Showing papers in "Tribology - Materials, Surfaces & Interfaces in 2021"
TL;DR: Nanolubrication is one of the recent innovative technologies used in lubrication science It involves dispersion of various types of nanoparticles in different concentrations in the conventional lubrication as discussed by the authors.
Abstract: Nanolubrication is one of the recent innovative technologies used in lubrication science It involves dispersion of various types of nanoparticles in different concentrations in the conventional lu
26 citations
TL;DR: Linking the key performance parameters to the manufacturing processes, which affect material properties, will provide more insight into the behaviour of medical gloves and how to properly assess materials.
Abstract: Medical protective gloves must be assessed to adequate standards before becoming available for commercial use. Strength, integrity and contamination are assessed at the manufacturing stage. However...
18 citations
TL;DR: In this article, 2D contact wear measurement techniques are used to detect the health conditions of trams and evaluate the wear of rolling components, which is crucial for tramway dynamics, maintenance and safety.
Abstract: Wear evaluation of rolling components is crucial for tramway dynamics, maintenance and safety. 2D contact wear measurement techniques are the most commonly used to detect the health conditions of r...
12 citations
TL;DR: In this article, the influence of n-Al2O3 and graphene nanoplatelet (GNP) on the tribological properties of a eutectic Al-Si (aluminum silicon) alloy was investigated.
Abstract: In this study, the influence of n-Al2O3 (aluminum oxide) and graphene nanoplatelet (GNP) on the tribological properties of a eutectic Al–Si (aluminum silicon) alloy was investigated. For Al–Si/n-Al...
9 citations
TL;DR: The engine power losses and sealing behavior through compression rings have become a priority for engine manufactures in view of future stringent emissions standards as discussed by the authors, which is the case for all modern engines.
Abstract: The engine power losses and sealing behaviour through compression rings have become a priority for engine manufactures in view of future stringent emissions standards. Historically, compression rin...
8 citations
TL;DR: Twin disc instruments are an essential tool for evaluating third body materials in the wheel/rail interface as discussed by the authors, and two different scale instruments were proven to correlate with the results of two different scales.
Abstract: Twin disc instruments are an essential tool for evaluating third body materials in the wheel/rail interface. Twin disc testing results (from two different scale instruments) were proven to correlat...
7 citations
TL;DR: In this paper, the authors reported an improvement in the friction and wear behavior of different lubricating oils by the addition of different nanotechnology nanosynthetic materials, such as nanomaterials.
Abstract: With the advancement in the field of nanotechnology, various researchers have reported an improvement in the friction and wear behaviour of different lubricating oils by the addition of different n...
6 citations
TL;DR: In numerous high-temperature applications like hot forming, power generation, and aerospace, many components are coated by thermal spraying to counter wear and high temperature oxidation as mentioned in this paper. But, in this paper, we focus on a single component.
Abstract: In numerous high-temperature applications like hot forming, power generation and aerospace, many components are coated by thermal spraying to counter wear and high-temperature oxidation. In this pa...
6 citations
TL;DR: In this paper, heat treatments were carried out at 350, 450, 550 and 650°C on WC-10Co4Cr coatings deposited by High-Velocity Oxy-Fuel (HVOF) onto AISI 420 stainless steel substrate in order to study their influence.
Abstract: Heat treatments were carried out at 350, 450, 550 and 650°C on WC-10Co4Cr coatings deposited by High-Velocity Oxy-Fuel (HVOF) onto AISI 420 stainless steel substrate in order to study their influen...
6 citations
TL;DR: In this article, a novel tribo-testing method using a pin-on-plate tribometer was developed to test and visualize the coefficient of friction over surfaces with oxides present to examine low adhesion issues.
Abstract: A novel tribo-testing method using a pin-on-plate tribometer was developed to test and visualize the coefficient of friction over surfaces with oxides present to examine low adhesion issues. Tribo-...
5 citations
TL;DR: Titanium alloys are known to cause crater wear on cutting inserts and it is one of the life-limiting factors for the tool life and highly influenced by the cutting parameters as discussed by the authors.
Abstract: Titanium alloys are known to cause crater wear on cutting inserts. It is one of the life-limiting factors for the tool life and highly influenced by the cutting parameters. To increase productivity...
TL;DR: In this paper, the effect of material plastic properties in solid-contaminated wheel-rail couplings was studied by simplified finite element models, considering typical couplings of steels following European and...
Abstract: The effect of material plastic properties in solid-contaminated wheel-rail couplings was studied by simplified finite element models, considering typical couplings of steels following European and ...
TL;DR: In this paper, the authors presented solids friction factor correlations for the fluidized dense phase conveying of fine particles or powders and showed that the pressure drop for conveying can be predicted using these correlations.
Abstract: Few researchers have presented solids friction factor correlations for the fluidized dense phase conveying of fine particles or powders. Pressure drop for conveying can be predicted using these cor...
TL;DR: In this paper, chromium nitride-based CrSiN coatings were deposited by PVD (physical vapour deposition) magnetron sputtering on XC100 steel substrate.
