Institute of Fundamental Technological Research
Polish Academy of Sciences

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Łukasz Antolik

Railway Research Institute (PL)

Recent publications
1.  Katz T., Mackiewicz S., Ranachowski Z., Kowalewski Z.L., Antolik Ł., Ultrasonic detection of transversal cracks in rail heads - theoretical approach, ENGINEERING TRANSACTIONS (ROZPRAWY INŻYNIERSKIE), ISSN: 0867-888X, DOI: 10.24423/EngTrans.1695.20211220, Vol.69, No.4, pp.437-456, 2021

Abstract:
In the paper the calculation of ultrasonic field generated by the transmitting transducer and the energy of the beam returning after the reflection at the defect in the rail volume is presented. The focus of the authors is directed on the specific transducer - defect configurations where the common methods of determination of ultrasonic beam trajectory fails. To solve this problem the refraction effexts are studied and its impact is calculated.

Keywords:
non-destructive testing, rolling contact fatigue damage, ultrasound

Affiliations:
Katz T. - IPPT PAN
Mackiewicz S. - IPPT PAN
Ranachowski Z. - IPPT PAN
Kowalewski Z.L. - IPPT PAN
Antolik Ł. - Railway Research Institute (PL)

Patents
Filing No./Date
Filing Publication
Autors
Title
Protection Area, Applicant Name
Patent Number
Date of Grant
pdf
445721
2023-07-31
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Antolik Ł., Mackiewicz S., Ranachowski Z., Katz T.
Double ultrasonic head of longitudinal waves for detecting head checking, squat or combination defects in railway rails and the method of detecting defects in railway rails using this head
PL, Instytut Podstawowych Problemów Techniki PAN, Instytut Kolejnictwa
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