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Showing papers in "Wear in 2002"


Journal ArticleDOI
01 Jan 2002-Wear
TL;DR: In this paper, the authors give a general view of the contact situation of organic binder brake friction materials against cast iron discs, with special emphasis on many mechanisms for contact surface variations and the corresponding variations of the coefficient of friction.

442 citations


Journal ArticleDOI
01 Oct 2002-Wear
TL;DR: In this article, a pin-on-ring tribometer was used to test the wear properties of graphite composites of 8, 15, and 20% graphite powders.

335 citations


Journal ArticleDOI
01 Mar 2002-Wear
TL;DR: In this article, the tribological behavior of polytetrafluroethylene (PTFE) and PTFE composites with filler materials such as carbon, graphite, E glass fibers, MoS 2 and poly-p-phenyleneterephthalamide (PPDT) fibers, was studied.

332 citations


Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this paper, a wheel profile wear prediction tool is developed and applied to a vehicle operating the commuter rail network in Stockholm, based on a load collective concept where time-domain simulations are performed based on actual track data, measured rail profiles as well as pertinent operating conditions.

300 citations


Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this article, the role of oxide wear debris in fretting wear was studied by allowing them to escape from the interface during sliding by laser surface texturing that forms regular micro-pores topography on the friction surfaces which enables this escape.

298 citations


Journal ArticleDOI
01 Jan 2002-Wear
TL;DR: In this article, the crystalline structure of nanoparticles has been characterized by HRTEM and particle size distribution has been measured, and the nanopowder has been added to motor oil and friction coefficient measured to compare with that of pure oil.

271 citations


Journal ArticleDOI
01 Feb 2002-Wear
TL;DR: In this article, a microcontact and wear model for chemical-mechanical polishing of silicon wafers is presented, based on elastic-plastic micro-contact mechanics and abrasive wear theory.

265 citations


Journal ArticleDOI
01 Nov 2002-Wear
TL;DR: In this article, an irradiation grafting method was applied to modify nanosilica by covalently bonding polyacrylamide (PAAM) onto the particles.

245 citations


Journal ArticleDOI
01 Nov 2002-Wear
TL;DR: In this paper, the wear resistance of Ni-SiC composites manufactured by electro-codeposition process was investigated, which is significantly correlated to the vol.% of SiC in the matrix.

211 citations


Journal ArticleDOI
01 Dec 2002-Wear
TL;DR: The modes of wear of ceramics can be briefly described as mild wear and severe wear as discussed by the authors, where mild wear occurs when tribochemical reaction forms a relatively soft and thin surface layer which is detached from the surface as thin flakes or dissolves in water.

211 citations


Journal ArticleDOI
01 Oct 2002-Wear
TL;DR: In this paper, the friction and wear performance of polyetheretherketone (PEEK) and polyphenylenesulphide (PPS) of thermoplastic polymer in water was studied using a face-contact sliding tester.

Journal ArticleDOI
Z.S Hu, R Lai, F Lou, L.G Wang, Z.L Chen, G.X Chen, J.X Dong 
01 Mar 2002-Wear
TL;DR: In this article, a nanoparticle magnesium borate with a particle size of about 10 nm was prepared using ethanol supercritical fluid drying technique and was characterized with TEM, XRD and X-ray small angle scattering.

Journal ArticleDOI
01 Feb 2002-Wear
TL;DR: In this paper, the authors focused on the characterization of friction layer formation and correlation of the friction layer properties to the performance of a recently developed family of polymer matrix composites, and demonstrated that the character of a friction layer determined the friction performance of the investigated composite material.

Journal ArticleDOI
01 Mar 2002-Wear
TL;DR: In this paper, a procedure is proposed to correlate the volumetric wear loss of one first body with the dissipated energy for unidirectional and bidirectional ball-on-flat tests.

Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this paper, an adhesion test under the conditions of different wheel/rail contacts, such as various speeds, axle-loads, contamination situation, was carried out, where the rollers of the test rig were excited with hydraulic system in the test.

