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Investigation of the Voltage-Induced Damage Progression on the Raceway Surfaces of Thrust Ball Bearings

Harder, André ; Zaiat, Anatoly ; Becker-Dombrowsky, Florian Michael ; Puchtler, Steffen ; Kirchner, Eckhard (2023)
Investigation of the Voltage-Induced Damage Progression on the Raceway Surfaces of Thrust Ball Bearings.
In: Machines, 2022, 10 (10)
doi: 10.26083/tuprints-00026405
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Investigation of the Voltage-Induced Damage Progression on the Raceway Surfaces of Thrust Ball Bearings
Language: English
Date: 11 December 2023
Place of Publication: Darmstadt
Year of primary publication: 21 September 2022
Place of primary publication: Basel, Schweiz
Publisher: MDPI
Journal or Publication Title: Machines
Volume of the journal: 10
Issue Number: 10
Collation: 16 Seiten
DOI: 10.26083/tuprints-00026405
Corresponding Links:
Origin: Secondary publication service

In the course of the electrification of powertrains, rolling element bearings are increasingly subject to electrical damage. In contrast to mechanically generated pittings, voltage-induced surface damage is a continuous process. Though several approaches for the description of the damage state of a bearing are known, a generally accepted quantification for the bearing damage has not been established yet. This paper investigates surface properties, which can be used as a metric damage scale for the quantification of the electric bearing damage progression. For this purpose, the requirements for suitable surface properties are defined. Afterwards, thrust ball bearings are installed on a test rig, with constantly loaded mechanically and periodically damaged electrically in multiple phases. After each phase, the bearings are disassembled, the bearing surfaces are graded and measured for 45 different standardized surface properties. These properties are evaluated with the defined requirements. For the ones meeting the requirements, critical levels are presented, which allow for a quantified distinction between grey frosting and corrugation surfaces. These values are compared with measurements presented in the literature showing that the identified surface properties are suitable for the quantification of electrical bearing damages.

Uncontrolled Keywords: electric bearing damages, thrust ball bearings, electric powertrains, corrugation pattern, electric damage progression
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-264055
Classification DDC: 600 Technology, medicine, applied sciences > 621.3 Electrical engineering, electronics
Divisions: 16 Department of Mechanical Engineering > Institute for Product Development and Machine Elements (pmd)
Date Deposited: 11 Dec 2023 10:55
Last Modified: 15 Dec 2023 10:42
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/26405
PPN: 513969438
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