1-20 of 42
Keywords: films
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1192
Published Online: November 3, 2022
... model by the coupling relationship between thermal effect, lubrication characteristics and dynamic characteristics. In the process of iterative solution of the model, an analytical model of lubricant film deformation is established and a time-varying meshing stiffness calculation model considering...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111202.
Paper No: TRIB-22-1079
Published Online: June 23, 2022
... years, many chemicals were screened for evaluating the bonding strength on silver surfaces. Finally, a mono-octadecanethiol (ODT) film was solidly bonded with silver surfaces in the laboratory utilizing an ultrasonic bath. To apply this technology for industry, the process must be tested in a real...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111602.
Paper No: TRIB-21-1572
Published Online: June 23, 2022
... between the lubricating angle and sliding angle is made clear, and the lubricating angle is recommended to determine the lubricating weak point. The kinematic-geometric coefficient of oil film thickness is proposed to evaluate preliminarily the lubricating characteristics of the gear drive. This theory...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2022, 144(9): 091701.
Paper No: TRIB-21-1438
Published Online: March 7, 2022
... on preferential load support by fillers. Recent studies found that tribochemical polarization of PTFE could trigger the formation of highly protective transfer films, thus resulting in exceptionally low wear-rates (k ∼ 10 −7 mm 3 /Nm) in certain composites. Although tribochemical interactions were believed...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071604.
Paper No: TRIB-21-1329
Published Online: February 8, 2022
..., and machining roughness. The distribution of the center film thickness of the LSR gear along the meshing line was predicted through an example the result of which was compared with a typical line contact EHL formula to verify the model. In addition, the difference was investigated in film thickness distribution...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071202.
Paper No: TRIB-21-1292
Published Online: February 8, 2022
... screw lubrication misalignment transmission performance films fluid film lubrication hydrodynamic lubrication hydrostatic lubrication National Natural Science Foundation of China 10.13039/501100001809 51875325 Natural Science Foundation of Shandong Province 10.13039...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2022, 144(4): 041803.
Paper No: TRIB-21-1142
Published Online: July 16, 2021
... shows that, with consideration of texture effect, the friction torque of the bearing is reduced, there exists an optimal texture parameter for a given film thickness, under which the bearing has the maximum load-carrying capacity, no obvious change rule is found for the volume flowrate...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031701.
Paper No: TRIB-21-1065
Published Online: June 7, 2021
... represents the average value of h 1 and h 2 [ 56 ]: (3) V = π 2 × h 2 × r × R Archard's linear wear equation, Eq. (4) , used for materials with homogeneous structure (substrates) or for coated samples before the film perforation, allows to analytically determine the wear...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2021, 143(9): 091201.
Paper No: TRIB-19-1478
Published Online: January 8, 2021
... boundary lubrication elastohydrodynamic lubrication films fluid film lubrication gears lubricants mixed lubrication tribological systems wear cooling heat transfer Modern jet engines for civil applications are characterized by high bypass ratios (BPR), high pressure ratios, and high...
Journal Articles
Article Type: Research Papers
J. Tribol. June 2021, 143(6): 061803.
Paper No: TRIB-20-1305
Published Online: October 27, 2020
...) linear time-varying (LTV) system. The system's film thickness and normal vibration are analyzed by Newmark- β method at two typical load cases. Results show that the new hybrid guideway's load capacity is greater than the hydrostatic guideway, and the normal vibration is small. Additionally...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2021, 143(1): 011704.
Paper No: TRIB-20-1015
Published Online: July 28, 2020
...Zhaoli Liu; Hang Li; Jianliang Li; Jiewen Huang; Jian Kong; Dangsheng Xiong In this study, the Mo-alloyed HfN films were prepared by DC-magnetron sputtering and studied their tribological properties at 25–600 °C under dry friction conditions. The relationship between H/E value and tribological...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2021, 143(1): 011705.
Paper No: TRIB-20-1179
Published Online: July 28, 2020
... and tribochemical properties of nitride samples. oxy-nitriding sulfur nitriding nitriding tribo-chemistry zinc dialkydithiophosphate films friction hardness lubricant additives lubricants surface layers surface properties and characterization surface treatments tribological systems wear...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2020, 142(12): 122101.
Paper No: TRIB-20-1040
Published Online: June 19, 2020
...Sudesh Singh; Xinchun Chen; Chenhui Zhang; Rakesh Kumar Gautam; Rajnesh Tyagi; Jianbin Luo To explore the potential of directly grown multi-layer graphene as an agent in reducing friction and wear of steel on steel tribo-pair, multi-layer graphene films were synthesized on GCr15 steel in a low...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2020, 142(2): 021801.
Paper No: TRIB-19-1070
Published Online: November 16, 2019
...Michael Branagan; Neal Morgan; Christopher Goyne; Roger Fittro; Robert Rockwell; Minhui He To compensate for an extremely heavy journal, jacking pockets can be added to the surface of pads in fluid film bearings. Jacking pockets can range in size and shape and will have an influence...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 121701.
Paper No: TRIB-19-1186
Published Online: September 11, 2019
... , “ Enhancing Sealing and Dynamic Performance With Partially Porous Mechanical Face Seals ,” Tribol. Trans. , 37 ( 4 ), pp. 701 – 710 . 10.1080/10402009408983349 [22] Naduvinamani , N. B. , Hiremath , P. S. , and Gurubasavaraj , G. , 2001 , “ Squeeze Film Lubrication of a Short Porous...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061705.
Paper No: TRIB-17-1096
Published Online: June 13, 2018
...Jianzhong Cui; Jun Liu; Fangwei Xie; Cuntang Wang; Pengliang Hou The object of this work is to investigate the effect of the change of film pressure resulting from axial squeeze-film motion between driving and driven disks on the performance of hydroviscous drive (HVD). A simplified mathematical...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061703.
Paper No: TRIB-17-1305
Published Online: May 21, 2018
...Adolfo Delgado; Bugra Ertas The following paper focuses on an experimental and analytical study aimed at identifying the dynamic force coefficients of hydrostatic gas films for recessed flat plates. The motivation for the effort was brought upon by the necessity of generating more accurate models...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051501.
Paper No: TRIB-17-1211
Published Online: April 10, 2018
...David Nečas; Tomáš Jaroš; Kryštof Dočkal; Petr Šperka; Martin Vrbka; Ivan Křupka; Martin Hartl The present paper deals with an investigation of film formation in compliant lubricated contact. Despite these contacts can be found in many applications of daily life including both biological...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041707.
Paper No: TRIB-17-1295
Published Online: March 30, 2018
...Ce Guo; XiJing Zhu; Jia Liu; Dan Zhang During ultrasonic vibration honing (UVH), a thin hydrodynamic oil film formed can seriously affect the cavitation effect in the grinding fluid, but the mechanism is still unclear now. Based on the hydrodynamics theory, a revised cavitation bubble model...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2018, 140(1): 011605.
Paper No: TRIB-15-1387
Published Online: August 2, 2017
...-BN can reduce coefficient of friction (COF) and improve antiwear property of composites under room temperature. Gr can accelerate the formation of transfer film under high temperature without sacrificing the wear resistant of composites. Transfer film of composites reinforced with Gr and h-BN...