Showing papers in "Wear in 2019"

TL;DR: In this paper, a detailed characterisation of the wear tracks using electron microscopy and surface profilometry revealed a transition in wear mechanism from abrasive wear at room-temperature to oxidative and delamination wear above 600°C.

TL;DR: In this article, two high speed cameras were simultaneously used to capture the dynamics of the bubble, while the other recorded the damage of the foil and showed that the material deforms and then partially relaxes, while a significant deformation remains.

TL;DR: In this article, a vibration-based scheme for updating a wear prediction model is proposed, which allows a quantitative study of the effects of gear tooth surface wear on gearbox vibration responses.

TL;DR: In this paper, the influence of the anisotropic microstructures on the wear behavior has not been studied and the importance of the micro-structures in fabricating a wear resistant surface using selective laser melting (SLM) is discussed.

TL;DR: In this paper, the development of five different brake friction composites to the standard of Indian scenario brake pads by varying the different cashew friction dusts without varying the other ingredients was discussed.

TL;DR: In this paper, the CAE-PVD TiN film was deposited on two popular metallic materials: 316LVM stainless steel and Ti6Al4V alloy, and the surface roughness, mechanical properties, adhesion as well as anti-wear performance in tribological pair with O6 mm WC-Co ball of both bare and surface modified specimens were evaluated.

TL;DR: In this paper, the effect of nanoparticles in different concentrations was evaluated to study the friction and wear behavior of epoxidised oil for a pin on disc configuration for Liquid metal alloy/steel contacts.

TL;DR: In this paper, the effect of retained austenite stability on impact-abrasion wear resistance was investigated, and it was demonstrated that a high mechanical stability of retained Austenite brought about improved wear resistance in bainite steels.

TL;DR: In this paper, the wear performance of non-reinforced POM (Polyoxymethylene) and 28% GFR (glass fibre reinforced POM) gear pairs was investigated.

TL;DR: In this article, the wear dynamics of carbide tools with multilayer composite nanostructured coatings of various compositions were investigated, including adhesion, transition, and wear-resistant layers.

TL;DR: In this article, cladding materials are used at a small section of wheel surfaces in order to repair wheels with local defects, and cracks are found at the boundary between clad and unclad zones leading to a large chunk of material loss.

TL;DR: In this article, an integrated, automated method for identifying typical wear debris is proposed with a two-level classification procedure, where the first level classification is performed by a general back-propagation (BP) neural network with selected particle's morphological features.

TL;DR: In this article, the frictional self-excited vibration of a wheelset-track system caused by the saturated wheel-rail creep force is proposed as a possible mechanism for wheel polygonal wear of high-speed trains.

TL;DR: In this article, a long-term wear iterative scheme was developed to identify primary contributors of high-order wheel polygonalization and its propagation over the service period in high-speed rail vehicles.

TL;DR: An equiatomic high entropy alloy (HEA) CuMoTaWV was designed for room temperature to high temperature wear applications using spark plasma sintering of elemental powder mixture at 1400°C as discussed by the authors.

TL;DR: In this article, the performance of PVD tungsten carbide coated ball nose milling inserts was investigated under eco-friendly machining methods of cryogenic carbon dioxide (CO2) and dry cutting conditions.

TL;DR: In this paper, the wear behavior of boron-carbide reinforced aluminum surface composites fabricated using FSP was investigated, where Al-6061-T6 was used as base-metal and B4C particles (800 mesh) were used as reinforcement media.

TL;DR: In this article, linear textures were created by the use of a nanosecond-pulsed laser, accompanied by melt bulges of resolidified material on the sides.

TL;DR: In this article, the effect of solution treatment on the cavitation erosion behavior of a Fe-18Cr-16Mn-2Mo-0.66 N high-nitrogen austenitic stainless steel (HNSS) exposed in distilled water up to 8

TL;DR: In this article, a review of relevant investigations across all scales in the laboratory, and in the field has been carried out, which showed that, as rail hardness increases, its wear, and overall system wear reduces.

TL;DR: In this paper, the authors proposed a new protocol for micro-tool wear measurement to overcome the problems of micro-milling research, which allows comparisons to be made across materials and situations and detailed are certain criteria that must be fulfilled to achieve this.

TL;DR: In this article, the effect of tool edge radius on tool wear was investigated in micro-end milling of solid tungsten carbide (WC) tool with TiAlN coating.

TL;DR: In this paper, the influence of wheelset flexibility on the development of wheel polygonization of a locomotive was investigated by analyzing the contact responses against the track irregularity for a free wheelset and an on-track wheelset with consideration of rotation effect.

TL;DR: In this article, a low frequency vibration assisted drilling (LFVAD) coupled with the forced air-cooling was designed to investigate the tool wear issues in drilling of CFRP/Ti6Al4V stacks.

TL;DR: In this article, the wear pattern for the rake face of a cutting tool with the Cr-CrN-(Ti,Cr,Al,Si)N multilayer composite nanostructured coating was considered.

TL;DR: In this paper, the wear mechanism of universal coated carbide tools in feed-direction ultrasonic vibration-assisted milling (UVAM) of Ti-6Al-4V alloy through theorical analysis and experimental approaches was investigated.

TL;DR: In this paper, the effect of laser remelting on microstructure and wear resistance of Al2O3-40%TiO2 coating was studied using scanning election microscopy (SEM), energy disperse spectroscopy (EDS), and X-ray diffraction (XRD).

TL;DR: In this paper, a high-carbon, high-silicon steel was subjected to different heat treatments, resulting in microstructures consisting (a) of austenite and martensite, or (b) of nanobainite, and tempered martensites (up to 39.5-1.8 times more wear resistant).

TL;DR: In this article, the relationship between dominating order and vehicle speed and wheel diameter is analyzed based on the polygonal wear measured at field sites, and a coupled vehicle/track dynamic model is established.

TL;DR: In this paper, a modified microstructure consisting of a white etching layer (WEL) containing nanosized ferrite was observed on the friction surface of worn brake discs.