WEAR IN THE MICROSCALE OF CAST IRON PISTON RING/COMPOSITE CYLINDER LINER CONTACT
Journal Title: Tribologia - Year 2015, Vol 261, Issue 3
Abstract
The paper presents an attempt to explain the mechanism of wear in a contact cast iron piston ring/composite cylinder liner analysed at a microscale by using of lamellar model of a pearlite. For calculation of local stresses and strains levels in a pearlite, which constitutes the matrix of cast iron being in a contact with reinforcing fibres in a cylinder liner, a geometrical model was built and calculations using FEM were carried out. Stereological parameters of pearlite grains and fibres in a composite were used for the construction of the geometrical model. Local distributions of stresses and strains in cementite and ferrite lamellas have been acquired as a result of calculations carried out. Stresses calculated by using the simplified model (isotropic pearlite grains) are different from those calculated by using the enlarged model (cementite and ferrite lamellas in pearlite grains). These values allow one to explain the wear mechanism of the investigated contact.<br/><br/>
Authors and Affiliations
Andrzej POSMYK, Henryk BĄKOWSKI
Keywords
Related Articles
- EP ID EP257783
- DOI -
- Views 50
- Downloads 0
MECHANISMS OF PVD COATED ELEMENTS SURFACE LAYER DESTRUCTION CAUSED BY PITTING
In the paper, the analyses results concerning the state of the art in the area of wear mechanisms of coated elements working under concentrated friction contact conditions are presented. The critical assessment of the af...
ANALYSIS INTO THE INFLUENCE OF SELECTED TOOTHED GEAR PARAMETERS ON THE VALUE OF SLIPPAGE AND CONTACT STRESSES IN A CYLINDRICAL GEARBOX
The paper presents issues concerning the geometrical and durability calculations of power shift gearboxes with multi-criterion optimization, using proprietary computer software. Among many parameters influencing the valu...
Wpływ wybranych parametrów obróbki elektroerozyjnej na cechy powierzchni obrobionej
Tematyka obejmuje zagadnienia z zakresu niekonwencjonalnych metod kształtowania materiałów trudnoskrawalnych – obróbki elektroerozyjnej EDM. W pracy przedstawiono wyniki badań, na podstawie których określono wpływ wybran...
Analysis of phenomena in real contact spots due to dynamic force under tangential micromotion
THE EFFECT OF FRICTION ON THE EFFICIENCY OF SEWING MACHINES IN THE SHOE INDUSTRY
This paper contains a description of tests and results obtained from the tribological system of a sewing machine with a traditional power transmission system compared with a power transmission system with an additionaly...