The Load Dependence of Laboratory Abrasion and Tire Wear

Grosch, K. A.; Schallamach, A.

doi:10.5254/1.3547282

Cited by 17 publications

(11 citation statements)

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“…The effect of normal load is less pronounced compared to the influence of speed. This corresponds with Schallamach and Grosch who showed that the proportionality of the friction coefficient to the normal load is of a power − 1/3 for a smooth surface to − 1/9 for a rough one [54,55]: so the effect is limited than speed. Moreover, the larger load also decreased the R e in Eq.…”

Section: Visual Comparisons Between Road and Laboratorysupporting

confidence: 73%

A New Horizon for Evaluating Tire Grip Within a Laboratory Environment

Salehi

Noordermeer

Reuvekamp³

et al. 2020

Tribol Lett

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The evaluation of tire grip on the road is costly and consumes high energy and time, but is essential for safety. Prediction of tire grip on a laboratory scale is therefore always of interest and of utmost importance for research and material developments. It mostly suffers from lack of comparison with actual tire data. To involve all influencing factors on tire grip in a laboratory scale measurement is very complex. Therefore, it has always remained challenging to obtain a strong correlation between laboratory results and road data. In the present study, a new test method is developed for a Laboratory Abrasion Tester, LAT100, which enables to exploit the device as a tribometer. The objective was to develop a technique on a laboratory device to mimic the common test modalities for evaluating tire grip on the road with a trailer tester: lateral (α) and longitudinal (κ) sweep tests. The new method is validated by correlating the laboratory data with the two test modalities of real tire grip on a dry road using a trailer tester for six different tire tread compositions. For the LAT100 tests, solid rubber wheels are characterized at three different normal loads. The effects are comparable with actual tire data. The outcome of the new test method is in good agreement with actual tire trailer α-sweep tests.

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Section: Visual Comparisons Between Road and Laboratorysupporting

confidence: 73%

A New Horizon for Evaluating Tire Grip Within a Laboratory Environment

Salehi

Noordermeer

Reuvekamp³

et al. 2020

Tribol Lett

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“…Table depicts the variation of volume losses of Akron abrasion of the different SBR vulcanizates. The SBR/VPR/clay nanocomposite was much more effective to enhance the abrasion resistance, and abrasion loss is only 0.15 cm −3 , which is adequate for application in the rubber industry .…”

Section: Resultsmentioning

confidence: 88%

Improved mechanical properties and abrasion resistance of styrene butadiene rubber/butadiene–styrene–vinyl pyridine rubber/clay nanocomposites with strong interfacial interaction

Wang

et al. 2017

Polymer Composites

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Given the advantages of the latex compounding method, clay was nanodispersed into a styrene butadiene rubber (SBR) matrix, and butadiene-styrene-vinyl pyridine rubber (VPR) latex was introduced to in situ-modified clay to support strong interfacial interaction between clay layers and SBR matrix. The strong interfacial interaction was investigated through Fourier-transform infrared spectra, X-ray photoelectron spectroscopy, and dynamic mechanical properties. The structure and properties of SBR/VPR/clay nanocomposites were studied through X-ray diffraction, high-resolution transmission electron microscope, and mechanical and abrasion testing. The aspect ratio of clay layers was calculated using Halpin-Tsai model. The largely improved mechanical properties and abrasion resistance was adequate evidence that the exfoliated structures with large aspect ratios and strong interfacial interaction play critical roles in nanoreinforcement. POLYM. COMPOS., 00:000-000,

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“…where H is the material hardness and K is the wear factor. However, Grosch and Schallamach 10 found that the rubber wear rate is not simply a linear function of normal load, or nominal pressure denoted by 0 , but a nonlinear function of the nominal pressure written as…”

Section: Rubber Wearmentioning

confidence: 99%

“…However, in general, the relationship between wear rate and friction does not obey a simple rule, and it depends on different parameters such as environmental conditions, e.g. temperature and humidity, 9 and operating condition such as normal load, 10 velocity, 11 and the topography of contact surfaces. Moreover, in some conditions, there is no direct relationship between friction and wear, and they behave oppositely.…”

Section: Introductionmentioning

confidence: 99%

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Design and development of a new portable test setup to study friction and wear

Emami

Khaleghian

Bezek

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part J:

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In this paper, a novel portable sliding friction and wear test rig is introduced. Unlike other laboratory-based test setups, this setup can be used for both indoor and outdoor experiments. There is also no limitation on the size and type of the substrate surface that can be used for the friction and wear test in contrast to typical test rigs, which have some limitations for the size and type of substrate surface. A small six-wheel ground robot is developed to drag the sample on an arbitrary surface for a desired distance and velocity. A ground robot is an unmanned ground vehicle, capable of driving on the ground without humans on board. The speed of this robot can be measured and controlled precisely. The nominal normal load is adjusted using dead weights placed on the sample holder and the friction force is measured using a load cell. An adjustable sample holder was also designed and built to hold different-size specimens. The results of styrene–butadiene rubber block sliding on an asphalt track are presented to validate the test setup and illustrate the potential of the system for friction and wear testing. In addition, the effect of sliding velocity on the friction and wear is studied, and the correlation between the wear rate and the friction coefficient is investigated. These experimental results can be used to estimate the friction and life span of a tire tread compound on the real asphalt road. Finally, the formation of abrasion pattern observed on the rubber surface sliding on an asphalt track is discussed, which provides an insight into the understanding of dominant wear mechanism of tire tread compound on typical asphalt surfaces.

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The Load Dependence of Laboratory Abrasion and Tire Wear

Cited by 17 publications

References 0 publications

A New Horizon for Evaluating Tire Grip Within a Laboratory Environment

A New Horizon for Evaluating Tire Grip Within a Laboratory Environment

Improved mechanical properties and abrasion resistance of styrene butadiene rubber/butadiene–styrene–vinyl pyridine rubber/clay nanocomposites with strong interfacial interaction

Design and development of a new portable test setup to study friction and wear

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