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Keyword: friction
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Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 121603.
Paper No: TRIB-18-1464
Published Online: December 1, 2019
... prepared by powder metallurgy, was used as a potential material. Pin-on-disk wear tests were conducted to measure the sliding friction of the Cu–Ni–graphite composite against U75 V steel. The results showed that the friction coefficients gradually decreased when the graphite content in the composite ranged...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 121501.
Paper No: TRIB-19-1244
Published Online: December 1, 2019
... curves. It appears that the tribological properties of the anisotropic textures are sensitive to the sliding direction. Meanwhile, the surfaces with more negative skewness or the lower kurtosis can obtain better tribological performances related to friction and wear. Emails: chunxinggu@usst.edu.cn...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-18-1430
Published Online: October 1, 2019
... parameters applied for scratch simulations are obtained from the nanoindentation experiments and finite element analysis. The validity of finite element model of scratch is confirmed by comparing the friction forces from simulations to those from experiments. The input parameters of the artificial neural...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-19-1210
Published Online: October 1, 2019
...Kunal Ghosh; Subhrojyoti Mazumder; Bipin Kumar Singh; Harish Hirani; Poulomi Roy; Nilrudra Mandal 3mol% yttria stabilized tetragonal zirconia polycrystals (3Y-TZP) with 0.5 wt% of magnesium oxide (MgO) and 6 wt% of molybdenum (Mo) was prepared by pressure less sintering process, and the friction...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-19-1274
Published Online: September 26, 2019
... parameters was investigated. The effect mechanism of micro-textures on the friction and wear through the height and functional roughness parameters was elucidated. Micro-textured samples presented more negative Ssk , higher Sku , and larger Svk with the increasing dimple depth. The pin-on-disc reciprocating...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 122203.
Paper No: TRIB-19-1019
Published Online: September 24, 2019
... 2019 05 09 2019 seal interface percolation leakage channel critical size leakage rate friction Mechanical seal is widely used in power plant, aero-engine, petrochemical production installation, and so on, due to its advantages such as longevity, good resistance to vibration...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-19-1294
Published Online: September 17, 2019
...Chung Hung Chan; Wen Huei Lim; Shoot Kian Yeong; Kien Woh Kow; Yong Kuen Ho A first-ever friction-wear model for Four-Ball Extreme Pressure (EP) Lubrication is developed in this work based on 12 oil samples comprising minerals, esters and other formulated lubricants. The model considers the rate...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 122202.
Paper No: TRIB-19-1109
Published Online: September 11, 2019
...A. Moharrami; A. Razaghian; M. Emamy; R. Taghiabadi This study was undertaken with the aim of modifying the microstructure and improving the tribological properties of in situ Al-20Mg 2 Si composite. For this purpose, friction stir processing (FSP) was applied on the composite at constant travel...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2019, 141(11): 111101.
Paper No: TRIB-19-1172
Published Online: August 2, 2019
...Benjamin Conley; Farshid Sadeghi; Robert C. Griffith; Jeffrey W. McCormack The objectives of this investigation were to design and develop an experimental turbocharger test rig (TTR) to measure the shaft whirl of the rotating assembly and the axial and frictional loads experienced by the bearings...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2019, 141(11): 112201.
Paper No: TRIB-19-1050
Published Online: August 1, 2019
...Jun Wang; Yongkang Li; Zisheng Lian The work presented in this paper describes a new approach to calculate the film profile, friction, and fluid transport of a reciprocating U-cup seal used in a hydraulic piston pump. An innovative partial lubrication model of the seal is developed, which connects...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2019, 141(10): 101602.
Paper No: TRIB-19-1077
Published Online: August 1, 2019
... indicated that under a load of 12 N, after a 35 min break-in period, the dynamic friction coefficient decreased from 0.78 to about 0.6 and this low value was maintained until the end of test. When the normal load increased from 4 N to 20 N, both the average friction coefficient and wear rate values...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2019, 141(10): 102001.
