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Jacek Szelążek

Polish Academy of Sciences

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Featured researches published by Jacek Szelążek.

Smart Materials and Structures | 2011

Structural health monitoring of a railway truss bridge using vibration-based and ultrasonic methods

Przemysław Kołakowski; Jacek Szelążek; Krzysztof Sekuła; Andrzej Świercz; Krzysztof Mizerski; P. Gutkiewicz

This paper presents results of in situ investigation of a railway truss bridge in the context of structural health monitoring (SHM). Three experimental methods are examined. Dynamic responses of the bridge recorded by strain gauges are confronted with alternative ways of acquisition using piezoelectric patch sensors and ultrasonic probeheads. All types of sensors produce similar output. Also the corresponding responses of the numerical model of the bridge match experimental data.

Journal of Nondestructive Evaluation | 2015

Ultrasonic Evaluation of Residual Hoop Stress in Forged and Cast Railroads Wheels—Differences

Jacek Szelążek

Ndt & E International | 2009

New samples with artificial voids for ultrasonic investigation of material damage due to creep

Jacek Szelążek; S. Mackiewicz; Zbigniew L. Kowalewski

Measurement | 2016

Structural damage detectability using modal and ultrasonic approaches

Bartlomiej Blachowski; Andrzej Swiercz; P. Gutkiewicz; Jacek Szelążek; W. Gutkowski

Journal of Pressure Vessel Technology-transactions of The Asme | 2014

Ultrasonic Measurement of Thick-Walled Pipe Diameter Changes

Jacek Szelążek; P. Gutkiewicz; P. Grzywna; S. Mackiewicz

Journal of Nondestructive Evaluation | 2013

Sets of Piezoelectric Probeheads for Stress Evaluation with Subsurface Waves

Jacek Szelążek

Drogi i Mosty | 2011

Ultradźwiękowe pomiary naprężeń z wykorzystaniem fali podłużnej - próba zastosowania do badania konstrukcji mostowej

Jacek Szelążek; P. Gutkiewicz; S. Mackiewicz

Przegląd Spawalnictwa - Welding Technology Review | 2014

Próbki szklane grawerowane laserowo jako wzorce dwójłomności akustycznej w badaniach ultradźwiękowych

Jacek Szelążek

Przegląd Spawalnictwa - Welding Technology Review | 2013

Rozwój głowic piezoelektrycznych do pomiarów dwójłomności akustycznej

Jacek Szelążek

Inżynieria Materiałowa | 2013

Wykorzystanie współczynnika odbicia fal ultradźwiękowych do oceny kontaktu powierzchni chropowatych

Grzegorz Starzyński; S. Mackiewicz; Jacek Szelążek

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P. Gutkiewicz

Polish Academy of Sciences

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S. Mackiewicz

Polish Academy of Sciences

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Andrzej Świercz

Warsaw University of Technology

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Bartlomiej Blachowski

Polish Academy of Sciences

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Grzegorz Starzyński

Polish Academy of Sciences

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Krzysztof Sekuła

Warsaw University of Technology

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P. Grzywna

Polish Academy of Sciences

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Przemysław Kołakowski

Polish Academy of Sciences

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W. Gutkowski

Polish Academy of Sciences

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Zbigniew L. Kowalewski

Polish Academy of Sciences

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