... detection nuclear power stations polyethylene insulation ultrasonic arrays ultrasonic materials testing The applicable construction codes and later editions and addenda do not provide rules for the material, design, fabrication, installation, examination, and testing of piping constructed...

... is also developed using signal processing ( 10 11 ) and modeling methods ( 12 ). time of flight diffraction (TOFD) weld inspection complex geometry diffraction inspection ultrasonic diffraction ultrasonic materials testing welds 19 10 2008 24 02 2009 27 07 2009...

... , K. , 2006 , “ A Simulation Tool for Ultrasonic Inspection ,” J. Korean Soc. NDT , 26 ( 3 ), pp. 153 – 161 . 07 05 2006 24 07 2006 bending fatigue cracks fracture pipes ray tracing stainless steel ultrasonic arrays ultrasonic materials testing ultrasonic...

... maintenance fossil-fuel combustion power generation plants boiler piping frequency spectral intensity life consumption ultrasonic testing boilers creep testing flaw detection Fourier transforms pipes ultrasonic materials testing welds 14 02 2006 14 07 2006 2007 American...

...Joseph L. Rose ultrasonic materials testing pipelines pressure vessels flaw detection inspection This special issue of the journal is dedicated to some contemporary aspects of nondestructive evaluation applied to pipeline and vessel structures. This critical area of research...

... investigated. The results show that the natural focusing inspection technique can sufficiently inspect an entire pipe with FAT. 21 01 2005 20 04 2005 pipes inspection ultrasonic focusing ultrasonic materials testing ultrasonic guided wave natural focusing frequency and angle tuning...

... protection elastomer “Splashtron” or Bio-Shield). Very often external riser surface is covered with thick biomass. riser corrosion damage NDE methods detection monitoring offshore installations mechanical products corrosion wetting drying ultrasonic materials testing eddy current...

...-8695 10.1016/S0963-8695(00)00021-9 , 33 , pp. 499 – 513 . 03 03 2005 14 04 2005 welding pipes ultrasonic materials testing ultrasonic transducer arrays inspection flaw detection thin pipe welds automated ultrasonic testing phased array detection sizing...

.... ultrasonic materials testing ultrasonic transducers pipelines principal component analysis flaw detection Once the dents were classified into two groups, we would like to estimate their depths which could potentially help inspection engineers to schedule repair or replacements. To examine how...

.... Schematic showing phased array performing 45 deg and 60 deg raster scans on a weld 03 02 2005 29 03 2005 reviews flaw detection ultrasonic materials testing pressure vessels pipelines welding inspection ultrasonic diffraction beam steering Welds Ultrasonic Phased...

... Polyethylene ,” Senior Thesis, Department of Mechanical Engineering, Texas A&M University, College Station, TX. 31 01 2005 15 03 2005 ultraviolet radiation effects ultrasonic materials testing stress effects polymers tanks (containers) mechanical testing plastics industry...

... materials testing ultrasonic transducers thickness measurement steel inspection The natural gas transmission and distribution pipeline system is an extensive network that has been in place for many years safely delivering gas to customers and industrial users. To insure the safety...

... a quick and reasonable solution especially when it is difficult to establish a pipe model. 17 01 2005 04 03 2005 pipes ultrasonic materials testing wave mechanics elastic waves Guided Waves Boundary Element Method Wave Scattering Pipe and Plate Approximation...

... ultrasonic materials testing pipes corrosion testing inspection echo ultrasonic transducer arrays numerical analysis welding geometry deconvolution structural engineering Ultrasonic nondestructive (NDE) testing has developed rapidly in the past decades as a tool for materials assessment...

.... , 2004 , “ The Post Processing of Ultrasonic Array Data Using the Total Focusing Method ,” Insight 1060-135X , 46 , no. 11 , pp. 101 – 106 . 24 02 2005 02 03 2005 ultrasonic transducer arrays ultrasonic materials testing ultrasonic imaging ultrasonic reflection design...

... , J. L. , and Avioli , M. J. , 2002 , “ Guided Wave Resonance Tuning for Pipe Inspection ,” ASME J. Pressure Vessel Technol. 0094-9930 10.1115/1.1491580 , 124 , pp. 303 – 310 . 14 01 2005 21 02 2005 pipes ultrasonic materials testing insulation coatings...

... mortar ultrasonic materials testing bending strength construction components ultrasonic transducers acoustic waveguides cracks Ultrasonics Waveguides Accelerated Corrosion Tests Reinforced Concrete Mortar The civil infrastructure of structural steel reinforced concrete is aging...

... numerically and experimentally. The frequency dependent transmission behavior obtained is explained in terms of the modes propagating in the straight and curved sections of the pipe. ultrasonic propagation ultrasonic reflection ultrasonic transmission pipes ultrasonic materials testing bending...

... classification performance and robustness against noise and changes in some of the operating parameters. 25 01 2005 27 01 2005 ultrasonic materials testing pipes neural nets discrete wavelet transforms finite element analysis feature extraction inspection steel ultrasonic propagation...

... 0041-624X (to be published). 14 01 2005 24 01 2005 ultrasonic focusing pipes ultrasonic materials testing finite element analysis When applying vibration on the surface of plates, pipes, and elongated structures as railway rails, acoustic modes generate and propagate...