Results 261 to 270 of about 31,925 (313)
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On Prediction of Wear Coefficients in Sliding Wear
A S L E Transactions, 1983The wear rates and wear coefficients of metals are analytically predicted based on the delamination theory of wear when the wear rates are controlled by the subsurface crack propagation rate. The wear rate and the wear coefficient are predicted to be directly proportional to the depth of crack location and the crack growth rate. The numerical values of
N. P. Suh, H.-C. Sin
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Tribology International, 1983
Abstract As a preliminary to studies on cam and follower systems, a rotating cylinder on reciprocating flat wear rig has been developed. This has turned out to possess a number of useful characteristics not available in more conventional rigs. The rig has been particularly useful in that it has produced wear areas large enough for detailed comparison
B. Jones, R.C. Watkins
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Abstract As a preliminary to studies on cam and follower systems, a rotating cylinder on reciprocating flat wear rig has been developed. This has turned out to possess a number of useful characteristics not available in more conventional rigs. The rig has been particularly useful in that it has produced wear areas large enough for detailed comparison
B. Jones, R.C. Watkins
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Wear, 1983
Abstract It is well known that transfer of material from one component of a sliding pair to the other occurs in many tribological systems. In the present paper the authors describe their observations on transfer material and on debris particles. Detailed structural and chemical information has been obtained by using optical microscopy, scanning ...
P. Heilmann +4 more
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Abstract It is well known that transfer of material from one component of a sliding pair to the other occurs in many tribological systems. In the present paper the authors describe their observations on transfer material and on debris particles. Detailed structural and chemical information has been obtained by using optical microscopy, scanning ...
P. Heilmann +4 more
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Journal of Tribology, 1997
Titanium pins were slid against flat surfaces of alumina disks under dry condition and a normal load of 50N at sliding speeds varying from 0.1 to 4 ms−1. Estimated strain rate and temperature distribution in the subsurface when superposed on a microstructure evolution map in temperature-strain rate space give the microstructural response of the ...
Kailas, SV, Biswas, SK
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Titanium pins were slid against flat surfaces of alumina disks under dry condition and a normal load of 50N at sliding speeds varying from 0.1 to 4 ms−1. Estimated strain rate and temperature distribution in the subsurface when superposed on a microstructure evolution map in temperature-strain rate space give the microstructural response of the ...
Kailas, SV, Biswas, SK
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Dry sliding wear of Cu–Be alloys
Wear, 2005Abstract The tribological behaviour of two Cu–Be alloys was investigated under dry sliding conditions against an AISI M2 steel counterface. The first alloy, Cu–Be1, was characterized by a hardness of 390 HV and a thermal conductivity of 106 W/mK, whereas the second one, Cu–Be2, had a lower hardness, 270 HV, and a higher thermal conductivity, 208 W/mK.
Straffelini, Giovanni +3 more
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Corrosion of amalgams under sliding wear
Dental Materials, 1996During mastication, dental amalgams are simultaneously subjected to corrosion by the oral environment and to a sliding-wear process by biting forces. In the present study, the effect of sliding wear on the corrosion behavior of two high-copper dental amalgams was investigated.An experimental apparatus was utilized that allows electrochemical testing ...
K, Lian, E I, Meletis
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Determination of Archard’s wear coefficient and wear simulation of sliding bearings
Industrial Lubrication and Tribology, 2019Purpose This paper aims to present the methodology to determine Archard’s wear coefficient. By applying this coefficient into the numerical simulation of wear, it is possible to predict wear without long lasting and usually expensive experiments. Design/methodology/approach To determine necessary particles of Archard’s equation and calculate wear ...
Stanković, Miloš +5 more
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Contact Drop and Wear or Sliding Contacts
Transactions of the American Institute of Electrical Engineers, 1937The results of a series of experiments, in which the processes of contact voltage drop and ring wear in sliding contact are demonstrated by means of a direct method, are presented in this paper. The results show that the wear of metalgraphite brushes and the rings upon which they operate can be reduced if they be operated in an oxygen-free gas instead ...
R. M. Baker, G. W. Hewitt
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Ceramics International, 1996
The micromechanical and microchemical processes which take place during the friction of ceramics are not fully understood. The occurrence of surface plasticity and microfracture on a sub-grain size scale have been suggested but no clear experimental evidence has been provided.
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The micromechanical and microchemical processes which take place during the friction of ceramics are not fully understood. The occurrence of surface plasticity and microfracture on a sub-grain size scale have been suggested but no clear experimental evidence has been provided.
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Wear, 2001
The theory of elastic compliance as developed by Mindlin is used to discuss the sliding of one flat surface on another under dry, purely elastic conditions. A process is described by which a load may be supported across the interface, even during very easy, smooth relative motion and very low friction, provided the elastic materials are compressible.
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The theory of elastic compliance as developed by Mindlin is used to discuss the sliding of one flat surface on another under dry, purely elastic conditions. A process is described by which a load may be supported across the interface, even during very easy, smooth relative motion and very low friction, provided the elastic materials are compressible.
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