Journal ArticleDOI
The temperature of rubbing surfaces
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In this article, a simple formulation of flash temperature theory is given, which reduces the mathematical complexities and instead emphasises the relevant physical considerations, and the use of the theory is illustrated by some new experimental results on the breakdown of Perspex and the wear of steels.About:
This article is published in Wear.The article was published on 1959-10-01. It has received 961 citations till now. The article focuses on the topics: Rubbing.read more
Citations
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The Contact of Two Nominally Flat Rough Surfaces
J. A. Greenwood,J. H. Tripp +1 more
TL;DR: In this article, the authors give a general theory of contact between two rough plane surfaces and show that the important results of the previous models are unaffected: in particular, the load and the area of contact remain almost proportional, independently of the detailed mechanical and geometrical properties of the asperities.
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Heating and weakening of faults during earthquake slip
TL;DR: In this article, the authors suggest that the most relevant weakening processes in large crustal events are thermal, and to involve thermal pressurization of pore fluid within and adjacent to the deforming fault core, which reduces the effective normal stress and hence also the shear strength for a given friction coefficient.
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Overview no. 55 Wear-Mechanism maps
S.C. Lim,Michael F. Ashby +1 more
TL;DR: The potential of wear-Mechanism diagrams is explored in this paper, where the rate and the regime of dominance of dry wear mechanisms are investigated empirically and by modelling by theoretical analysis calibrated to experiment.
Journal ArticleDOI
Constriction resistance and the real area of contact
TL;DR: In this paper, a method of finding the resistance of a cluster of micro-contacts is derived, and it is shown that the resistance may be regarded as the sum of the parallel resistance of the microcontacts and an interaction term often related to the extent of the cluster and not to the number or size of individual contacts.
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Friction falls towards zero in quartz rock as slip velocity approaches seismic rates
TL;DR: Data on quartz rocks are reported that indicate an extraordinary progressive decrease in frictional resistance with increasing slip velocity above 1 mm s-1, and appears to be due to the formation of a thin layer of silica gel on the fault surface, which may explain the low strength of major faults during earthquakes.
References
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Book
The friction and lubrication of solids
Frank Philip Bowden,David Tabor +1 more
TL;DR: Tabor and Bowden as mentioned in this paper reviewed the many advances made in this field during the past 36 years and outlined the achievements of Frank Philip Bowden, and reviewed the behavior of non-metals, especially elastomers; elastohydrodynamic lubrication; and the wear of sliding surfaces.
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The Lubrication of Rollers
TL;DR: In this paper, it was shown that the film thickness is determined by the conditions, on the entry side of the conjunction, ahead of the region in which the viscous losses and heating of the oil become intense.
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Frictional Heating and Its Influence on the Wear of Steel
TL;DR: In this article, the authors simulate the hot spots during wear by the thermal action of electric sparks, showing that the hardness change is intensified by nitrogen or carbon absorbed from the atmosphere or lubricant.
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Calculation of the Temperature Development in a Contact Heated in the Contact Surface, and Application to the Problem of the Temperature Rise in a Sliding Contact
TL;DR: In this paper, a semi-infinite body is assumed to be heated at a constant rate from the time t = 0 on, and the development of the temperature in this area and in its surroundings is calculated with certain simplifications.