Development of a new procedure to determine the different wear stages on ball-on-disc test
FrictionThis study proposes a numerical methodology based on the application of first-, second-, and third-order derivatives to analyse the evolution of the coefficient of friction (CoF) obtained from ball-on-disc (BoD) wear tests.
Ester Villanueva +5 more
doaj +4 more sources
Tribochemical Degradation of Vacuum-Stable Lubricants: A Comparative Study Between Multialkylated Cyclopentane and Perfluoropolyether in a Vacuum Ball-on-Disc and Full-Bearing Tests [PDF]
Lubrication Science, 2020 AbstractIn this study, the decomposition of a multialkylated cyclopentane (MAC) and a perfluoro‐poly‐ether (PFPE) lubricant was investigated in a ball‐on‐disc sliding test under vacuum and in a rolling contact fatigue (RCF) test on full bearings. In situ mass spectrometry was conducted to study the tribochemical formation of hydrogen in a steel‐on ...
Iyas Khader +2 more
exaly +3 more sources
Studies of Friction in Grease-Lubricated Rolling Bearings Using Ball-on-Disc and Full Bearing Tests [PDF]
Tribology Transactions, 2019 This article evaluates the frictional performance of different bearing grease formulations in full rolling bearings and a ball-on-disc rig and subsequently assesses whether the ball-on-disc test re...
Yuta Kanazawa +2 more
openaire +3 more sources
Study of Surface Roughness on Friction in Rolling/Sliding Contacts: Ball-on-Disc Versus Twin-Disc
Tribology Letters, 2020 Although the efficiency of a gear pair is currently high, a better understanding of surface/lubricant contribution on efficiency is critical. Electrified drivelines will, for example, impose higher speed and alternate loading, and it is expected that ...
Yi Zhu +2 more
exaly +2 more sources
Optical analysis of ball-on-ring mode test rig for oil film thickness measurement
Friction, 2016 There are few experimental results available on film thickness at speeds above 5 m/s and they are almost all based on the optical ball-on-disc test rig.
Yaoguang Zhang +3 more
doaj +2 more sources
TEM Analysis of Wear of Ti/TiN Multi-Layer Coating in Ball-on-Disc Test
Key Engineering Materials, 2009 The wear mechanisms of Ti/TiN eight layered coatings ( =250nm) were investigated with ball-on-disc test. The coatings were obtained by hybrid pulsed laser deposition (PLD) technique. The wear test was done using Al2O3 ball-on-disc test at 1N/2000 cycles. Thin foils for TEM observations were cut from wear track using a Quanta 200 3D FIB (Focus Ion Beam)
Łukasz Major, Jerzy Morgiel
openaire +2 more sources
Characteristics of the Friction Between Aluminium and Steel at Elevated Temperatures During Ball-on-Disc Tests [PDF]
Tribology Letters, 2009 Appropriate specification of the frictional boundary condition for the finite-element (FE) simulation of metal-forming processes is of great importance to the trustworthiness of the results. The research reported in this communication aimed at understanding the interfacial contact between aluminium and steel at elevated temperatures and determining ...
Jie Zhou, Liliang Wang, Jurek Duszczyk
exaly +3 more sources
Identification of a friction model for the bearing channel of hot aluminium extrusion dies by using ball-on-disc tests [PDF]
Tribology International, 2012 Abstract A physically-based friction model is developed based on the ball-on-disc test results. The model is verified by using double action extrusion tests. Good agreements between the FE predictions and experiments have been obtained, in terms of the extrudate length and steady-state extrusion load, indicating that ball-on-disc test is an effect ...
Wang, L +3 more
openaire +3 more sources
Tribological characterization of PTFE composites for ball bearing applications
Cogent EngineeringPolymer-based ball bearings have emerged as a replacement for metal-based bearings in certain applications. They have recently gained attention due to their low weight-to-strength ratio, self-lubrication properties, and noncorrosive nature.
Dhruv Deshwal +2 more
doaj +2 more sources
Development of a Cryogenic Tester with Air Bearing to Test Sliding-Rolling Contact Friction
Lubricants, 2022 This study aimed to test the friction coefficient of cryogenic bearing lubrication materials. A ball-on-disc type friction tester was developed in our lab using air bearings that could simulate the movement of cryogenic bearings under sliding-rolling ...
Fengbo Liu +4 more
doaj +2 more sources