Paper No: TRIB-19-1122
Published Online: August 1, 2019
...Rui Yu; Jinxiang Liu; Yang Zhou In this paper, the antiwear and antifriction performance of MoS 2 nanoparticle in castor oil was studied. The ball-on-disc tests were performed for different concentrations of MoS 2 nanoparticle. Coefficient of friction, wear loss, and worn surface morphology were...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2019, 141(10): 104501.
Paper No: TRIB-19-1223
Published Online: July 31, 2019
... tangential stiffness of the contact junction. As the coating becomes thicker, the static friction coefficient first decreases reaching a minimum and then increases. This demonstrates a friction reduction effect of soft coatings that is opposite to hard coatings. The static friction coefficient decreases with...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2019, 141(10): 101301.
Paper No: TRIB-19-1060
Published Online: July 17, 2019
... may compromise the friction. This paper reports on wetting, dry friction, and roughness properties of TiO 2 coated (hydrophilic) and polymethyl hydrogen siloxane (PMHS) coated (hydrophobic) self-cleaning ceramic tiles. The coefficient of friction values of the tile–rubber interface do not change...
Journal Articles
Article Type: Research-Article
J. Tribol. August 2019, 141(8): 082002.
Paper No: TRIB-19-1034
Published Online: June 10, 2019
...Alexander D. Breki; Ekaterina S. Vasilyeva; Oleg V. Tolochko; Andrey L. Didenko; Michael Nosonovsky Frictional properties of a self-lubricating nanocomposite material with an A–OOO polyimide matrix reinforced by gas-phase synthesized tungsten diselenide (WSe 2 ) nanoparticles are studied with a...
Journal Articles
Article Type: Research-Article
J. Tribol. August 2019, 141(8): 081602.
Paper No: TRIB-19-1101
Published Online: June 6, 2019
...R. C. Morón; G. A. Rodríguez-Castro; M. A. García Maldonado; A. Salazar-Gaona; D. Bravo-Bárcenas; I. Campos-Silva; A. Palacios-Méndez In this study, friction and evolution of cohesive failures (cracks and spallations) in CoB/Co 2 B layers were analyzed. Thermochemical treatment was carried out at...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2019, 141(7): 072102.
Paper No: TRIB-19-1035
Published Online: May 15, 2019
... 1-octadecanethiol (i.e., MoS 2 -ODT). The MoS 2 and MoS 2 -ODT nanosheets were dispersed in the grease with different concentrations to evaluate its tribological performance. Tribological results unveiled that the addition of MoS 2 nanosheets in grease appreciably reduced the coefficient of friction...
Journal Articles
Article Type: Research-Article
J. Tribol. May 2019, 141(5): 051604.
Paper No: TRIB-18-1391
Published Online: March 11, 2019
... performance and industrial viability. The industrial viability was analyzed by scaling their friction and wear behaviors against conventional biolubricants, and petroleum-based oils. The study investigated both bio- and nonbio-based ILs. Among the ILs examined, P 666,14 Saccharinate, P 666,14 Salicyate, and P...
Journal Articles
Article Type: Research-Article
J. Tribol. May 2019, 141(5): 052003.
Paper No: TRIB-18-1091
Published Online: March 11, 2019
... form composites. The friction and wear properties of nanoclay-treated banana fiber (NC-BF) reinforced composites were compared with untreated banana fiber (UT-BF) reinforced composites. Short NC-BF- and UT-BF-reinforced composites with fiber concentration ranging from 20 wt % to 60 wt % were prepared...
Journal Articles
Article Type: Research-Article
J. Tribol. May 2019, 141(5): 051401.
Paper No: TRIB-18-1366
Published Online: March 4, 2019
...Deepak K. Prajapati; Mayank Tiwari Rolling contact fatigue (RCF) is one of the major problems observed in gear mechanisms, which leads to high friction, ultimately resulting in high energy consumption. This paper demonstrates the evolution of surface topography during running-in and subsequent RCF...