Results 51 to 60 of about 725 (150)

Highly Sensitive Phased Array Probes based on Capacitive Micromachined Ultrasonic Transducers

e-Journal of Nondestructive Testing
Capacitive Micromachined Ultrasonic Transducers (CMUTs) offer a wide freedom of design for ultrasonic phased arrays. They are characterized, in comparison to piezoelectric transducers, by a higher sensitivity in receiving and a wider bandwidth based on ...
Uwe Voelz, Marco Kircher, Sandro G. KOCH, Marcel Krenkel   +3 more
doaj   +1 more source

Ultrasonic Inspection Results Obtained in the ENIQ 2nd Pilot Study [PDF]

, 2007
This report is a compilation of the ultrasonic non-destructive inspections results obtained on the ENIQ 21 BWR-type nozzle to shell weld mock-up. The report has been divided into three different sections 1) Report on inspection results obtained on the ...
ERIKSEN BRIAN, MELBI Mikael
core  

Corrosion of API 5L X60 Pipeline Steel in Soil and Surface Defects Detection by Ultrasonic Analysis

Metals
The corrosion steels phenomenon is one of the main problems in the oil industry, such as in buried transmission pipelines used for high gas pressure for long distances.
Fatima Benkhedda, Ismail Bensaid, Abderrahim Benmoussat, Sid Ahmed Benmansour, Abdeldjelil Amara Zenati   +4 more
doaj   +1 more source

Measurements of nonlinear harmonic waves at cracked interfaces [PDF]

, 2010
Nonlinear harmonic waves generated at cracked interfaces are investigated both experimentally and theoretically. A compact tension specimen is fabricated and the amplitude of transmitted wave is analyzed as a function of position along the fatigued crack
Barnard, Daniel J., Jeong, Hyunjo
core   +2 more sources

Materials Science and Technology - Nuclear Materials, Advanced Course - Kon-67.5100 Postgraduate Seminar on Engineering Materials - Seminar papers 8 October, 2015 [PDF]

, 2015
The Engineering materials research group of Department of Engineering Design and Production of Aalto University arranged a postgraduate course on nuclear materials.
Hänninen, Hannu (editor), Kiesi, Timo, Kiesi, Timo (editor), Leskelä, Esa, Lindqvist, Sebastian, Lindroos, Vesa, Pohja, Rami, Rantanen, Ville, Salenius, Elina, Sarikka, Teemu   +9 more
core  

Risk Assessment of Pressure Vessels by Using Fracture Mechanics and Advanced Ultrasonic Testing [PDF]

Risk assessment of cracked cylindrical pressure vessels for compressed air by using basic fracture mechanics and advanced methods of non-destructive testing (NDT), such as Phased Array Ultrasound (PAUT) and Time-of-Flight Diffraction (TOFD), is presented.
Bakić, Gordana, Milovanović, Nikola, Milošević, Nenad, Opačić, Mirjana F., Sedmak, Aleksandar   +4 more
core   +2 more sources

Sizing of cracks embedded in sub-cladding using the ultrasonic synthetic aperture focusing technique (SAFT) [PDF]

, 2004
This paper deals with the experimental work carried out to demonstrate the feasibility of the ultrasonic Synthetic Aperture Focusing Technique (SAFT) to obtain improved detection and sizing of vertical/inclined (10° and 15° simulated cracks underneath ...
Baby, Sony, Balasubramanian, T., Baldev Raj,, Jayakumar, T., Pardikar, R. J., Rajkumar, K. V.   +5 more
core   +1 more source

Методы повышения точности при измерении твердости деталей [PDF]

, 2017
Конференція проходила за підтримки Кафедри приладів і систем неруйнівного контролю ПБФ КПІ ім.
Глушкова, Д. Б., Гринченко, Е. Д., Демченко, С. В., Костина, Л. Л.   +3 more
core  

System of non-destructive control in steel foundries [PDF]

, 2012
Tato bakalářská práce se zabývá systémem kontroly odlitků ve slévárně ocelových odlitků s důrazem na nedestruktivní zkoušení. Nahlíží na celý proces kontroly odlitku od tavby až po jeho expedici.
Hemala, Robert
core  

Quantitative flaw characterization with ultrasonic phased arrays [PDF]

, 2013
Ultrasonic nondestructive evaluation (NDE) is a critical diagnostic tool in many industries. It is used to characterize potentially dangerous flaws in critical components for aerospace, automotive, and energy applications.
Engle, Brady
core   +2 more sources