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Keywords: Friction
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1044
Published Online: November 30, 2022
...Siyu Wang; Rupeng Zhu The mesh stiffness calculation of planetary gear system with gear crack is investigated, gear crack is modelled into end-face, and addendum extended crack, furthermore, the mesh stiffnesses are calculated under the of effect of friction force, that obtained under mixed...
Journal Articles
Article Type: Technical Briefs
J. Tribol. March 2023, 145(3): 034501.
Paper No: TRIB-22-1298
Published Online: November 23, 2022
...Vesa Saikko; Omar Morad; Raine Viitala The recently introduced four-station friction RandomPOD device was utilized in multidirectional, circular translation pin-on-disk (CTPOD) tests. The effect of sliding velocity on friction with orthopaedic bearing materials was studied. The tests included...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1325
Published Online: November 17, 2022
... tests were performed at room temperature using a reciprocating tribo-meter at a sliding speed of 1 m min −1 against 6 mm diameter ZrO 2 ball. When sliding in air, the friction coefficient of Cu-based BMG decreases with the applied loads (5 N, 10 N and 20 N) and the wear behavior mainly affected...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2023, 145(3): 032201.
Paper No: TRIB-22-1102
Published Online: November 17, 2022
... friction and wear in many tribological applications. In the present paper, the effect of micro-texture on the tribological and lubricating performance of the important cylinder block/valve plate interface is studied experimentally and numerically. The experimental investigation was conducted on a disk...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2023, 145(3): 031704.
Paper No: TRIB-22-1229
Published Online: November 17, 2022
... to transfer current between stationary and moving parts of motors. Brushes are stationary and the commutator is moving parts of a motor. Traditionally, brush material is often carbon graphite because of its low friction, small wear-rate, and good conductivity. During operation, the brush not only needs...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1303
Published Online: November 11, 2022
... design faces considerable challenge to reduce friction losses, oil consumption, blow-by and wear. In this work, an elastic-plastic contact model of rough surfaces with hard coatings is used to provide proper design of the ring coating thickness concerning the plasticity-yielding resistance of stiff...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021703.
Paper No: TRIB-22-1231
Published Online: November 4, 2022
... with the lowest coefficients of friction (0.142 ± 0.05) and wear-rate (0.3 ± 0.02 × 10 −4 mm 3 /Nm). Annealing resulted in alloys with good strength-ductility combinations due to appreciable γ′ precipitation enhancement. 1 Corresponding author. Email: ntholengn@tut.ac.za Email: nthape.mphasha...
Topics: Alloys, Wear
Journal Articles
Article Type: Research Papers
J. Tribol. January 2023, 145(1): 011803.
Paper No: TRIB-22-1254
Published Online: October 20, 2022
... deposition modeling (FDM) 3D printer. The frictional behaviors of the printed components under oil lubrication were investigated on an end-face tribometer. The influence of spiral groove number, groove depth, and printing orientation on friction coefficients was discussed. The test results indicate...
Journal Articles
Article Type: Technical Briefs
J. Tribol. January 2023, 145(1): 014501.
Paper No: TRIB-22-1090
Published Online: October 12, 2022
...A. Tajdeen; A. Megalingam; M. Sivanesh Prabhu; M. Wasim Khan Influence of tungsten disulfide particles (WS 2 ) on the friction and wear behavior of Mg-AZ91 forms the objective of this work. Friction stir processing (FSP) has been used to fabricate FSP AZ91/WS 2 composite with various FSP passes...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121202.
Paper No: TRIB-22-1166
Published Online: August 24, 2022
...Debarghya Saha; Bhabani K. Satapathy Structurally dissimilar clay type silicate (tubular halloysite, platy montmorillonite, and acicular wollastonite) reinforced compression molded composites were fabricated with and without MgO. The thermo-mechanical and frictional performances of natural silicate...
Includes: Supplementary data
Journal Articles
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121702.
Paper No: TRIB-22-1173
Published Online: August 18, 2022
... characteristics. The results revealed a better wear resistance and friction coefficient for recycled nanocomposites than pure magnesium. The enhanced wear resistance of recycled nanocomposites is attributed to the increased hardness and strength due to the Fe 3 O 4 nanoparticles and the turning induced...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121001.
Paper No: TRIB-21-1635
Published Online: July 29, 2022
...Yan Zhang; Shuhong Xiao The paper introduces a simplified structural model for the numerical investigation of bump-type foil bearings. This analytical model is based on an efficient nonlinear contact procedure with consideration of friction, small deformations, and elasticity. The bump foil...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111603.
Paper No: TRIB-22-1038
Published Online: July 12, 2022
.... The main objective of this study is to establish empirical equations that describe friction–-vibration interactions under dynamic (sliding) lubricated contacts. The effects of operating conditions on the tribological and vibration behaviors of lubricating oils having different viscosities were...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101705.
Paper No: TRIB-21-1542
Published Online: May 31, 2022
... element showed the solution strengthening effect and particle strengthening effect. The Nb greatly affected the tribological performance of the coatings. With the increase of Nb content, the wear-rate and friction coefficient initially decreased and then increased. There was a critical value of Nb content...
Journal Articles
Article Type: Review Articles
J. Tribol. October 2022, 144(10): 100801.
Paper No: TRIB-21-1581
Published Online: May 20, 2022
... is responsible for decreasing the natural lubricating compounds in fossil diesel. Then, it results in the low lubricity of fossil diesel which increases friction and wears scars on the metal surface of machinery components. Therefore, it is necessary to use additives to improve the lubricity properties of fossil...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101701.
Paper No: TRIB-21-1541
Published Online: May 10, 2022
...Yuankai Zhou; Mengdi Du; Xue Zuo In order to study the influence of current on the temperature rise and wear mechanism of the copper–graphite friction pair, the pin-disc current-carrying friction experiments were carried out under different current conditions. The friction coefficient, temperature...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101702.
Paper No: TRIB-22-1095
Published Online: May 10, 2022
...Manuel Reichelt; Brunero Cappella Friction at the microscale during reciprocal sliding tribotests was studied for the first time with self-mated steel (100Cr6/AISI 52100) taking advantage of an atomic force microscope (AFM). To this aim, microsized steel particles were glued to the AFM-cantilever...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101502.
Paper No: TRIB-22-1017
Published Online: May 10, 2022
...Hiroyuki Ohta; Yusuke Ueki This article deals with the expressions of friction force of a four-point contact linear ball bearing with two rows under low-speed operation. First, the slip velocity on a contact area and the equilibrium of moments acting on a ball were theoretically examined...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2022, 144(9): 091902.
Paper No: TRIB-21-1575
Published Online: May 3, 2022
... improved the tribological properties by decreasing friction and wear. The optimized concentration of MoS 2 -ODT, MoS 2 , GO-ODA, GO, and rGO nanomaterials in castor grease conserved the frictional energy losses by 19%, 34%, 35%, 54%, and 56%, respectively. Among all samples, the rGO nanosheets in castor...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2022, 144(9): 091202.
Paper No: TRIB-21-1525
Published Online: April 5, 2022
... measure the power loss generated by each component, the results allowed to identify the major contributions to the rear axle inefficiency. In particular, those from the crown wheel churning, from the lubricant squeezing due to the pocketing between the pinion and crown gear teeth, and from the friction...