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The Detection of Plastic Deformation in Rolling Element Bearings by Acoustic Emission
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Number of Authors: 4
2017 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 110, 209-215 p.Article in journal (Refereed) Published
Abstract [en]

The detection of plastic deformation caused by particle contamination in rolling element bearings using acoustic emission is reliable at low speeds as shown in several studies. However, there are no studies at greater speeds of the detection of plastic deformation by acoustic emission in rolling element bearings. The acoustic emission signals of rolling element bearings have, however, been shown to be dominated by transient force signals which are elastic waves caused by transient forces acting at the raceway surface. The results of the test showed a dominance of transient force signals at elevated speeds, which masks signals caused by plastic deformation and prohibits the detection of particle contamination, while at low rotational speed plastic deformation is detected by acoustic emission.

Place, publisher, year, edition, pages
2017. Vol. 110, 209-215 p.
National Category
Tribology Applied Mechanics
Research subject
Machine Elements; Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-62088DOI: 10.1016/j.triboint.2017.02.021ISI: 000398871700023Scopus ID: 2-s2.0-85013782176OAI: oai:DiVA.org:ltu-62088DiVA: diva2:1075567
Note

Validerad; 2017; Nivå 2; 2017-03-09 (andbra)

Available from: 2017-02-20 Created: 2017-02-20 Last updated: 2017-05-05Bibliographically approved

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