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Keywords: surface roughness
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Journal Articles
Article Type: Research Papers
J. Tribol. April 2022, 144(4): 041502.
Paper No: TRIB-21-1197
Published Online: July 27, 2021
... 2021 30 06 2021 01 07 2021 27 07 2021 surface roughness backward propagation sensitivity analysis correlation analysis National Natural Science Foundation of China 10.13039/501100001809 51705142 Since there is no absolutely smooth surface in engineering...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031602.
Paper No: TRIB-21-1096
Published Online: June 7, 2021
... supply, at which starvation initiates. The potential influential parameters (predictors) considered include normal force density, rolling velocity, sliding, lubricant viscosity, and surface roughness amplitude. A non-Newtonian thermal mixed lubrication model is employed to determine the critical...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2022, 144(2): 021601.
Paper No: TRIB-20-1550
Published Online: April 28, 2021
.... To discuss the influences of dynamic load on the tribological properties of helical gear pair, the dynamic mesh force of tooth surface is obtained by torsional vibration model. The influences of working conditions and surface roughness on the tribological properties of helical gear pair are investigated...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2021, 143(5): 051106.
Paper No: TRIB-21-1021
Published Online: March 29, 2021
...: x.jiang@hud.ac.uk Email: s.lou@hud.ac.uk Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 12 01 2021 02 03 2021 02 03 2021 29 03 2021 selective laser melting surface roughness surface texture parameters staircase...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2020, 142(4): 041501.
Paper No: TRIB-19-1319
Published Online: December 17, 2019
... is essentially random, for which stochastic treatment is appropriate, and (2) surface roughness can be reduced to fractal mathematics using fractal parameters. Under certain mathematical constraints, the WM function is either stochastic or deterministic. The latter has the appeal that it contains no randomness...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2020, 142(4): 041701.
Paper No: TRIB-19-1365
Published Online: December 17, 2019
... of wear-accelerated corrosion during sliding. The effect of wear-accelerated corrosion is evident from the change in average surface roughness (S a ) of the unworn areas. It is found that understanding the change in surface roughness due to wear–corrosion interactions is necessary to investigate the onset...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2020, 142(3): 031702.
Paper No: TRIB-19-1310
Published Online: December 9, 2019
... by the advanced stir-casting method. Besides measurements of density, porosity, and Vickers hardness, in-depth characterizations of microstructures were performed. Specific wear-rate (SWR), coefficient of friction (COF), and abraded surface roughness (SR) of developed materials were measured under two-body...
Journal Articles
Article Type: Research-Article
J. Tribol. June 2019, 141(6): 061501.
Paper No: TRIB-18-1400
Published Online: April 5, 2019
.... The appearance of initial micropitting cracks and their propagation are strongly dependent on material and surface roughness of contacting parts, loading conditions, state of lubrication, etc. Generally, the asperities of the surface are regarded as elastic contact for conformal contacts in mixed lubrication...
Journal Articles
Article Type: Technical Briefs
J. Tribol. April 2019, 141(4): 044504.
Paper No: TRIB-18-1298
Published Online: February 5, 2019
...Yuyan Zhang; Lina Si; Xiaoqing Zhang; Juan Li; Wanjun Wang A deterministic adhesive model for the contact between an elastic layered medium with surface roughness and a smooth elastic microsphere was developed on the basis of the Lennard–Jones surface force law. Through numerical simulations...
Journal Articles
Article Type: Research-Article
J. Tribol. February 2019, 141(2): 021601.
Paper No: TRIB-18-1037
Published Online: October 11, 2018
... of 3 μ m was used to obtain an average surface roughness of 20 nm. All samples were then cleaned by acetone before the experiments. Table 2 indicates the detail of sample properties used in the experiments. Table 3 shows the test condition used in this study. Test duration was 90 min; however...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2019, 141(1): 011501.
Paper No: TRIB-18-1065
Published Online: July 24, 2018
... thermal elastohydrodynamic lubrication (TEHL) model in point contacts considering surface roughness is developed in this study. This model is capable of determining the pressure and temperature under different lubrication regimes from mixed to full-film lubrication. Then, the established model is extended...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051402.
Paper No: TRIB-18-1119
Published Online: July 12, 2018
... Contact area Contact mechanics Surface roughness Asperities On a rough surface exist many micro-asperities, whose apexes are usually considered as spheres with a same radius. In 1966, Greenwood and Williamson [ 1 ] assumed that the height of the microspheres obeys the Gaussian distribution...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061705.
Paper No: TRIB-17-1096
Published Online: June 13, 2018
... , “ The Contact of Two Nominally Flat Rough Surfaces ,” Proc. Inst. Mech. Eng. , 185 ( 1 ), pp. 625 – 633 . 10.1243/PIME_PROC_1970_185_069_02 [16] Patir , N. , 1975 , Effect of Surface Roughness on Partial Film Lubrication Using an Average Flow Model Based on Numerical Simulation , Northwestern...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061601.
Paper No: TRIB-17-1039
Published Online: May 21, 2018
... RIBOLOGY . Manuscript received January 29, 2017; final manuscript received December 21, 2017; published online May 21, 2018. Assoc. Editor: Dae-Eun Kim. 29 01 2017 21 12 2017 Cavitation Erosion Hardness Micro-tribology Surface properties Surface roughness Surface treatments...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051608.
Paper No: TRIB-17-1447
Published Online: May 14, 2018
...; published online May 14, 2018. Assoc. Editor: Stephen Boedo. 21 11 2017 13 04 2018 Piston rings Sliding Surface properties Surface roughness Wear Characterization Asperities The piston ring/cylinder bore tribosystem is of utmost importance for engine performance...
Topics: Cylinders, Wear
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061501.
Paper No: TRIB-17-1426
Published Online: May 7, 2018
... March 13, 2018; published online May 7, 2018. Assoc. Editor: Wang-Long Li. 08 11 2017 13 03 2018 Mixed lubrication Surface roughness Wear Asperities As is well known, most oil-lubricated mechanical components transmitting power and motion with concentrated contacts...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051401.
Paper No: TRIB-17-1278
Published Online: April 5, 2018
... functions explain to some extent the observed phenomena in experiments, they are just phenomenological models as the parameters in these models do not have an explicit physics-based meaning and cannot reflect the effects of surface roughness on the dynamic tangential responses at the contact interfaces...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041504.
Paper No: TRIB-17-1387
Published Online: March 30, 2018
... with surface roughness involved, and the initial value is specified as the solution of the dry contact for the startup or steady-state solution of the lubrication contact at the starting velocity for the shutdown. The technique of discrete convolution and fast Fourier transform (DC-FFT) is employed to improve...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041706.
Paper No: TRIB-17-1304
Published Online: February 23, 2018
.... Assoc. Editor: Stephen Boedo. 31 07 2017 20 12 2017 Fluid film lubrication Hydrodynamic lubrication Surface roughness Surface treatments Asperities Surface texturing has become an effective method for improving the performance of many vital friction pairs such as piston...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041301.
Paper No: TRIB-17-1397
Published Online: February 22, 2018
...Kong Weicheng; Shen Hui; Kong Dejun TiAlN and TiSiN coatings were deposited on YT15 cemented carbide using a cathodic arc ion plating (CAIP). The surface-cross section morphologies, chemical elements, surface roughness, phases, and chemical valences of as-obtained coatings were analyzed using...