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The structural, tribological, and rheological dependency of thin hexadecane film confined between iron and iron oxide surfaces under sliding conditions.
- Source :
-
Tribology International . Sep2017, Vol. 113, p26-35. 10p. - Publication Year :
- 2017
-
Abstract
- Molecular dynamics simulations have been carried out to investigate the tribological, structural and rheological properties of thin film hexadecane confined between different iron and iron oxide surfaces. The interfacial slip becomes severe with the increase of loading pressure and shear rate but it is insensitive to temperature. The shear stress increases with the loading pressure whereas the coefficient of friction shows a contrasting propensity. The shear stress and coefficient of friction increase with shear rate; and decrease with higher surface temperature. A logarithmic function has been proposed to correlate the variation of friction with shear rate. The shear viscosity increases exponentially with the loading pressure but this rheological component levels off when the loading pressure exceeds a critical value. [ABSTRACT FROM AUTHOR]
- Subjects :
- *TRIBOLOGY
*RHEOLOGY
*FERRIC oxide
*MOLECULAR dynamics
*SHEARING force
Subjects
Details
- Language :
- English
- ISSN :
- 0301679X
- Volume :
- 113
- Database :
- Academic Search Index
- Journal :
- Tribology International
- Publication Type :
- Academic Journal
- Accession number :
- 123258908
- Full Text :
- https://doi.org/10.1016/j.triboint.2016.12.001