... automotive components engines friction lubricating oils lubrication molybdenum compounds organic compounds regression analysis steel valves zinc compounds boundary lubrication friction molybdenum dithiocarbamate (MoDTC), zinc dialkyldithiophosphate (ZDDP), detergent dispersant...

..., the reader is referred to Baart et al. [( 1 )]. radial lip seal grease rheology sealing function contaminant particle migration greases lubricating oils organic compounds probability rolling bearings sealing materials viscosity 27 05 2011 27 05 2011 06 10 2011 06...

... in lubricating oil can be affected by a number of factors but is generally related to the amount of water, oxidation levels, types of additives, and chemical breakdown products. The most common types of acid found in gearbox lubrication are oxoacids, which are composed of one oxygen atom, one hydrogen atom...

...Satish C. Sharma; E. Rajasekhar Nicodemus; Nathi Ram The present work aims to analytically study the performance of misaligned four-pocket, membrane compensated, hybrid journal bearing system operating with micropolar lubricant. In the present study, the flow characteristic of the lubricating oil...

... Roelands , C. J. A. , Vulgter , J. C. , and Waltermann , H. I. , 1963 , “The Viscosity Temperature Pressure Relationship of Lubrication Oils and its Correlation With Chemical Constitution,” ASME J. Basic Eng. , 85 , pp. 601 – 607 . 28 Venner , C. H. and Lubrecht...

... and gas (e.g., the oil and air) strongly influence the conditions for the inception of aeration in lubricating flow. aerating lubrication flow clutch surface tension contact angle groove drag reduction contact angle discs (structures) drag reduction fluids inclusions lubricating...

... lubrication regime contact, ( d ) a thick oil film, ( e ) the spring model representation 30 12 2010 06 04 2011 17 06 2011 17 06 2011 elastic moduli film flow flow separation flow visualisation hydrodynamics liquid films lubricating oils rheology rough surfaces...

... to be responsible for the decreased oil absorption and pore plugging of the friction material surface. 30 03 2010 22 12 2010 22 03 2011 22 03 2011 clutches detergents lubricating oils mechanical contact sliding friction steel friction ATF antishudder Passenger car...

... of the products was analyzed by means of Fourier transformation infrared spectrometry, elemental analysis, and so on. The thermal stability of the products was evaluated by thermogravimetric analysis. The tribological properties of the synthesized borate esters as lubricating oil additives in liquid paraffin were...

... that of the bare oil. However, the severity of frictional heating decreased in general in the oil containing solid lubricant particles. Seizure brought about high frictional heating and wear rate. 23 12 2009 16 07 2010 23 09 2010 23 09 2010 cast iron lubricating oils lubrication...

... study assessing the additive/additive and additive/surface interactions, and their influences on the durability of a low hydrogen-containing ( 15 at . % hydrogen) metal-free DLC coating (a-C:15H). In this study, lubricating oils containing a zinc dithiophosphate (ZDDP) antiwear additive...

.... Yet, a continuous supply of lubrication oil is necessary, even during disengagement. This study examines the underlying processes responsible for the oil flow between grooved disks and possible aeration through a combination of experiments and numerical computations. A two-dimensional model...

... of the oil supply, an amount of lubricating oil in a wedge region is insufficient, and a region of formation of an oil film varied with the amount of oil supplied. Therefore, in this study, an analysis is performed using a model for calculating a change in a region of oil film formation by changing...

... processing conditions. 27 04 2009 25 08 2009 09 11 2009 09 11 2009 aluminium alloys billets dies (machine tools) extrusion finite element analysis friction lubricating oils shear strength surface roughness tip test friction measurement tip distance backward...

... ) measured losses from jet-lubricated spur gear systems experimentally. They proposed an analysis of the power required to pump the oil trapped between mating gears. Akin et al. ( 10 11 ) analyzed the effect of rotationally induced windage on the lubricating oil distribution in the space between adjacent...

..., Pennsylvania State University, State College, PA. Naruse , C. , and Haizuka , S. , 1978 , “ Limiting Loads for Scoring and Coefficient of Friction on a Disk-Machine (Effects of Lubricating Oil, Specific Sliding and Sliding Velocity in the Case of Steel/Steel) ,” Bull. JSME , 21 , pp. 1311...

... Clearance, mm C r = 0.175 C H = 0.175 C V = 0.115 Length, mm 14.5 14.5 Load, N 5.66 5.66 01 05 2008 20 08 2008 04 12 2008 lubricating oils lubrication machine bearings journal bearing stability oil supply groove...

... corrosion protective coatings friction lubricating oils scanning electron microscopy thermal stability wear resistant coatings X-ray photoelectron spectra rapeseed oil benzotriazolyl polysulfides anticorrosive capability tribological properties In gear oil and hydraulic oil, extreme...

... aluminium copper friction liquid mixtures lubricating oils lubrication mechanical contact mixing particle size powders rheology viscosity wear sheet metal forming tribometer pin-on-disk test environmentally friendly lubricants powder lubrication The U.S. consumed more than...

... demarcation. 12 08 2007 04 08 2008 abrasion lubricating oils lubrication materials testing scanning electron microscopy steel thin films transmission electron microscopy polarity lubrication tribofilm wear nanoparticles Tribofilms play an important role...