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Characterisation of Worn Cylinder Liner Surfaces by Segmentation of Honing and Wear Scratches
Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.ORCID iD: 0000-0003-3149-4296
Volvo Car Corporation, Göteborg, Sweden.
Volvo Power Train Corp., Volvo Group, Göteborg, Sweden.
Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.ORCID iD: 0000-0001-8058-1252
2009 (English)In: Proceedings of the 12th International Conference on Metrology and Properties of Engineering Surfaces: July 8th - 10th 2009, Rzeszów, Poland / [ed] P. Pawlus, L. Blunt, B.-G. Rosén, T. Thomas, M. Wieczorowski, H. Zahouani, Rzesow, Poland: Rzeszow University of Technology , 2009, p. 187-192Conference paper, Published paper (Refereed)
Abstract [en]

The presence of the honing scratches/grooves in cylinder liner surfaces is intended and desired as they improve the lubrication and retain the debris reducing the piston assembly/liner friction and consequently improve the fuel economy and longevity of the internal combustion (IC) engines. Axial scratches caused by the abrasive wear between the tribological partners and/or entrained wear particles are undesired since they are correlated with increased oil consumption and noxious emissions of the IC engines. Due to the imperfection of the manufacturing process, the honing grooves, especially the deep ones, are smeared and interrupted by folds. A portion of the folds would eventually detach during the running process and act as abrasive particles increasing the wear in the cylinder. To closely examine the influence of all these features on the liner's function, it emerges a need to objectively quantify the axial wear scratches, plateau honing grooves, deep honing grooves and their interrupts. The existing techniques fail to segment a groove containing interrupts as they usually appear as summits at several locations in the course of the groove. Combining the profile and image analyses, the deep grooves and their interrupts were successfully identified and quantified in earlier works of the authors. In this paper those algorithms are extended, so that the deep honing grooves, plateau honing grooves and axial scratches crossing different depth levels are sequentially segmented in three levels/steps in an immersing way. A number of parameters derived from this method were utilised to compare 3D interference measurements from the top dead centre, middle and bottom region of a liner run in a truck engine test whereas the three regions represent different wear regimes due to the different running conditions. The results show that: (i) the axial scratches are densest in the top dead centre and about the same size as the plateau grooves in all three regions, while in the bottom region there are only few scratches; (ii) the presence of plateau grooves in the top region clearly decreases, (iii) the deep groove interrupt and coverage are lowest in the top region, and (iv) the groove height and distance between grooves spread mostly. © 2010 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Rzesow, Poland: Rzeszow University of Technology , 2009. p. 187-192
Keywords [en]
Cylinder liner wear characterisation, Honing grooves, Axial scratches
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-3606ISBN: 978-83-7199-545-3 OAI: oai:DiVA.org:hh-3606DiVA, id: diva2:280611
Conference
12th International Conference on Metrology and Properties of Engineering Surfaces, July 8th - 10th 2009, Rzeszów, Poland
Available from: 2009-12-10 Created: 2009-12-10 Last updated: 2018-03-23Bibliographically approved

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Dimkovski, ZlateAnderberg, CeciliaRosén, Bengt-Göran

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