A descriptive model of wear evolution in rolling bearings

Idriss El-Thalji, Erkki Jantunen

    Research output: Contribution to journalArticleScientificpeer-review

    44 Citations (Scopus)

    Abstract

    Rolling contact wear is a complex phenomenon that might involve different wear mechanisms (adhesive, abrasive, fatigue and corrosive) and different stress concentration mechanisms (asperity, dent, debris, inclusions, etc.). The interactions among these mechanisms might accelerate or decelerate the overall wear progress. Therefore, it is complicated to model and monitor the fluctuations of wear progress. The current descriptive models are either describing individual physical phenomena within rolling contact wear or describing a specific stage of wear progress. Thus, the interactions among different wear mechanisms and the transition events among different stages of wear progress are not sufficiently addressed. Therefore, the purpose of this paper is to propose a descriptive model of the wear evolution process in rolling bearings over the whole lifetime. The descriptive model utilises a wide range of empirical findings in the literature to describe the wear interactions and evolution in the five-stage scenario: running-in, steady-state, defect initiation, defect propagation, and damage growth. The new descriptive model provides the most probable scenario of wear evolution in rolling bearings, which is useful for modelling and monitoring the wear progress. It illustrates the wear evolution stages, the involved wear mechanisms in each stage, the interaction among wear mechanisms in each stage, the surface topology changes and the influencing factors within each stage. For design, condition monitoring and prognosis purposes, these aspects are significantly important to understand, model, test and monitor the wear evolution process.
    Original languageEnglish
    Pages (from-to)204-224
    JournalEngineering Failure Analysis
    Volume45
    DOIs
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed

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    Bearings (structural)
    Wear of materials

    Keywords

    • wear evolution
    • rolling contact fatigue
    • abrasive wear
    • rolling bearing
    • condition monitoring

    Cite this

    El-Thalji, Idriss ; Jantunen, Erkki. / A descriptive model of wear evolution in rolling bearings. In: Engineering Failure Analysis. 2014 ; Vol. 45. pp. 204-224.
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    A descriptive model of wear evolution in rolling bearings. / El-Thalji, Idriss; Jantunen, Erkki.

    In: Engineering Failure Analysis, Vol. 45, 2014, p. 204-224.

    Research output: Contribution to journalArticleScientificpeer-review

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