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Showing papers in "Tribology International in 2015"


Journal ArticleDOI
TL;DR: In this article, a compilation of developments of research in tribological performance of natural fiber polymeric composites from year 2000 to June 2014 is presented, where the typical adhesive wear mechanism for different types of composites and their performance on operating and test parameters are discussed.

199 citations


Journal ArticleDOI
TL;DR: In this article, the effects of micro-dimples with different densities and diamond-like carbon (DLC) films were fabricated on the surface of titanium alloy by laser surface texturing and magnetron sputtering, respectively.

185 citations


Journal ArticleDOI
TL;DR: In this paper, a thermogravimetric analysis and variable-temperature viscosity analysis were conducted to study the thermal response of the lubricants in a high temperature environment, and it was found that avocado oil showed the best friction and wear performance when compared to other natural oils.

167 citations


Journal ArticleDOI
TL;DR: In this paper, the effect of surface texture on friction has been investigated experimentally for a convergent-divergent bearing, operating under different lubrication regimes, and the results suggest that pockets act to increase fluid entrainment and hence reduce any asperity contact that is present.

143 citations


Journal ArticleDOI
TL;DR: In this paper, wear characteristics of magnesium alloy, AZ31B, and its nano-composites were investigated using a pin-on-disk configuration against a steel disk counterface under different sliding speeds.

133 citations


Journal ArticleDOI
TL;DR: In this article, the anti-wear and extreme pressure (EP) ability of chemically modified palm oil (CMPO) by adding nanoparticles was experimentally evaluated, and the MoS 2 nanoparticles exhibited better AW/EP properties than did the CuO nanoparticles.

125 citations


Journal ArticleDOI
TL;DR: In this article, the possibility of replacing graphite with hexagonal boron nitride (h-BN), also known as white graphite, was investigated, including the influence of h-BN powder size and concentration on its tribological performance and the aluminium's surface quality.

123 citations


Journal ArticleDOI
TL;DR: In this paper, the authors investigated the thermal effect of texture presence or absence on the bearing surface and found that the simulation results were in good concordance with those issued from the literature.

117 citations


Journal ArticleDOI
TL;DR: In this article, the authors derived formulas for predicting the central film thickness, minimum film thickness and the asperity load ratio in point-contact EHL of rough surfaces using a statistically-based elasto-plastic as perity microcontact model.

110 citations


Journal ArticleDOI
TL;DR: In this article, the effects of grain size and bulk hardness on fretting wear behaviors were investigated by solution annealing and subsequently wear test in Inconel 600 alloys.

106 citations


Journal ArticleDOI
TL;DR: In this paper, a numerical optimization approach based on the sequential quadratic programming (SQP) algorithm is used to determine the optimum texture shape for generating the highest load-carrying capacity (LCC).

Journal ArticleDOI
TL;DR: In this paper, the authors present some of the most useful analytical and numerical methods that can be used to predict surface temperature rises in dry or boundary lubricated pin-on-disk tribotests.

Journal ArticleDOI
TL;DR: Friction and wear behavior of ultra-high molecular weight polyethylene (UHMWPE) sliding against AISI420C austenitic stainless steel and against TiAl6V4 alloy under dry and lubricated conditions were investigated with a reciprocating pin-on-flat tribometer for comparative purposes as discussed by the authors.

Journal ArticleDOI
TL;DR: In this paper, the authors compared the performance of CrN and CrCN coatings in ambient air, distilled water and seawater and found that the amorphous carbon and carbides were formed in the CrCN coating.

Journal ArticleDOI
TL;DR: In this article, a mixed lubrication friction model is presented to accurately account for friction in sheet metal forming FE sim-ulations, which comprises a coupling between a hydrodynamic friction model and a boundary LMs, based on the lubricant thickness.

Journal ArticleDOI
Yuwei Ye1, Yongxin Wang1, Chunting Wang1, Jinlong Li1, Yirong Yao1 
TL;DR: In this paper, a multarc ion plating with different C2H2 flow rates was used for deposition of Cr7C3 crystal phase and amorphous CNx.

Journal ArticleDOI
TL;DR: In this article, dual RF magnetron sputtering was used to grow a 300nm thick Cr/CrN/CrAlN multilayer and showed the best tribological behavior and corrosion resistance.

Journal ArticleDOI
TL;DR: In this paper, nano-copper/reduced graphene oxide (Cu/rGO) composites were synthesized by the facile one-step in-situ reduction method.

Journal ArticleDOI
TL;DR: In this article, the influences of six orifice chamber configurations on performance characteristics of aerostatic thrust bearings under various operating conditions are thoroughly studied using the computational fluid dynamics approach. But the results of the simulations are limited.

Journal ArticleDOI
TL;DR: In this article, the influence of specimen hardness on the wear volume of steel-on-steel fretting contact was examined and a critical hardness differential threshold existed, above which the wear was predominantly associated with the harder specimen (with debris embedment on the softer surface).

Journal ArticleDOI
TL;DR: In this paper, three Ti-DLC PVD coatings with different compositions were deposited on Ti6Al4V alloy and their corrosion and tribocorrosion responses were evaluated in simulated body fluid.

Journal ArticleDOI
TL;DR: In this paper, a model combining the Wenzel and Cassie-Baxter equations with the 3D roughness parameters defined by ISO 25178 was proposed to investigate the influence of multi-scale roughness on contact angle measurements.

Journal ArticleDOI
TL;DR: In this article, a dynamic model of wear evolution that considers the topographical and tribological changes over the lifetime is presented, which suggests the use of multiple force diagrams to simulate the dynamic impact and utilises several models of contact mechanics to estimate the transition points between the wear evolution stages.

Journal ArticleDOI
TL;DR: In this paper, a dynamic model was proposed to investigate skidding in angular contact ball-bearings with considering the interaction between balls and raceways, cage and lubricant, and the results showed that the applied axial load significantly influences the behavior of skidding due to the changes of internal load, orbital and rotation speeds of ball under different operating conditions.

Journal ArticleDOI
TL;DR: In this article, the wear behavior of Ti-6Al-4V alloy at sliding velocities of 0.5-4m/s was studied and the tribo-oxides and their function were explored.

Journal ArticleDOI
TL;DR: In this article, the wear characteristics of ultra-high molecular weight polyethylene (UHMWPE) reinforced with talc particles were examined and the analysis of variance (ANOVA) was used to construct empirical models to show the connection between control factors (filler loading, load and sliding speed) and responses (wear rate and average coefficient of friction (COF)).

Journal ArticleDOI
TL;DR: In this article, the authors presented an extensive campaign of experimental tests in an FZG test rig and an average coefficient of friction between meshing gears was devised from the experimental results.

Journal ArticleDOI
Lei Shan1, Yongxin Wang1, Jinlong Li1, Xin Jiang1, Jianmin Chen1 
TL;DR: In this paper, four CrN coatings were deposited on 316L stainless steel by multi-arc ion plating and the tribological behaviors of the CrN coating were investigated by ball-on-disk tribometer in seawater.

Journal ArticleDOI
Yan Zhou1, Guoshun Pan1, Xiaolei Shi1, Suman Zhang1, Gong Hua1, Guihai Luo1 
TL;DR: In this article, the effects of atomic step width on removal rate of a super-hard wafer to realize atomically ultra-smooth surface is studied, and the formation mechanism is discussed.

Journal ArticleDOI
TL;DR: In this article, the authors compared the performance of a three-layer composite bearing material with a rubber bearing of similar geometry and found that the rubber bearing has better bearing elasticity, good vibration damping properties and insusceptibility to shaft axis misalignment.