Journal
JOURNAL OF ELECTRONIC IMAGING
Volume 31, Issue 5, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JEI.31.5.051605
Keywords
image processing; machine learning; tribology
Funding
- French National Research Agency (ANR) under the Investments for the Future Program (PIA) [EUR MANUTECH SLEIGHT - ANR-17-EURE-0026]
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In this study, a method is proposed to characterize third body particles generated by dry friction using image acquisition and analysis. The particles are observed by scanning electron microscopy and segmented using machine learning at the pixel level. The most relevant geometrical and textural descriptors are then selected and correlated to tribological characteristics. The method provides quantitative results to better understand the mechanisms of wear phenomenon and the morphology of ejected third body particles.
Tribology is the science and engineering of interacting surfaces in relative motion. In this context, dry friction between two bodies generates wear particles known as third body particles. We propose to characterize these particles using image acquisition and analysis. The images of wear particles are observed by scanning electron microscopy and further segmented using machine learning at the pixel level. Thereafter, the most relevant geometrical and textural descriptors are selected by a sensitivity study and correlated to tribological characteristics. The proposed tools give first quantitative results to better understand, for industrial purposes, the mechanisms involved in the wear phenomenon, and the morphology of ejected third body particles. (c) 2022 SPIE and IS&T
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