Showing papers in "Wear in 2005"

TL;DR: In this paper, a practical, predictive equation for estimating erosion damage caused by solid particle impact, which can be utilized under any impact conditions and for any type of material, is proposed.

TL;DR: In this article, the authors present a method to simulate various real wheel-rail contact conditions using one parameter set, which can be identified from measurements or the recommended parameters for modelling of typical wheel rail contact conditions in engineering applications.

TL;DR: A review of significant aspects of nanotribology, nanomechanics, and materials characterization studies conducted using an atomic force microscope can be found in this paper, where the authors present a review of the most important aspects of these studies.

TL;DR: In this article, the authors investigated the relationship between material hardness and the load relaxation ratio in the indentation phenomenon and found that the degree of load relaxation depended upon the ability of plastic flow for soft materials and upon brittleness accompanied by intergranular cracks between composite phases for hard metallic materials.

TL;DR: In this paper, a study was made to compare the microstructure and abrasion resistance of hardfacing alloys reinforced with primary chromium carbides, complex carbides or tungsten carbides.

TL;DR: An overview of rolling contact fatigue phenomena occurring at wheels and rails is given in this paper, which outlines mechanisms behind the various phenomena, means of prediction, influencing parameters and possible means of prevention.

TL;DR: In this paper, the tribological behavior of polyphenylene sulfide (PPS) filled with inorganic nano particles was studied in a pin-on-disk configuration at a sliding speed of 1.0m/s, nominal pressure of 0.65m/m, and counterface roughness of 2.10m Ra.

TL;DR: In this article, the influence of carbide particle size and distribution on the wear resistance of laser-clad coatings is discussed, and a nickel-based matrix reinforced with WC/W 2 C carbides is deposited by a CO 2 laser on low carbon steel substrates.

TL;DR: In this article, the tribological performances of epoxy-based composites, filled with short carbon fibre, graphite, PTFE and nano-TiO 2 in different proportions and combinations, were investigated.

TL;DR: In this paper, a pin-on-disk sliding friction and wear experiments were conducted on two different titanium alloys (Ti-6Al-4V and Ti-8Al-2Sn-4Zr-2Mo) against fixed bearing balls composed of 440C stainless steel, silicon nitride, alumina, and polytetrafluoroethylene (PTFE) at two speeds: 0.3 and 1.0 m/s.

TL;DR: In this article, the performance of various type of polycrystalline cubic boron nitride (PCBN) cutting tools during machining of aluminium alloy reinforced by silicon carbide metal matrix composite (Al-SiC MMC) was investigated.

TL;DR: In this paper, the performance of conventional and nanostructured materials in the form of coatings deposited by high velocity oxy-fuel (HVOF) thermal spraying was examined under sliding wear conditions against an alumina ball and compared with the behaviour of a conventional sintered WC-Co hardmetal.

TL;DR: In this paper, the wear characteristics of Mg composites containing various amounts (up to 1.11vol%) of nano-sized alumina particulates in pin-on-disc dry sliding tests against hardened tool steel, using a range of sliding speeds from 1 to 10m/s, under a constant load of 10 N.

TL;DR: In this article, a brake lining containing 16 ingredients was investigated to study the effect of ingredients on various aspects of friction properties, including wear rate, fade, friction induced vibration, and noise propensity.

TL;DR: In this paper, the authors investigated the wear performance of Alloy-Based Metal Matrix Composites (MMCs) by liquid metallurgy route and found that increased contents of TiO2 resulted in higher hardness and lower wear coefficient of composites under identical test conditions.

TL;DR: In this article, the cavitation erosion behavior of two different austenitic stainless steels in water with different pH values and room temperature have been studied by means of a 20-kHz ultrasonic vibrator operating at a peak-to-peak amplitude of 40 μm.

TL;DR: A review is presented of progress over the last decade in the understanding, measurement and treatment of corrugation, which has made it possible to propose objective standards for rail reprofiling to remove corrugations.

TL;DR: In this article, five injection-moulded blends of PEEK with PTFE were evaluated on a pin-on-disc configuration on an SRV Optimol Tester for their tribo-behaviour in the low amplitude oscillating wear mode.

TL;DR: In this paper, the effects of resin chemistry on friction braking under adverse conditions has been reported in the open literature, but little or no information on the effect of resins chemistry on brake performance is reported.

TL;DR: In this article, a tool wear mechanism in dry machining of a usual aluminium-copper alloy (2024) with an uncoated cemented carbide tool (WC-Co) is described.

TL;DR: In this paper, the authors address issues related to braking and wheel-rail contact conditions in the context of wheel wear simulation, using the KTH approach with Archard's wear model.

TL;DR: In this paper, a combination of three chip formation analysis steps including initial chip formation, chip growth and steady-state chip formation is used to simulate the continuous chip formation process Steady chip shape, cutting force, and heat flux at tool/chip and tool/work interface are obtained Further, after introducing a heat transfer analysis, temperature distribution in the cutting insert at steady state is obtained

TL;DR: In this article, a variety of ten types of rocks were cut in the laboratory with two types of circular diamond saw using a fully instrumented cutting rig at different feed rates, depths of cut and at constant peripheral speed.

TL;DR: In this article, the friction and wear characteristics of NiP and NiP+PTFE coatings in sliding contacts against hard chromium steel are investigated, and the role of heat treatment of the coating is discussed.

TL;DR: In this paper, the micro-Vickers and Rockwell C hardness measurements at different length scales were conducted to investigate the cause of the wear behavior of bainitic and pearlitic rail steels.

TL;DR: In this article, the effect of particle velocity and mean impact angle on the corrosion-erosion of solubilized AISI 304 and quenched and tempered AisI 420 stainless steels was studied.

TL;DR: In this article, the performance of hard chromium, electroless nickel composite and two HVOF tungsten carbide coatings as candidate hard surface coatings for use in offshore gate valves was evaluated.

TL;DR: The effect of contact area on nano/micro-scale friction was experimentally studied in this article, where Borosilicate glass balls with various radii were used in order to change the contact area.

TL;DR: In this paper, a pin-on-ring apparatus was used to evaluate the wear properties of an AA6061 matrix composite with Al2O3, B4C, Ti3Al, and B2Ti in volume fractions ranging from 5% to 15%.

TL;DR: In this paper, the dry sliding wear of NiCrBSi coatings deposited on the plates of grey cast iron (DIN GG30) using the laser cladding technique, the parameters of which were such as to provide almost crack-free coatings with minimum dilution and very low porosity.