An experimental study of friction at high sliding velocities

Philippon, Sylvain; Sutter, Guy; Molinari, A.

doi:10.1016/j.wear.2004.03.017

Cited by 66 publications

(58 citation statements)

References 18 publications

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“…Besides, the friction angle at a cutting speed of 140 m/s becomes 1.5 times higher than that at a cutting speed of 1 m/s. The phenomenon that the apparent friction coefficient increases again with the sliding speed can also be seen in the literature (21) . A pressure shear plate impact friction experiment with sliding speeds up to 100 m/s has shown that a molten metal film that is formed at the sliding interface maintains a shearing resistance relatively high (22) .…”

Section: Journal Of Advanced Mechanical Design Systems and Manufactsupporting

confidence: 64%

Influence of the Heat Treatment Condition upon the High-Speed Cutting Mechanism of Aluminum Alloy A2017

Sando

Higashi

Shinozuka

2012

JAMDSM

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This paper discusses the influence of heat treatment condition of aluminum alloy upon cutting mechanism. The orthogonal cutting experiments of A2017-T3 and A2017-O with a cutting speed of from 0.5 m/s to 160 m/s are conducted. The experiments obtain the following results: A2017-T3 forms discontinuous and serrated chip, while A2017-O forms continuous flow-type chip, regardless of cutting speed. The tendencies of the changes in shear angle, cutting forces, friction angle and the shear stress on the shear plane with the cutting speed are the same between A2017-T3 and A2017-O, when the cutting speed is less than 80 m/s. The significant dissimilarities in the cutting mechanism, however, between A2017-T3 and A2017-O come to appear gradually, when the cutting speed exceeds 80 m/s. For A2017-T3, the shear stress on the shear plane is steady, and the friction angle at the tool-chip interface increases slightly in such a high-speed cutting condition. In contrast, for A2017-O, the shear stress on the shear plane rises gradually, while the friction angle keeps decreasing with the cutting speed. An analysis based on the simple shear model shows that the shear strain rate at the shear zone reaches up to 10 7 1/s when the cutting speed is beyond 80 m/s. The appearance of these dissimilarities in the cutting mechanism due to the difference in the heat treatment conditions will depend on the characteristics of dynamic plastic behavior and dynamic friction property of aluminum alloy appearing at high-strain-rate fields.

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Section: Journal Of Advanced Mechanical Design Systems and Manufactsupporting

confidence: 64%

Influence of the Heat Treatment Condition upon the High-Speed Cutting Mechanism of Aluminum Alloy A2017

Sando

Higashi

Shinozuka

2012

JAMDSM

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“…They can be divided into three groups: (1) the plate impact pressure-shear experiment technique is utilized to study the time-resolved dynamic friction coefficient [12][13][14][15][16][17]; (2) the split Hopkinson torsional bar is modified to investigate the interfacial friction properties [18][19][20][21]; and (3) the material test machine, drop tower and other devices are modified to test the dynamic friction [22,23].…”

Section: Introductionmentioning

confidence: 99%

“…Philippon et al [23] designed an experimental device to study dry friction of metal pairs. The dynamic friction of high sliding velocities (from 13 to 60 m/s) can be obtained when the device is combined with an air gun setup; the dynamic friction of low sliding velocities (from 0 to 3 m/s) can also be obtained by merging with a hydraulic machine.…”

Section: Introductionmentioning

confidence: 99%

Time-Resolved Dynamic Friction Testing of a Polyurethane Foam Against a Polymer/Clay Nano-composite Under Impact Loading

et al. 2014

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A new method based on the split Hopkinson pressure bar was developed to test the dynamic friction under impact loading. Time-resolved dynamic friction coefficient of a polyurethane foam against a polymer/clay nano-composite (PCN) was tested with the use of the new setup. In the experiments, the friction pair can be loaded by normal pressure and friction force simultaneously, and the time-resolved dynamic friction coefficient can be obtained without any assumptions and theoretical derivations. In addition, the interfacial slipping velocity was measured by a specially designed optical device. Two groups of dynamic friction experiments of polymer/PCN pairs were implemented, in which the effect of surface conditions and loading conditions was evaluated. The results show that the effect of surface roughness is obvious, while that of loading is unobvious.

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“…Several techniques have been developed to measure friction coefficients under these conditions: explosively driven friction test [5], plate impact [6], torsional Kolsky bar set-up [6][7][8][9], dynamometer ring with a rectangular specimen launched by a gas gun or a hydraulic machine [10] and pin-on-disk apparatus [3].…”

Section: Introductionmentioning

confidence: 99%

A friction test between steel and a brittle material at high contact pressures and high sliding velocities

Durand

Bailly

Delvare

et al. 2012

EPJ Web of Conferences

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Abstract. Our aim is to characterize the interface behaviour between an aggregate material and steel. This work focuses on contact pressures and sliding velocities reaching 100 MPa and 10 m/s. The set-up consists in a cylindrical sample of the aggregate material which slips into a steel tube. The tube is both a confinement vessel and a sliding surface. Thanks to confinement, the material can be tested under high stresses without failure. The interface pressure is generated by an axial compression. The sample is pressed on a spring, so it can be simultaneously compressed and rubbed on the tube. The set-up has been tested in the case of a quasi-static loading and the 100 MPa pressure has been reached. Then the set-up was mounted on a Split Hopkinson Pressure Bar device in order to reach higher velocities. Numerical simulations have been realized to check the feasibility and the relevance of this dynamic test. These results are analysed and compared to the experimental ones.

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An experimental study of friction at high sliding velocities

Cited by 66 publications

References 18 publications

Influence of the Heat Treatment Condition upon the High-Speed Cutting Mechanism of Aluminum Alloy A2017

Influence of the Heat Treatment Condition upon the High-Speed Cutting Mechanism of Aluminum Alloy A2017

Time-Resolved Dynamic Friction Testing of a Polyurethane Foam Against a Polymer/Clay Nano-composite Under Impact Loading

A friction test between steel and a brittle material at high contact pressures and high sliding velocities

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