Design; London South Bank University 6, London, United Kingdom NDT-wide, Ultrasonic Testing (UT), power plant, steel plant, Ultrasonic, Array, Phased, Focusing, Angular
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New array instrumentation allows ultrasonic arrays to be used with increasing numbers of elements. This leads to the possibility of volumetric imaging of engineering components. In this paper, two dimensional (2D) ultrasonic transducer arrays are used to generate beams that can be steered and focused throughout a three-dimensional (3D) volume from a single location. A model is developed to generate time signals for all combinations of transmit and receive elements. Based on this model, a theoretical investigation of the focusing and steering properties of 2D circular arrays is described. The imaging performance of a circular array is then quantified from their point spread functions.
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| Non-destructive Testing of Nuclear Power Plant Concrete Structures State of the Art Report H. Wiggenhauser 66, R. Helmerich 4, M. Krause 60 , F. Mielentz 22, E. Niederleithinger 45 , A. Taffe 52, G. Wilsch 13 Zerstörungsfreie Schadensdiagnose und Umweltmessverfahren; BAM Federal Institute for Materials Research and Testing 1304, Berlin, Germany
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State-of-the-art report summarizing available data and information on non-destructive testing methods and technologies for application to nuclear power plant safety-related concrete structures. Recommended research for future development or refinement of existing methods with specific reference to nuclear power plant concrete structures is addressed.
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| Innovative Ultrasonic Techniques for Inspection and
Monitoring of Large Concrete Structures H. Wiggenhauser 66, E. Niederleithinger 45 BAM Federal Institute for Materials Research and Testing 1304, Berlin, Germany
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Ultrasonic echo and transmission techniques are used in civil engineering on a
regular basis. New sensors and data processing techniques have lead to many new
applications in the structural investigation as well as quality control. But concrete
structures in the nuclear sector have special features and parameters, which pose
problems for the methods and instrumentation currently available, e.g. extreme
thickness, dense reinforcement, steel liners or special materials. Several innovative
ultrasonic techniques have been developed to deal with these issues at least partly in lab
experiments and pilot studies. Modern imaging techniques as multi-offset SAFT have
been used e. g. to map delaminations. Thick concrete walls have successfully been
inspected, partly through a steel liner. Embedded ultrasonic sensors have been designed
which will be used in monitoring networks of large concrete structures above and below
ground. In addition, sensitive mathematical methods as coda wave interferometry have
been successfully evaluated to detect subtle changes in material properties. Examples of
measurements and data evaluation are presented.
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