Abstract: In this study, chromium nitride-based CrSiN coatings were deposited by PVD (physical vapour deposition) magnetron sputtering on XC100 steel substrate. Mechanical properties of CrSiN were investigat...
TL;DR: In this paper, a vision-based experimental methodology was developed for monitoring the surface state evolution of specimens during twin-disc rolling contact tests, aimed at providing information for identifying objects.
Abstract: A vision-based experimental methodology was developed for monitoring the surface state evolution of specimens during twin-disc rolling contact tests, aimed at providing information for identifying ...
TL;DR: In this article, the tribological behavior of carburized steel with different microstructures, produced by varying the carburization time, was investigated and it was shown that increasing carburisation time from 1 h to 3 h result in better tribological performance.
Abstract: The tribological behaviour of carburized steel with different microstructures, produced by varying the carburization time was investigated. Increasing the carburization time from 1 h to 3 h resulte...
TL;DR: In this paper, the WS2 nanoparticles blended in a cutting fluid used for machining of this alloy were used for pin-on disk tests and the results showed that the WS 2 nanoparticles performed better than the traditional WS1 nanoparticles.
Abstract: Tribological behaviour of Ti–6Al–4V alloy sliding against WC-Co was evaluated by employing WS2 nanoparticles blended in a cutting fluid used for machining of this alloy. Pin-on disk tests were carr...
TL;DR: In this paper, electrical capacitance method has been applied in measuring the elasto-hydrodynamic lubrication film thickness in rolling element bearings since 1970s, due to its feasibility of measuring film thic...
Abstract: Electrical capacitance method has been applied in measuring the elasto-hydrodynamic lubrication film thickness in rolling element bearings since 1970s, due to its feasibility of measuring film thic...
TL;DR: In this article, the tribological behavior of Ti-48Al-2Nb-2Cr alloy under dry sliding reciprocating conditions was studied. And a reciprocating wear machine was employed to evaluate the typic...
Abstract: The aim of this research was to study the tribological behaviour of Ti–48Al–2Nb–2Cr alloy under dry sliding reciprocating conditions. A reciprocating wear machine was employed to evaluate the typic...
TL;DR: In this paper, a technique to produce thermal sprayed coatings using HVOF (high-velocity oxy-fuel) method is discussed, which is a widely used application in high-temperature erosion and corrosion environmen...
Abstract: This work concerns a technique to produce thermal sprayed coatings using HVOF (high-velocity oxy-fuel) method as it is a widely used application in high-temperature erosion and corrosion environmen...
TL;DR: In this article, a scalable electroless deposition process was used for the fabrication of hybrid composite coatings on a steel substrate by selecting the optimum bath composition and operating conditions to achieve optimum bath conditions.
Abstract: Ni–P–BN(h)–Ag hybrid composite coatings were fabricated on the steel substrate by a scalable electroless deposition process. The optimum bath composition and operating conditions were selected to o...
TL;DR: The influence of the initial surface roughness on the wheel-rail contact has been a concern for railway systems especially since the introduction of rail grinding and wheel reprofiling as maintenan...
Abstract: The influence of the initial surface roughness on the wheel–rail contact has been a concern for railway systems especially since the introduction of rail grinding and wheel reprofiling as maintenan...
TL;DR: In this article, the Ni-α nano Al2O3 particle was carried out on Aluminium 6061 and the optimized electrodeposition conditions were found to be 40°C, 2'A/dm2, 6'g/L of temperature, current densi...
Abstract: Electrodeposition of Ni-α nano Al2O3 particle was carried out on Aluminium 6061. The study optimized electrodeposition conditions were found to be 40°C, 2 A/dm2, 6 g/L of temperature, current densi...
TL;DR: In this paper, the formation of white etching cracks was identified as a cause of failure of a bearing in transient operating conditions, as a result of flaking that causes changes in subsurface microstructure.
Abstract: Bearings fail prematurely in transient operating conditions, as a result of flaking that causes changes in subsurface microstructure. In this type of failure, the formation of White Etching Cracks ...
TL;DR: In this article, an experimental study on the use of Cu nanofluids as engine oils for reduction of friction in piston ring-liner contact is presented, using both CuS and CuO nanoparticles.
Abstract: An experimental study on the use of Cu nanofluids as engine oils for reduction of friction in piston ring–liner contact is presented. The Cu nanofluids were prepared using CuS and CuO nanoparticles...
TL;DR: The unique biocompatible and wear resistant nature of ultrahigh molecular weight polyethylene (UHMWPE) makes it a suitable material for load bearing applications in total joint replacements (TJR) as mentioned in this paper.
Abstract: The unique biocompatible and wear resistant nature of ultrahigh molecular weight polyethylene (UHMWPE) makes it a suitable material for load bearing applications in total joint replacements (TJR). ...
TL;DR: In this article, the numerical procedure to solve two-dimensional wheel-rail contact problem between a rigid wheel and an elastic-plastic rail lying on a rigid foundation is presented.
Abstract: This work is concerned with the numerical procedure to solve two-dimensional wheel-rail contact problem between a rigid wheel and an elastic-plastic rail lying on a rigid foundation. The contact ph...