...: 759970044@qq.com Email: 513528755@qq.com Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 21 04 2022 11 07 2022 14 07 2022 29 08 2022 elliptical bearing surface texture Reynolds equation friction coefficient...

...Shuyun Jiang; Pengfei Liu; Xiaohui Lin Water-lubricated hydrodynamic spiral groove bearing is a potential support way for high-speed rotary machine, but the frictional power loss of the bearing will increase with the rotatory speed. Surface texture processing should be an effective technical means...

... Averaged Reynolds Equation ,” Tribol. Int. , 43 ( 11 ), pp. 2100 – 2109 . 10.1016/j.triboint.2010.06.001 [18] Dobrica , M. B. , Fillon , M. , Pascovici , M. D. , and Cicone , T. , 2010 , “ Optimizing Surface Texture for Hydrodynamic Lubricated Contacts Using a Mass-Conserving...

...” articular face with grooves or texture features on the surface to reduce the articulating surface area of a prosthetic hip or knee implant [ 105 ]. Salehi et al. proposed reducing the bearing area with indentations on the surface to reduce the wear [ 106 ]. Chan and Ochoa described applying surface textures...

... in Wear Resistance ,” Precis. Eng. , 33 ( 4 ), pp. 492 – 498 . 10.1016/j.precisioneng.2009.01.005 [19] Ibatan , T. , Uddin , M. S. , and Chowdhury , M. A. K. , 2015 , “ Recent Development on Surface Texturing in Enhancing Tribological Performance of Bearing Sliders ,” Surf...

... accuracies of the honed cylinder bore. However, most researches predicted dimensional accuracy at macroscale or surface texture at microscale, respectively. Few efforts were devoted to predict the dimensional quality of honed cylinder bore at both macroscale and microscale levels simultaneously. To explore...

... 01 2020 22 01 2020 11 02 2020 surface texture elastohydrodynamic lubrication numerical analysis film thickness artificial joints bio-tribology elastohydrodynamic lubrication surface treatments Total hip replacement (THR) is one of the most common surgical procedures...

... 0.6 0.6 L X 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 L Y 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 +∞ A model-based simulation with a mixed EHL formulation was applied to study the friction reducing mechanism of surface texturing in EHL contacts...

... scale of surface roughness on the friction coefficient for full-film lubrication as well as a beginning of improvement for mixed lubrication. roughness scale surface texture lubrication friction References [1] Dowson , D. , and Higginson , G. R. , 1966 , Elastohydrodynamic...

... of various surface textures. The steel flat surface textures were specifically prepared to allow for imposing varying amounts of strain rates at the contacting interface during sliding motion. In the experiments, it was observed that titanium (a harder material than iron) formed a transfer layer on H-11...

...Ruiting Tong; Geng Liu; Tianxiang Liu Nanoscale sliding contacts are the major factors that influence the friction and result in wear in micro/nanoelectromechanical systems. Many experimental studies indicated that some surface textures could help improve the contact characteristics and reduce...

...Y. Qiu; M. M. Khonsari A mass-conservative algorithm that implements the Jakobsson–Floberg–Olsson cavitation theory is used to predict the performances of seal-like structures and thrust bearings with a dimpled surface texture. The results of a series of simulations for load-carrying capacity, film...

... Menezes , P. L. , Kishore , and Kailas , S. V. , 2007 , “ Response of Materials During Sliding on Various Surface Textures ,” Proceeding of the STLE/ASME International Joint Tribology Conference , San Diego, CA, pp. 709 – 711 . Buckley , D. H. , 1967 , “ Friction Characteristics...

... and emerging technologies at smaller scales. One way to increase tribological performance of such applications is through nanoscale surface texturing. These textures will allow for precise control of the performance of lubricated surfaces with very thin films. This work examines how the behavior...

... deep drawing forming processes friction lubricants lubrication quality control rolling sheet metal processing surface texture surface topography tools surface microstructure friction rolling direction strip drawing test 3D surface parameters In sheet metal forming...

...Shaoxian Bai; Xudong Peng; Yonggang Meng; Shizhu Wen Contours of surface texture of contact faces are not always parallel to the directions of the axis in solving Reynolds equations with finite difference method, and this often induces significant pressure saw-tooth effect, which results...

...Pradeep L. Menezes; Kishore; Satish V. Kailas; Michael R. Lovell Surface texture plays an important role in the frictional behavior and transfer layer formation of contacting surfaces. In the present investigation, basic experiments were conducted using an inclined pin-on-plate sliding apparatus...

... Fourier transforms gears mechanical contact rollers (machinery) stress-strain relations surface roughness surface texture elastic contact FFT based algorithms textured surface Contrary to ball bearings with point (or elliptical) contacts, spur gears and cam-roller follower systems...

...A. Shinkarenko; Y. Kligerman; I. Etsion This paper presents a nonlinear theoretical model to study the effect of laser surface texturing on the tribological performance in soft elastohydrodynamic lubrication. Both geometrical and physical nonlinearities of the elastomer are considered by using...

... for the pressure flow and the shear flow were tabulated and interpolated at every mesh point, and then the spacing variations of typical sliders on a discrete track recording medium were demonstrated. lubrication magnetic disc storage magnetic heads shear flow surface texture thin films magnetic disk...