SURFACE TOPOGRAPHY ANALYSIS OF SLEEVES WITH MICRO-GROOVES OF SLIDE MICRO-BEARINGS

Journal Title: Tribologia - Year 2012, Vol 243, Issue 3

Abstract

This paper presents the sleeve surface topography containing microgrooves measured by virtue of Atomic Force Microscopy NT-206 constructed in MTM Belarus, and a T8000-R60 Hommeltester profile measurement gauge. The topography was generated in 2D and 3D charts for the cross-sections of the considered surface sample. The topography was developed for slide micro-bearing sleeve applied in 2.5" HDD Samsung HM160HI – 5400rpm, 3.5" HDD Seagate Barracuda 7200.10 ST380815AS – 7200 RPM and in computer ventilator Kama Flow SP0825FDB12H. The micro-bearings were exploited for one year at nominal rotational speed for two cases. The first case included continuous operation of 24 hours per day. The second case included interrupted operation, e.g. 15 minutes on and 15 minutes off. By virtue of the results obtained using profile measurement gauge, we can record the quantities, shapes, and location of microgrooves. Moreover, the results obtained using AFM were helpful for roughness assessment and wear surface evaluation.

Authors and Affiliations

Andrzej Miszczak, Krzysztof Wierzcholski

Keywords

Related Articles

DYNAMIC MODELS OF FRICTION IN THE ANALYSES OF THE TANGENTIAL CONTACT VIBRATION EFFECT ON FRICTION FORCES IN SLIDING MOTION

The explanation of driving force reduction in sliding motion under the influence of longitudinal tangential contact vibrations demands the adequate analyses of friction force changes caused by these vibrations. The resul...

THE ANALYSIS OF THE SELECTED PROCESSES OF THERMO-CHEMICAL HEAT TREATMENT OF 20MnCr5 STEEL IN THE CONTEXT OF ABRASIVE WEAR

This paper presents the results of tribological tests performed on a T-11 pin-on-disc type, which made it possible to determine the intensity of abrasive wear of steel 20MnCr5 subjected to selected thermo-chemical heat t...

SHAPES OF NANO-GROOVES AND RIDGE SHAPES ON MICRO-BEARING SURFACES

In micro-bearings, where journal diameter has values up to 1 millimetre and the height of the micro-bearing gap has the largest value 1 micrometer, the intelligent features are attained by the groove and ridges on the sl...

DEFORMATIONS AND FRACTURE ANALYSIS OF COATING-SUBSTRATE SYSTEMS USING INDENTATION METHOD WITH DIFFERENT INDENTERS

Load bearing capacity of coating-substrate systems can be found from indentation experiments using different indenter geometry by transforming the load-depth indentation diagram to stress-strain diagram. In article consi...

THE ANTIWEAR EFFECTIVENESS OF LUBRICANTS CONTAINING CHO-TYPE ADDITIVES

The aim of this study was to investigate the possibility of application of CHO-type substances, derived from rapeseed oil refining, as effective antiwear modifiers in lubricants. The study showed a dominant influence of...

Download PDF file
  • EP ID EP270447
  • DOI -
  • Views 44
  • Downloads 0

How To Cite

Andrzej Miszczak, Krzysztof Wierzcholski (2012). SURFACE TOPOGRAPHY ANALYSIS OF SLEEVES WITH MICRO-GROOVES OF SLIDE MICRO-BEARINGS. Tribologia, 243(3), 103-110. https://europub.co.uk/articles/-A-270447