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Capacity test of ultrasonic equipment used for crack detection in railway application
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Trafikverket, Luleå.
2011 (English)In: International Journal of Systems Assurance Engineering and Management, ISSN 0975-6809, E-ISSN 0976-4348, Vol. 2, no 2, p. 163-168Article in journal (Refereed) Published
Abstract [en]

Manganese crossings are widely used in the railway sector because of their self-hardening properties, but one major disadvantage is that maintenance actions using condition monitoring of internal flaws are problematic to perform since manganese material is coarse-grained with internal reflections. In the present study, spike- and square-pulsed ultrasonic apparatus, as well as phased aperture and time-corrected gain, together with suitable probes, was tested on manganese material in order to increase the understanding of the signal-noise ratio and the capacity to detect deeply placed internal flaws. Some of the most important results indicate that square pulses and timecorrected gain will increase the signal-noise ratio and also increase the capacity to find deeply placed flaws

Place, publisher, year, edition, pages
2011. Vol. 2, no 2, p. 163-168
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-3396DOI: 10.1007/s13198-011-0074-5Scopus ID: 2-s2.0-84862116277Local ID: 13824cb2-31b9-4a46-b99d-56542edd5ae0OAI: oai:DiVA.org:ltu-3396DiVA, id: diva2:976254
Note
Validerad; 2012; 20120621 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Lundberg, Jan

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