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RISInfluence of a Hard Surface Layer on the Limit of Elastic Contact—Part I: Analysis Using a Real Surface Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical simulation technique for calculating the pressure distribution and the deformed geometry of an elastic half-space which has a hard surface layer in contact with a rigid indenter ...
An Ultrathin Liquid Film Lubrication Theory—Calculation Method of Solvation Pressure and Its Application to the EHL Problem
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a new method for calculating the solvation pressure that acts between solid surfaces when the surfaces approach each other to within a very small distance in a liquid ...
Influence of a Hard Surface Layer on the Limit of Elastic Contact—Part II: Analysis Using a Modified GW Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Greenwood and Williamson microcontact model of rough surfaces is modified to include the presence of a surface layer which is stiffer and harder than the substrate. The axisymmetric contact ...
Frictional Heating of a Composite
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical analysis has been carried out for a three-dimensional frictional heating problem of a composite material, in which an asperity contact (heat source) moves across the boundary of the ...
Effect of Thermal Distortion on Wear of Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The worn surface profile of a composite structure was experimentally and numerically investigated focusing on the effects of sliding conditions. Wear tests on composites made of an oxide ceramic ...
Discrete Nature of Ultrathin Lubrication Film Between Mica Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new apparatus which can measure force and separation between surfaces accurately is developed. Ultrathin fluid lubrication film thickness between mica surfaces is measured using this apparatus. ...
Effects of Groove Orientation on Hydrodynamic Behavior of Wet Clutch Coolant Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A steady-state Reynolds type equation with inertia consideration is solved numerically for a coolant film entrapped between a grooved separator-friction plate pair of a multidisk wet clutch ...
Effects of a Groove on the Behavior of a Squeeze Film Between a Grooved and a Plain Rotating Annular Disk
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model simulating the squeezing process of an annular disk rotating against a grooved counterpart has been developed. Grooving effects are incorporated using the narrow groove assumption. Disks ...
Rubber Surface Squeeze Film
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical solutions for the squeeze film problem, in which one of the surfaces is made of rubber and moves sinusoidally, are presented. Viscoelasticity and in-compressibility of the rubber are ...
Possibility of Organic Monolayer Films as Lubricants for Disk Drives: Comparative Study of PFPE and Organosilane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Organosilane monolayer of 1H,1H,2H,2H-perfluorodecyltrichlorosilane and PFPE lubricant films were deposited on magnetic hard disk surfaces protected with amorphous carbon overcoats, and their frictional ...