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Keywords: friction
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Journal Articles
Accepted Manuscript
Publisher: ASME
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-24-1111
Published Online: June 11, 2024
...Kaisen Zhang; Kun Liu; Danfeng Sun; Tianyan Gao; Jiaxin Ye This study explores the frictional dynamics in wire-on-V-groove contacts, particularly in slip rings, by examining the effects of contact geometry and loading stiffness. Our experimental setup, using three different custom tribometers...
Journal Articles
Journal Articles
Accepted Manuscript
Publisher: ASME
Article Type: Review Articles
J. Tribol.
Paper No: TRIB-24-1123
Published Online: June 4, 2024
.... In addition, relevant trends and impacts of cage design on bearing lubrication and fluid friction have been explored, along with a discussion of prevailing limitations that can be addressed in future bearing CFD models. Email: sadeghi@purdue.edu Email: uarya@purdue.edu Email: saamer@purdue.edu...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2024, 146(7): 071701.
Paper No: TRIB-23-1346
Published Online: February 26, 2024
...Junichi Hongu; Shunjiro Hattori; Junya Kato; Takao Koide In our previous study, the Matsumoto equation was modified by introducing the directivity of machining marks on the tooth surfaces (directional parameter), and it was adapted to estimate the gear friction coefficient with various finishing...
Topics: Friction, Gears
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. June 2024, 146(6): 064401.
Paper No: TRIB-23-1113
Published Online: February 2, 2024
... and pressure signals (see Sec. 2.2 ) can be recorded at a sample rate of up to 4 kHz. Furthermore, for operation at constant shaft speed, the frictional torque occurring at the sealing contact can be measured in a special configuration (not shown). Here, an in-line torque sensor (measurement range 0–1 Nm...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. May 2024, 146(5): 051705.
Paper No: TRIB-23-1176
Published Online: January 22, 2024
...-D), and their tribological properties were evaluated with a four-ball friction and wear tester. DNS-2 with a larger particle size can form a high-strength tribo-film on the rubbed surface through shear sintering, thereby reducing the wear scar diameter of the steel ball. DNS-3, RNS-D, and RNS-E...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. May 2024, 146(5): 052101.
Paper No: TRIB-23-1292
Published Online: January 12, 2024
.... This sensation arises from the physical stimulation of frictional behavior between the skin and flexible materials. Therefore, this study focuses on human fingers as the research subjects and employs flexible materials with micro-textured surfaces as frictional objects. A friction test setup is designed...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2024, 146(4): 042201.
Paper No: TRIB-23-1235
Published Online: January 9, 2024
...Kate Tomlinson; Sam Davison; Paul King; Sebastian Howell-Smith; Tom Slatter; Nick Morris In-cylinder internal combustion engine parasitic frictional losses continue to be an area of interest to improve efficiency and reduce emissions. This study investigates the frictional behavior at the oil...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. February 2024, 146(2): 021701.
Paper No: TRIB-23-1151
Published Online: October 26, 2023
...Ajith Kurian Baby; Rajendrakumar P. K.; Deepak Lawrence K. Uncertainty analyses can improve the reliability and validity of the assessment of friction and wear-rate of tribosystems. This work analyses the various sources of uncertainty in the estimation of friction and wear-rate of liner-ring pairs...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. February 2024, 146(2): 024301.
Paper No: TRIB-23-1146
Published Online: October 5, 2023
... monitoring actual service environment bearings contact contact mechanics friction rolling element bearings National Natural Science Foundation of China 10.13039/501100001809 U1834202 Under typical working conditions of cylindrical roller bearings, the motion of the roller...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2024, 146(1): 012101.
Paper No: TRIB-23-1156
Published Online: September 14, 2023
... of (a) untreated MSH and (b) heat-treated MSHH The curves of coefficient of friction (COF) evolution, average values of COF, and wear scar diameter (WSD) of oil samples A, B, C, and D are shown in Fig. 10 . As shown in Fig. 10( a ) , the COF corresponding to the oil sample containing MSHH decreased...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. September 2023, 145(9): 094501.
Paper No: TRIB-22-1337
Published Online: June 26, 2023
...Nanrong Hu; Hekun Jia; Bifeng Yin; Zeyuan Zhou; Bo Xu The elastohydrodynamic model of hydrodynamic air foil bearing has been built to study the influence of rotor speed, the friction coefficient between bearing components, load and other parameters on the foil displacement of hydrodynamic air...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. September 2023, 145(9): 091108.
Paper No: TRIB-23-1011
Published Online: June 13, 2023
... that the prediction results of the model considering the spin moment are closer to the theoretical values than those of the model ignoring this moment. However, the moment increases the friction at the ball/raceway interface, causing this model to underestimate the extent of bearing sliding. Fig. 2 Sketch...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2023, 145(10): 101705.
Paper No: TRIB-22-1400
Published Online: June 7, 2023
.... The parameters, i.e., sliding distance, applied load, sliding velocity, and reinforcement content, are treated as inputs, whereas the wear-rate and coefficient of friction are considered output variables for the tribological experimentation. The influence of various input process parameters on the tribological...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2023, 145(10): 101703.
Paper No: TRIB-22-1448
Published Online: May 25, 2023
... densification and hardening secondary phase. The coefficient of friction increases with laser power for the CW samples but decreases for the PW samples. The samples exhibited low wear rates ranging between 25 and 70 × 10 −5 mm 3 /Nm. Pulse wave samples demonstrated better tribological performance compared...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2023, 145(10): 101702.
Paper No: TRIB-23-1038
Published Online: May 19, 2023
...Hiromitsu Kakudo; Satoshi Takada; Tomoko Hirayama The friction characteristics of SUS440C-Si 3 N 4 lubricated by polytetrafluoroethylene (PTFE) under cryogenic environment have not been researched well. The lubrication mechanisms in such friction condition need to be clarified to improve...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 082202.
Paper No: TRIB-22-1278
Published Online: May 12, 2023
... intermittent motion should not be ignored, and the pressure, temperature rise distribution, and friction coefficient during the stop and start-up are fluctuated obviously. Under the condition of rough surface contact, the contact area will enter the mixed-EHL state during the stop and start-up. Shortening...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2023, 145(7): 071702.
Paper No: TRIB-23-1005
Published Online: April 21, 2023
... plastic deformation and rapid surface heating, the surface porosities were effectively healed, thus reducing the surface roughness. Combined with the surface-strengthening effects of LSP, the frictional resistance and transfer layer formation on the CSAM LSP surfaces were reduced. The underlying...