Journal ArticleDOI
01 Aug 2002-Wear
TL;DR: In this paper, the mechanical and tribological properties of polyamide 6 and high density polyethylene (HDPE) polyblends made using maleic anhyride polypropylene as the compatibilizing agent were studied.

Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this article, the authors reviewed the studies on corrugation in the past and those carried out now in the world and more precisely in Japan, focusing on bibliographies, attempts in the 1970s, classification of rail corrugations, short-pitch Corrugation, and studies in Japan in recent years.

Journal ArticleDOI
01 Jan 2002-Wear
TL;DR: In this paper, the erosive wear behavior of GF reinforced thermoplastic polypropylene (PP) composites was studied in a modified sandblasting apparatus as a function of the impact angle (30, 60 and 90°), relative fibre-orientation (parallel Pa and perpendicular Pe), fibre length (discontinuous, continuous) and fibre content (40-60 W.%).

Journal ArticleDOI
01 Nov 2002-Wear
TL;DR: In this paper, a pin-on-disc configuration was employed for studying the formation and wear mechanism of tribo-oxides on sliding contact surfaces of some steels and three wear mechanisms were found from the micrographic results.

Journal ArticleDOI
01 Feb 2002-Wear
TL;DR: In this article, a simple physically-based model for the abrasive wear of composite materials is presented based on the mechanics and mechanisms associated with sliding wear in soft (ductile) matrix composites containing hard (brittle) reinforcement particles.

Journal ArticleDOI
01 Apr 2002-Wear
TL;DR: In this paper, the specific wear rate and frictional coefficient have been predicted based on a measured database for short fiber reinforced polyamide 4.6 (PA4.6) composites.

Journal ArticleDOI
01 Jan 2002-Wear
TL;DR: In this article, a diffusion wear model for high speed cutting processes is proposed, where diffusion at the tool-chip interface is controlled by the contact temperature and the cutting conditions are analyzed in terms of cutting conditions (cutting velocity, feed, rake angle), friction characteristics and material properties.

Journal ArticleDOI
01 Mar 2002-Wear
TL;DR: In this article, carbon nanotube composite coatings were applied onto carbon/carbon composites to improve wear properties, and the results showed that the addition of nanotubes has the potential to increase the wear resistance of carbon composites.

Journal ArticleDOI
01 Dec 2002-Wear
TL;DR: In this article, a review of the state of the art relating to the rolling contact fatigue (RCF) investigation of various overlay coatings and also, to ascertain the influence of design parameters such as the type of deposition process, coating material and thickness on the RCF performance.

Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this article, wear behavior of woven 300 and 500 glass fabrics and aramid fiber-reinforced composite materials are experimentally investigated for 500 and 710rpm speeds and at two different loads of 500 and 1000 g using a block-on-shaft wear tester.

Journal ArticleDOI
01 Aug 2002-Wear
TL;DR: In this paper, the maximum surface temperature during rolling contact of railway wheels with sliding friction can be estimated using Blok's flash temperature formula, and an efficient approach is proposed for Hertzian contact.

Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: The HPF friction modifier has demonstrated the ability to change the negative friction characteristic of the wheel-rail interfacial layer to positive, and reduce and control friction to levels consistent with braking and traction requirements of the system as mentioned in this paper.

Journal ArticleDOI
01 Apr 2002-Wear
TL;DR: In this article, a tribological approach for understanding how a contact takes place when first bodies are in relative movement and are separated by a solid third body is proposed. But this approach requires the first body to be in contact with the third body.

Journal ArticleDOI
01 Jan 2002-Wear
TL;DR: In this article, a single pass scratch test on bilinear elastic-plastic materials with a conical indenter was simulated using a three-dimensional finite element model, and the influence of the interfacial friction coefficient μs and the apical angle α of the indenter on the induced maximum tangential force FT, normal force FN, and overall friction coefficient was systematically studied.

Journal ArticleDOI
01 Jul 2002-Wear
TL;DR: In this article, it was shown that roughness causes the contact pressure to deviate from the assumed Hertzian (smooth) to one which is spiky, which is called the shakedown limit.