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Blindfold tests on manganese crossing in railway application
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Andreasen AB.
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. 169-182Article 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. The reason is that manganese material is coarse-grained with internal reflections. In the present study, measurements on internal flaws with a spectrum of ultrasonic equipment were performed on a real manganese crossing. After the measurements, the crossing was cut up and inspected. Correlations with the measurements and the real flaws indicate that, independent of the equipment used, false echoes were common, as well as a low capacity to indicate real flaws.

Place, publisher, year, edition, pages
2011. Vol. 2, no 2, p. 169-182
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-8280DOI: 10.1007/s13198-011-0073-6Scopus ID: 2-s2.0-84862129550Local ID: 6c469d78-146e-43be-afd9-403441428a74OAI: oai:DiVA.org:ltu-8280DiVA, id: diva2:981171
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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