The Speed and Temperature Dependence of Rubber Friction and Its Bearing on the Skid Resistance of Tires

Abstract Wet skid resistance for rubbers with a wide range of carbon black loadings and process oil loadings was investigated from the viewpoints of viscoelastic properties and abrasion properties. An analysis of wet skid resistance by the factors of Tα and BPST abrasion, which was effectively performed on a wide range of polymers in a previous report, gave a poor correlation this time. In the case of a wide range of carbon black loadings and oil loadings, the factors of tan δ and BPST abrasion had a good relationship with wet skid resistance. In this study, tan δ at 7°C was found to be a suitable factor corresponding to adhesion loss and hysteresis loss in rubber friction. By the evaluation of abrasions, BPST abrasion and PICO abrasion were estimated to be governed by different mechanisms.

Download Full-text

Skid Resistance Analysis on Asphalt Pavement Based on Rubber Friction Mechanisms

CICTP 2017 ◽

10.1061/9780784480915.471 ◽

2018 ◽

Author(s):

Qingqing Cao ◽

Xiuyu Liu ◽

Xiaoming Huang

Keyword(s):

Friction Mechanisms ◽

Asphalt Pavement ◽

Skid Resistance ◽

Resistance Analysis ◽

Rubber Friction

Download Full-text

Viscoelastic Properties of Elastomers and Tire Wet Skid Resistance

Rubber Chemistry and Technology ◽

10.5254/1.3538445 ◽

1997 ◽

Vol 70 (4) ◽

pp. 584-594 ◽

Cited By ~ 54

Author(s):

H. Takino ◽

R. Nakayama ◽

Y. Yamada ◽

S. Kohjiya ◽

T. Matsuo

Keyword(s):

Systems Analysis ◽

Viscoelastic Properties ◽

Skid Resistance ◽

Polymer Systems ◽

The Past ◽

Rubber Friction ◽

Wide Range ◽

Tan Δ ◽

Peak Value ◽

Wet Skid Resistance

Abstract Many studies concerning tire wet skid resistance have been published in the past, but they have in general involved the use of only a few grades of SBR and BR. We have evaluated the British Portable Skid Tester (BPST) wet skid resistance of eighteen sulfur curable polymers which might be used for automobile tires. These results have been analyzed in relation to the viscoelastic properties of the polymer systems. Analysis of wet skid resistance in terms of the peak value of tan δ over a prescribed temperature range, designated as Tα, and abrasion loss—derived from the theory of rubber friction—was concluded to give a better general relationship for a wide range of polymers.

Download Full-text

A method to predict skid resistance from texture using a rubber friction model

17. Internationales Stuttgarter Symposium - Proceedings ◽

10.1007/978-3-658-16988-6_95 ◽

2017 ◽

pp. 1263-1280

Author(s):

Markus Oeser ◽

A. Ueckermann

Keyword(s):

Friction Model ◽

Skid Resistance ◽

Rubber Friction

Download Full-text

The Velocity and Temperature Dependence of Rubber Friction

Rubber Chemistry and Technology ◽

10.5254/1.3543475 ◽

1954 ◽

Vol 27 (1) ◽

pp. 234-241

Author(s):

A. Schallamach

Keyword(s):

Silicon Carbide ◽

Temperature Dependence ◽

Tangential Stress ◽

Exponential Function ◽

Absolute Temperature ◽

Rate Process ◽

First Approximation ◽

Rubber Friction ◽

Reciprocal Absolute Temperature

Abstract It is shown experimentally that the velocity of frictional gliding under constant tangential stress of rubber on glass and on silicon carbide cloth is, in the first approximation, an exponential function of the reciprocal absolute temperature and of the tangential stress. It is suggested that frictional gliding of rubber is a rate process.

Download Full-text

Temperature Dependence of the Critical Electron Dose for Fatty Acid Monolayers

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100053188 ◽

1982 ◽

Vol 40 ◽

pp. 78-79

Author(s):

Kenneth H. Downing ◽

Robert M. Glaeser

Keyword(s):

Electron Beam ◽

Fatty Acid ◽

Inelastic Scattering ◽

Temperature Dependence ◽

Structural Damage ◽

Direct Result ◽

Second Step ◽

Strong Temperature Dependence ◽

Electron Dose ◽

Covalent Bonds

The structural damage of molecules irradiated by electrons is generally considered to occur in two steps. The direct result of inelastic scattering events is the disruption of covalent bonds. Following changes in bond structure, movement of the constituent atoms produces permanent distortions of the molecules. Since at least the second step should show a strong temperature dependence, it was to be expected that cooling a specimen should extend its lifetime in the electron beam. This result has been found in a large number of experiments, but the degree to which cooling the specimen enhances its resistance to radiation damage has been found to vary widely with specimen types.

Download Full-text

Temperature Dependence of Magnetic Domains and Wall Structures

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s042482010009573x ◽

1972 ◽

Vol 30 ◽

pp. 496-497

Author(s):

Sonoko Tsukahara ◽

Tadami Taoka ◽

Hisao Nishizawa

Keyword(s):

Temperature Dependence ◽

Domain Walls ◽

Magnetic Domain ◽

Iron Film ◽

Objective Lens ◽

Lorentz Microscopy ◽

Domain Structures ◽

Wall Structures ◽

Crystal Films ◽

Metallurgical Structure

The high voltage Lorentz microscopy was successfully used to observe changes with temperature; of domain structures and metallurgical structures in an iron film set on the hot stage combined with a goniometer. The microscope used was the JEM-1000 EM which was operated with the objective lens current cut off to eliminate the magnetic field in the specimen position. Single crystal films with an (001) plane were prepared by the epitaxial growth of evaporated iron on a cleaved (001) plane of a rocksalt substrate. They had a uniform thickness from 1000 to 7000 Å.The figure shows the temperature dependence of magnetic domain structure with its corresponding deflection pattern and metallurgical structure observed in a 4500 Å iron film. In general, with increase of temperature, the straight domain walls decrease in their width (at 400°C), curve in an iregular shape (600°C) and then vanish (790°C). The ripple structures with cross-tie walls are observed below the Curie temperature.

Download Full-text