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Keywords: rolling
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-21-1286
Published Online: December 23, 2021
...Reza Taheri; P. Buyung Kosasih; Hongtao Zhu Vegetable oil-in-water (VO/W) emulsions are common cold rolling lubricants. However, maintaining the required dispersion for polar oil droplets for consistent lubrication and proper surface self-cleaning after rolling remains a practical challenge...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051603.
Paper No: TRIB-21-1177
Published Online: August 27, 2021
... for measurement of the power losses of rolling-element bearings. Sets of measurements taken by using the same example ball bearings are compared with those predicted by the model to assess its accuracy in predicting mechanical power loss of a ball bearing within wide ranges of axial and radial forces. When ball...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2020, 142(8): 082301.
Paper No: TRIB-19-1203
Published Online: March 30, 2020
...Zhuang Chen; Guanci Chen The motions between the ball and raceway in a ball bearing involve rolling, gyroscopic, and spin slide. These complex motions result in the serious distribution of the friction force. Based on the contact mechanics in tribology, the friction force greatly affects stress...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2019, 141(11): 111102.
Paper No: TRIB-18-1368
Published Online: August 31, 2019
.... , Zhang , H. , and Wang , Z. , 2011 , “ Experimental Research on the Dynamic Stiffness of Rolling Guide’s Joint ,” Mach. Des. Manuf. , 49 ( 12 ), pp. 115 – 117 . [5] Kai , Y. , Fukuta , M. , Matsubara , A. , and Kono , D. , 2013 , “ Dynamic Characteristics of Ultra...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061404.
Paper No: TRIB-17-1478
Published Online: July 12, 2018
...Nguyen Hoa Ngan; Philippe Bocher The objective of this research is to conduct a finite element analysis to better understand the effects of induction hardening on rolling contact fatigue (RCF). The finite element analysis was developed in three-dimensional to estimate the maximal loading...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051501.
Paper No: TRIB-17-1211
Published Online: April 10, 2018
..., while the ball was made from rubber and the disk was from optical glass. The contact was lubricated by glycerol and polyglycol to examine the effect of fluid viscosity. The measurements were conducted under pure rolling and rolling/sliding conditions. The entrainment speed varied from 10 to 400 mm/s...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041701.
Paper No: TRIB-17-1269
Published Online: January 31, 2018
... thickness in the multi-objective optimization are determined by single objective analysis. 03 07 2017 24 12 2017 Gas bearings Rolling Seals Wear and leakage increase dramatically when the mechanical seals run under severe conditions. Enhancing the performance of mechanical...
Journal Articles
Article Type: Research-Article
J. Tribol. May 2018, 140(3): 031608.
Paper No: TRIB-17-1249
Published Online: January 16, 2018
...Jian Wang; Qingliang Wang; Xiao Zhang; Dekun Zhang The coupled impact and rolling wear behavior of the medium-manganese austenitic steel (Mn8) were studied by comparison with the traditional Hadfield (Mn13) steel. Scanning electron microscopy (SEM), X-ray diffractometer (XRD), and transmission...
Topics: Steel, Wear, Stress
Journal Articles
Article Type: Research-Article
J. Tribol. September 2017, 139(5): 051101.
Paper No: TRIB-16-1292
Published Online: May 26, 2017
... applied to rolling friction control under various external magnetic strengths is conducted. To accomplish this, the rolling friction property of an elastomer on a rigid plate is analyzed. Then, MREs are prepared, and a rolling friction tester is designed to evaluate the changes in the rolling friction...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2017, 139(4): 041101.
Paper No: TRIB-16-1012
Published Online: March 17, 2017
... for publication in the J OURNAL OF T RIBOLOGY . Manuscript received January 11, 2016; final manuscript received July 18, 2016; published online March 17, 2017. Assoc. Editor: Jordan Liu. 11 01 2016 18 07 2016 Bearing design Contact Elastohydrodynamic lubrication Rolling Tribological...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2017, 139(2): 021503.
Paper No: TRIB-16-1020
Published Online: August 11, 2016
... are conducted. Tests are performed at low speeds and various loading conditions. Friction sources are decoupled and examined separately in order to fully understand effect of each component on friction torque of the slewing bearing. Therefore, friction caused by rolling motion and friction caused by two...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2017, 139(1): 011503.
Paper No: TRIB-15-1296
Published Online: July 14, 2016
...Andreas Draganis A theoretical and computational framework for the analysis of fully transient, thermomechanically coupled, frictional rolling contact based on an arbitrary Lagrangian–Eulerian (ALE) kinematical description is presented. In particular, a computationally efficient methodology...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2016, 138(2): 021503.
Paper No: TRIB-15-1191
Published Online: October 27, 2015
... contacts. In many cases, debris dents appear with shoulders raised above the original surface. Material piling-up this way causes high-pressure spikes when dents are over-rolled by an element such as a ball in a rolling bearing. This study introduces an approximate analytical method based on the so-called...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2015, 137(4): 041401.
Paper No: TRIB-14-1268
Published Online: October 1, 2015
... points are in slip and the frictional force at time t + Δ t is (17) F f t + Δ t = f | F n | F f * | F f * | When one contact body rolls over another, vibration and wave propagation will be physically excited in both...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2016, 138(1): 011402.
Paper No: TRIB-15-1059
Published Online: September 7, 2015
...C. Brecher; D. Renkens; C. Löpenhaus The exact calculation of contact stresses below the surface is the basis for optimizing load capacity of heavily loaded rolling–sliding contacts. The level of stress is significantly influenced by the normal pressure distribution within the contact area, which...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2016, 138(1): 011501.
Paper No: TRIB-15-1029
Published Online: July 23, 2015
..., this frictional stress reduction increases with the slide-to-roll ratio, and it is extremely important for high slide-to-roll ratios for which classic approaches lead to unrealistically overestimated values of frictional stresses. The high slide-to-roll ratio values can be found in many practical applications...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2015, 137(3): 031402.
Paper No: TRIB-14-1183
Published Online: July 1, 2015
...Alaa A. Abdelrahman; Ahmed G. El-Shafei; Fatin F. Mahmoud In this section, an incremental FE formulation for solving and analyzing the steady-state rolling contact problems in NVE materials exhibiting large displacements and rotations with small strains is developed. The formulation is based...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2015, 137(2): 021504.
Paper No: TRIB-14-1193
Published Online: April 1, 2015
... loading, the transient film thickness deviates markedly from the corresponding steady-state behavior and this departure is a function of lubricant rheology. Bearings Elastohydrodynamic lubrication Gears lubricants Rheology Rolling Squeeze films Viscosity It is well-known...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011801.
Published Online: November 10, 2009
... carried out and compared with the experimental results, such as the film thickness and the extension of oil pool for various rolling speeds and supply oil concentrations. The numerical outputs are basically in agreement with the experiments. 06 05 2009 08 09 2009 10 11 2009 10 11 2009...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041403.
Published Online: September 24, 2009
...Farshid Sadeghi; Behrooz Jalalahmadi; Trevor S. Slack; Nihar Raje; Nagaraj K. Arakere Ball and rolling element bearings are perhaps the most widely used components in industrial machinery. They are used to support load and allow relative motion inherent in the mechanism to take place. Subsurface...