Theoretical prediction of hysteretic rubber friction in ball on plate configuration by finite element method

Pálfi, László; Goda, Tibor; Váradi, Károly

doi:10.3144/expresspolymlett.2009.89

Cited by 19 publications

(16 citation statements)

References 10 publications

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“…The hysterisis friction coefficient (μ hys ) can be expressed by Eq . 2 [16]: where ν is the Poisson ratio, E is the equivalent elastic modulus of the contacting bodies, and p av was the average contact pressure. Supposing that K 2 , p in Eq .…”

Section: Resultsmentioning

confidence: 99%

Effect of vapor‐grown carbon nanofibers on the sliding friction of natural rubber composites

Jiang

Natsuki

et al. 2011

Polymer Composites

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The friction properties of vapor‐grown carbon nanofibers (VGCFs) reinforced natural rubber (NR) composites were investigated with the ball‐on‐plate sliding test. A mechanism was proposed on the basis of the viscoelastic properties, morphology and hardness of the composites, determined using dynamic mechanical analysis, optical microscopy, field emission scanning electron microscopy, transmission electron microscopy and a hardness‐testing device. The friction behavior of NR/VGCF composites showed three different stages: an increment trend at first stage, a decrement trend at second stage and a stable state at third stage. The peak values of friction coefficient were similar, and the peak shifted to a smaller cycle with increased VGCF content. The eventual friction coefficient decreased with increased VGCF content due to accelerated formation of abrasion patterns in the NR/VGCF composites. Moreover, the arranged VGCFs contributed to the self‐lubrication of NR/VGCF composites and the NR/20 wt% VGCF composite had the smallest friction coefficient. POLYM. COMPOS., 2011.© 2011 Society of Plastics Engineers

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Section: Resultsmentioning

confidence: 99%

Effect of vapor‐grown carbon nanofibers on the sliding friction of natural rubber composites

Jiang

Natsuki

et al. 2011

Polymer Composites

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“…As indicated in Stage II, where both fixed and rigid steel connector and pin side wall are in contact with each other, mainly at the area between the rubber and the counter surface, friction could possibly be the cause of the failure. Friction is one of the failure mechanism which is due to two physical phenomena which are (i) adhesion between the surfaces and (ii) is hysteresis loss in rubber [13]. In this case, as the rubber bush slides repeatedly on the side wall counter surface which is rigid compared to rubber, and through time the surface of the steel could deform the rubber surface.…”

Section: Fig 4 Track Pin Adnan -Malaysian Armoured Vehiclementioning

confidence: 99%

Failure Characteristics on ADNAN Malaysian Armoured Vehicle Track Shoe and its Improvements

Hussin¹,

CheLah²,

Aziz³

2020

IJEAT

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 Abstract: Armoured military vehicle is designed to withstand the stresses impact from bullets, missiles or any explosive shells. It is applied to the vehicle in order to protect the personnel inside from enemy fire and also to protect from any threats other than deliberate attack. However, an issue arises when it comes for track link shoes of the armoured vehicle which already became problems to the designers and users of tracked vehicles. The track link problems usually related to the problems that already existed because of its excessive weight, excessive noise and vibrations, overheating of rubber track elements and road wheels, etc. All of these existing problems could leads to the failure of pin and bushing, chunking of the pads and breaking of the track links itself. Instead of that, today's tracks are much more expensive not only in terms of initial cost but also the replacement cost. Here, this paper reviews some of the failure cases and improvements of the armoured-vehicle itself. It also covers a real study on the failure assessment of the ADNAN (The Malaysian Armoured-Vehicle) Track Shoe.Index Terms: military vehicle, rubber track, pin and bushing, impact stress, vibration.

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“…9 for room temperature and 150 • C can be considered as upper estimates as regards the COF. More in detail about this investigation can be found in [17,18].…”

Section: Fe Model Of the Ball On Plate Testmentioning

confidence: 99%

“…The details of the generalized Maxwell model fitting can be seen in [9,10,[18][19][20].The non-linear stress-strain behaviour of the rubber was modelled with the frequently used Mooney-Rivlin model applying two parameters [21] with values of c 10 = 406.66 MPa and C 01 = 106, 66 MPa (E 0 = 3050 MPa) The construction of the generalized Maxwell model in detail can be found in [10,[18][19][20].…”

Section: Fitting Of the Generalized Maxwell-model To The Master Curvementioning

confidence: 99%

Hysteretic friction of rubber in tribological tests

Pálfi¹,

Váradi²

2010

Per. Pol. Mech. Eng.

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The goal of this paper is to summarize different investigations of FE modelling of rubber hysteretic friction which was produced in the last 4 years in the KRISTAL project (Knowledgebased Radical Innovation Surfacing for Tribology and Advanced Lubrication, EU Project Reference CT-2005-515837). László PálfiDepartment of Machine and Product Design, BME, H-1111 Budapest, Müe-gyetem rkp. 3., Hungary e-mail: palfi.laszlo@gt3.bme.hu Károly VáradiDepartment of Machine and Product Design, BME, H-1111 Budapest, Müe-gyetem rkp. 3., Hungary e-mail: varadi@eik.bme.hu IntroductionDuring the design process of different mechanical engineering applications wherein components are sliding on each other it is important to know the mechanical behaviour and tribological properties of the components. In many technical applications one of the sliding surfaces is made of rubber or a rubber-like material (such as seals contacting with a metal or polymer surface, wiper blades-wind screen and tires-road contact etc.). In case of clean surfaces and in the absence of lubricant when contacting surfaces are dry the main source of rubber friction is the adhesion and hysteresis [1][2][3]. The joint effect of them generates frictional resistance when an elastomer part is pressed and rubbed against a rough surface.If the rubber slides on a rough surface which is rigid compared to the rubber, the asperities of the surface repeatedly deform the surface of the rubber. Due to the viscoelastic material behaviour of rubber, during deformation, part of the strain energy is transformed to heat as a result of the hysteresis [3]. Generally, rubber components operate under lubricated conditions, to separate rubbing surfaces thus reducing the impact of adhesion, as well as by filling up the valleys with the lubricant to reduce the exciting effect of asperities. The shearing of the fluid film also acts as a source of friction. In general, the fluid film is extremely thin, therefore many times boundary lubrication occurs.Numbers of articles deal with the analytic and semi-analytic determination of friction force induced by from hysteresis. Grosch [3] performs pioneering work by revealing that the two main sources of the friction force are adhesion between the surfaces and the energy loss generated in the material, that is, hysteresis. In addition, he stated that both physical phenomena are closely connected to internal friction (hysteresis) of the rubber. In the papers of Persson and Klüppel [4,5] they investigated the rubber when it is sliding on a hard, rough substrate and energy dissipated inside the rubber due to the surface asperities of the substrate exert oscillating forces on the rubber surface. Hysteretic friction was determined and the results were compared with the experimental data of Grosch. Persson stated that rubber friction on rough surfaces in presence of lubricant is mainly due to the viscoelastic deformations of rubber (hysteresis).

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Theoretical prediction of hysteretic rubber friction in ball on plate configuration by finite element method

Cited by 19 publications

References 10 publications

Effect of vapor‐grown carbon nanofibers on the sliding friction of natural rubber composites

Effect of vapor‐grown carbon nanofibers on the sliding friction of natural rubber composites

Failure Characteristics on ADNAN Malaysian Armoured Vehicle Track Shoe and its Improvements

Hysteretic friction of rubber in tribological tests

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